15+ Best Email Marketing Tools for Startups in 2026
Sixteen tools compared on their published prices, free plans and limits: MailerLite or Brevo for a tight budget, Beehiiv or Kit for a newsletter, Loops for a SaaS that wants plain pricing by subscribers, ActiveCampaign for heavy automation, and one card written for SaaS products that bill online.
In short: my picks by startup type
- SaaS billed online: Loops if you want pricing by subscribers; Brevo if system email matters as much as your list; for sequences started by billing events, read card number 1
- Tight budget: MailerLite for a list under a few thousand contacts; Brevo when your send volume, not your list, sets the budget
- Newsletter: Beehiiv for growth, Buttondown for a minimal Markdown workflow, Substack to publish with nothing to pay up front
- Creators and courses: Kit (formerly ConvertKit), free to 10,000 subscribers, but with no automations on the free plan
- Heavy automation: ActiveCampaign, powerful but paid from the first day
- Online store: Drip, built around Shopify and WooCommerce data
How the order works: it is fixed, and tools higher up are a good first choice for more kinds of startup than those lower down. Card number 1 applies only to SaaS products billed online. If that is not you, read the list from card 2. Prices come from the vendors' own pricing pages, linked in each card, in US dollars as displayed (tax may be added).
Quick Comparison
| Tool | Best for | Starting price | Free plan | Automation limits |
|---|---|---|---|---|
| Sequenzy | SaaS billed online | $19/mo (15,000 emails) | Yes: 2,500 emails/month | Billing events, visual builder |
| MailerLite | Tight budgets, general use | $12/mo (500 subscribers) | Yes: 250 subscribers, 2,500 emails | Included; no native transactional email |
| Brevo | Marketing plus system email | $9/mo (5,000 emails) | Yes: 300 emails/day | A/B tests from Standard ($18) |
| Loops | SaaS, spare interface | $48/mo at 4,788 subscribers | Yes: 4,000 sends per 30 days | All features on every plan |
| Kit | Creators, courses | $33/mo at 1,000 subscribers (billed yearly) | Yes: up to 10,000 subscribers | Sequences from the Creator plan |
| ActiveCampaign | Advanced automation | $15/mo at 1,000 contacts (billed yearly) | No (trial only) | 5 actions per automation on Starter |
| Mailchimp | Familiar tool, many integrations | $20/mo (Standard, 500 contacts) | Yes: 250 contacts, 500 sends/month | Depends on plan |
| Beehiiv | Newsletter growth | $49/mo (Lite, billed yearly) | Yes: 2,500 subscribers | Automations from Lite |
| Buttondown | Minimal newsletters | Free to 100 subscribers; add-ons $9, $29, $79 | Yes: 100 subscribers | Automations add-on at $29/mo |
| Substack | Paid newsletters | $0, then 10% of paid subscriptions | Yes | None announced |
| Drip | E-commerce | $39/mo (up to 2,500 people) | No (14-day trial) | Up to 50 workflows |
| HubSpot | CRM plus marketing | $7/mo per seat (Starter) | Yes: free tools | Up to 10 actions on Starter |
| SendGrid | Transactional volume | $19.95/mo (Email API) or $15/mo (Marketing Campaigns) | Yes: 2,000 contacts, 6,000 emails/month | On the Marketing Campaigns side |
| GetResponse | Webinars plus email | $19/mo at 1,000 contacts | No (trial) | One workflow on Starter |
| Moosend | Cheap automation | $7/mo at 500 contacts (billed yearly) | No (30-day trial) | Included |
| AWeber | Small teams | $15/mo (500 subscribers) | No (14-day trial) | 3 automations on Lite |
What a 5,000 or 10,000 contact list costs
The starting price on a pricing page says little about the bill, because most tools on this page charge by contacts and the price doubles several times between 1,000 and 10,000 subscribers. These are the figures the vendors' own sliders and plan tables showed on 7 October 2026 for entry-level plans.
| Plan | 5,000 contacts | 10,000 contacts | Worth knowing |
|---|---|---|---|
| MailerLite Comfort | $49/mo | $89/mo | Monthly billing; annual is cheaper |
| Kit Creator | $75/mo | $116/mo | Monthly rate shown with yearly billing |
| Mailchimp Standard | $100/mo | $135/mo | Bands of 2,501 to 5,000 and 5,001 to 10,000 contacts; the page also shows 50% off for 12 months |
| ActiveCampaign Starter | $79/mo | $149/mo | Billed annually |
| Drip | $89/mo | $154/mo | Based on active people in the account |
| Loops | $48/mo (at 4,788) | $99/mo (at 9,998) | Unlimited sends to subscribers on the paid plan |
| Beehiiv Lite | $95/mo yearly, $109/mo monthly | $119/mo yearly, $139/mo monthly | Pro is $169 and $199 yearly at the same sizes |
Three things stand out. The spread is wide: at 5,000 contacts, MailerLite Comfort and Mailchimp Standard are $51 a month apart, which is $612 over a year. Billing method matters, since a rate quoted per month under annual billing and a monthly-billed rate are different prices, so read the last column before concluding. And some tools do not follow this model. Loops charges by subscribers but caps nothing on sends: $48 a month at 4,788 subscribers and $99 at 9,998, however many messages you send. Brevo thinks in emails sent: its pricing page shows Starter at $9 a month with no daily limit and Standard at $18, both starting at 5,000 emails a month, while its free plan stops at 300 emails a day. A 5,000-person list written to weekly means about 20,000 emails a month (4 sends × 5,000); the same list written to twice a month means 10,000. I did not read Brevo's tiers above 5,000 emails, so check its slider before you do the arithmetic. If you email rarely to a big list, a send-based price helps you; if you email often to a small one, a subscriber-based grid is easier to predict.
The Full Breakdown
Sequenzy sends transactional email (receipts, password resets) and marketing email from one product; its transactional email page describes one API, one dashboard and one bill. Its home page explains the idea: connect Stripe or PostHog, or post your own events, and each event starts a flow for a segment built from plan, monthly recurring revenue (MRR) and engagement.
Pricing follows email volume, with unlimited contacts and sending domains on every plan. The pricing page shows $0 for 2,500 emails a month, $19 for 15,000, $29 for 30,000, $49 for 60,000 and $99 for 120,000. Revenue attribution, the visual automation builder, AI-generated sequences and API, MCP and CLI access are listed as included.
On failed payments, Sequenzy says an invoice.payment_failed event from Stripe starts a dunning sequence with a card-update page. That covers the emails; retrying the charge stays with your billing system. The pricing page also lists Paddle, Lemon Squeezy, Polar, Creem and Dodo Payments among the included integrations.
Who should skip it: anyone running a newsletter, a store or a product with no online billing, because the tool is aimed at SaaS lifecycle email. Pricing by emails sent favors rare sends and penalizes frequent ones. Sequenzy is also younger than Mailchimp or ActiveCampaign, so there are fewer tutorials and public write-ups. Send test messages from the free plan and check where they land before moving a list.
Best for: a SaaS that charges through Stripe or a similar provider and wants email tied to billing. For the Stripe side, see our guide to Stripe email integration.
On MailerLite's pricing page the free plan covers 250 subscribers and 2,500 emails a month, with two user seats. Comfort starts at $12 a month for 500 subscribers ($10.80 on annual billing) and Power at $25 ($22.50 annually). Price follows subscriber count: on monthly billing Comfort is $19 for 1,000 subscribers, $49 for 5,000 and $89 for 10,000.
Comfort allows ten times your subscriber tier in sends each month, and Power removes the cap. Automations, landing pages, a website builder and digital product sales are part of the offer. One detail matters for European audiences: MailerLite states that its data storage center is in the European Union and carries an ISO 27001 certificate.
Limits: MailerLite does not send transactional email itself, and the pricing page points to MailerSend for that. It lists Stripe among its integrations, but before you build a failed-payment sequence on it, confirm that the events you need (payment failed, cancellation) actually arrive.
Best for: a self-funded startup that sends newsletters and a few welcome sequences to a list that is still small. See also our Mailchimp vs MailerLite comparison and the page on tools for bootstrapped founders.
According to Brevo's help article on its plans, the free plan gives 300 emails a day and storage for up to 100,000 contacts. Starter begins at $9 a month (5,000 emails, no daily limit), Standard at $18 (automation, A/B testing, advanced reports) and Professional at $499. The email volume you choose sets the tier rather than the number of contacts, and annual billing takes 10% off.
The free plan is good for starting out, with one constraint: 300 emails a day is at most 9,000 on a 30-day month, and marketing automation is limited to 2,000 contacts there. Beyond that, Brevo puts marketing email, transactional email, SMS, WhatsApp campaigns, push notifications and sales tools under one roof, which spares you from stacking two or three services in the first months.
Limits: the $9 entry tier covers only 5,000 emails a month, which is a list of 1,250 people written to weekly. Past that, use the slider on the pricing page for your real volume. A/B tests and advanced reports need Standard.
Best for: startups that want one vendor for newsletters and system messages, or whose list is large but written to rarely. Our MailerLite vs Brevo comparison works through that choice.
Loops' free plan allows unlimited contacts but only 4,000 sends in any rolling 30 days, to your 1,000 newest contacts. It adds a small "Powered by Loops" footer and caps sending at 10 emails a second. The paid Growing Audience plan follows subscribers: the pricing page read $48 a month at 4,788 subscribers, $99 at 9,998, $198 at 24,339 and $249 at 49,989.
The paid plan includes unlimited sends to your subscribers, transactional sends at no extra charge and every feature of the product. Loops also says it does not charge per team seat, which matters when the team grows faster than the list.
Limits: a subscriber-based grid bills you for list size even if you write rarely; in that case compare a send-based plan such as Brevo's. The free plan only covers your 1,000 newest contacts and 4,000 sends, after which you move to the paid plan, at $48 around 4,788 subscribers.
Best for: a SaaS that wants product messages and newsletters from one plain tool without negotiating a plan. The Customer.io vs Loops comparison shows the other end of the market.
Kit's free plan runs to 10,000 subscribers, with unlimited landing pages, forms and broadcasts, tags and segmentation, according to its pricing page. The catch is on the next line: Visual Automations and email sequences begin on the Creator plan.
Creator costs $33 a month for 1,000 subscribers, billed as $390 a year, which the page says saves $78 against monthly billing. It rises with the list: $75 at 5,000 subscribers, $116 at 10,000 and $166 at 25,000, at the monthly rate shown with yearly billing. Pro starts at $66 for 1,000 subscribers, with a first-year promotion listed at $50. Kit offers a 14-day trial with no card and free migrations.
Limits: the pricing page lists no billing-provider integrations, so a SaaS that wants payment events to trigger emails should test what Kit can do with them. Kit's data processing page was behind a CAPTCHA when I checked, so I could not read it; confirm it yourself if you serve European customers.
Best for: startups whose audience is the product: a course, a paid newsletter, educational content. If the newsletter itself is your priority, see also email tools for newsletters.
ActiveCampaign's pricing page lists no free plan, only a trial. For 1,000 contacts, Starter starts at $15 a month, Plus at $49, Pro at $79 and Enterprise at $145, all billed annually. Starter allows one user and 5 actions per automation, which limits any scenario that branches much.
The contact selector shows how Starter climbs: $39 at 2,500 contacts, $79 at 5,000 and $149 at 10,000. At 5,000 contacts that is $948 a year (12 × $79), while MailerLite Comfort on monthly billing is $588 (12 × $49). The $360 difference only pays off if you really use conditional automations, predictive content or the CRM.
Limits: paying from day one, with no free plan to learn the tool, is a real hurdle for a two-person team. ActiveCampaign's materials describe integrations with Shopify, WooCommerce, Salesforce and Zapier; for modern SaaS billing, expect to go through Zapier or webhooks and test the flow before committing.
Best for: a startup with someone dedicated to marketing, qualified leads to track and sequences that depend on several conditions. For simpler needs MailerLite or Brevo are enough. See also marketing automation tools.
On Mailchimp's pricing page, the free plan covers one audience of up to 250 contacts and 500 sends a month, at most 250 a day. A list of 250 people written to twice a month already uses the whole allowance. Above it, Essentials starts at $13 a month, Standard at $20 and Premium at $350 for 500 contacts.
The bill rises quickly with the list: on the detailed page, Standard starts at $100 a month for 2,501 to 5,000 contacts (shown as $50 for 12 months with a promotion), $135 for 5,001 to 10,000 and $230 for 10,001 to 15,000. Standard allows 12 times your contacts in sends and five seats; Essentials has three seats.
Limits: the price model punishes lists that grow quickly, and some features depend on the plan: custom-coded templates can be created on Essentials but only sent from Standard or Premium. In return the integration list is very wide, naming Shopify, WooCommerce, Canva, Zapier, Square, Wix, Salesforce and WordPress, and Mailchimp publishes a data processing addendum.
Best for: a team that already knows the tool or has an agency that uses it. For a priced comparison with a cheaper option, read Mailchimp vs MailerLite.
Beehiiv's pricing page offers a free plan up to 2,500 subscribers with unlimited sends, one publication and one seat. Lite costs $49 a month on yearly billing and adds paid subscriptions, automations and audience polls; Pro costs $95 a month with advanced analytics, priority support and ten seats.
The price depends on list size. At 5,000 subscribers, Lite reads $95 a month on yearly billing and $109 monthly; at 10,000 it is $119 and $139. Pro is $169 and $199 yearly at those sizes. On paid subscriptions Beehiiv says it takes 0%, leaving only Stripe's usual 2.9% + $0.30 per transaction.
Limits: the features are aimed at publishing newsletters, not at the lifecycle of a SaaS product, and the $49 and $95 headline prices are the yearly-billing figures for the smallest tier.
Best for: a media startup or a newsletter that plans to monetize through subscriptions or ads. Beehiiv vs Substack covers that choice in depth.
Buttondown's pricing page says it will cost you nothing for your first 100 subscribers. That base includes a rich-text or Markdown editor, sending from a custom domain and hosted archives. Everything else is sold as an add-on: +$9 a month for tagging and segmentation or paid subscriptions, +$29 for automations or multiple newsletters, +$79 for teams or whitelabeling.
Pricing above 100 subscribers depends on a slider on that page, so check it for your list size before comparing against other tools. Buttondown also says it charges for active subscribers only.
Limits: automation is a paid $29 add-on, and the product stays centered on publishing newsletters. The free plan stops at 100 subscribers.
Best for: technical founders who want to publish with little friction. To weigh it against Substack, read Buttondown vs Substack.
Substack charges nothing to publish. If you switch on paid subscriptions, it keeps 10% of the revenue, as its paid subscriptions page states, and Stripe adds its own processing fees: 2.9% + $0.30 per US card payment and 0.7% for recurring billing, according to Substack's help article on costs.
With 200 paying readers at $8 a month, monthly revenue is $1,600 and Substack's share is $160 before payment fees. A flat-fee tool costs the same whether you earn little or a lot; here the commission rises with your revenue.
Limits: emails still go out from a substack.com address even with a custom domain (a one-time $50 fee for the domain), and the subscriber export has no names, per Substack's own help pages. Those are two obstacles to leaving later.
Best for: trying a newsletter without commitment. When you outgrow it, see Beehiiv vs Substack.
Drip's pricing page bills on the number of active people in your account and the volume of emails you send, with a 14-day trial without a card and no free plan. The entry price is $39 a month up to 2,500 people; the slider then reads $49 at 3,000, $89 at 5,000, $154 at 10,000, $369 at 25,000 and $699 at 50,000.
Drip combines dynamic segments, behavior-triggered workflows (up to 50 on the plans read), onsite campaigns and e-commerce revenue attribution. Its pricing and feature pages name integrations with Shopify, WooCommerce, BigCommerce, Stripe and Zapier.
Limits: the product loses its point if you do not sell goods, and there is no free plan to learn on. At 2,500 contacts ActiveCampaign Starter shows the same $39, so the deciding factor becomes integration with your store rather than price.
Best for: an e-commerce startup that wants abandoned-cart and repurchase flows linked to revenue. See also ActiveCampaign vs Drip.
HubSpot's Marketing Hub page lists free tools, a Starter plan at $7 a month, Professional at $800 a month and Enterprise at $3,600 a month, with pricing per seat. The free CRM is the real entry point: marketing email shares contacts, forms and landing pages with it.
On automation, the feature table caps Starter at 10 automated actions; Professional and Enterprise lift that and add multichannel automation. HubSpot publishes a data processing agreement on its legal site.
Limits: the jump from $7 to $800 between Starter and Professional is the biggest gap in this list. Once your sequences pass ten actions, the bill changes scale. If all you need is to send email, the cards above cost much less.
Best for: a B2B startup that tracks prospects in a CRM and wants email attached without exporting lists.
SendGrid sells two distinct products. The Email API, for transactional sending, comes with a trial of 100 emails a day for 60 days, then Essentials from $19.95 a month for 50,000 emails ($34.95 for 100,000) and Pro from $89.95 for 100,000 emails.
The Marketing Campaigns side has a free plan for 2,000 contacts and 6,000 emails a month, Basic from $15 and Advanced from $60 (up to 200,000 contacts). Twilio publishes a data protection addendum for customers.
Limits: the free Marketing Campaigns plan is fine for a first bulk send but does not replace a lifecycle tool. The Email API is integrated through code and does not come with a scenario editor for marketing.
Best for: a startup that sends many transactional messages. Our guide to transactional vs marketing email helps you pick the right family of tools.
GetResponse's pricing page shows no permanent free plan, only a trial. For 1,000 contacts Starter is $19 a month ($15.58 billed annually), Marketer $59 ($48.38) and Creator $69 ($56.58).
Starter gives unlimited sends, a welcome series, one automation workflow, landing pages and signup forms. Unlimited workflows, advanced segmentation, abandoned-cart recovery and sales funnels need Marketer. Webinars, the website builder and the course creator (up to 500 students) sit in Creator.
Best for: startups whose main channel is the webinar. If you do not run webinars, a simpler tool will cost less. See also GetResponse vs Mailchimp.
Moosend's pricing page showed $7 a month for 500 contacts on the Pro plan billed yearly, with unlimited emails at that tier. It also sells email-credit packs: 350,000 credits for $350 or 500,000 for $500. There is no permanent free plan, but a 30-day trial without a card.
Limits: I only read the entry tier at 500 contacts. Higher tiers depend on the pricing page and should be checked for your list size.
Best for: a startup that wants automation scenarios without ActiveCampaign's price and has a small list. See Moosend vs Mailchimp.
AWeber's pricing page offers a 14-day trial and no free plan. Lite costs $15 a month for 500 subscribers and 5,000 sends ($150 a year), with one list, three landing pages, three automations and three users. Plus is $30 a month ($240 a year) for 500 subscribers and 6,000 sends, with unlimited lists, pages, automations and users and priority support.
Limits: for 500 subscribers Lite costs $15 where MailerLite Comfort asks $12, and the three-automation cap is reached quickly once you have a welcome journey, a trial journey and a win-back flow. On a tighter budget, MailerLite and Brevo both start lower.
Best for: a small team that values an established tool and is willing to pay slightly more for it.
How to Choose
If you are a SaaS that bills through Stripe, Paddle or Lemon Squeezy
Three sensible routes. Loops is the plainest if you like a subscriber-based grid: free to 1,000 recent contacts and 4,000 sends, then $99 a month at 9,998 subscribers, transactional included. Brevo suits you if system email weighs as much as your list: 300 free emails a day, then Starter at $9 for 5,000 emails a month. And if you want failed-payment and onboarding sequences to start from billing events, the first card is written for that. Whichever you try, send a few hundred real messages before moving the whole list, so you can judge inbox placement.
If your budget is very tight
MailerLite covers a small list with 250 free subscribers and 2,500 emails, then Comfort from $12. Brevo gets more attractive when you send little to many people or need transactional mail. For more ideas, see our page on low-budget tools.
If your product is a newsletter
Beehiiv, free to 2,500 subscribers and with no commission on paid subscriptions, suits growth. Buttondown suits you if you prefer writing in Markdown. Substack is for testing an idea, but weigh its 10% cut and export limits before building an audience there.
If you sell courses or content
Kit is free to 10,000 subscribers for forms and broadcasts. As soon as you want automatic sequences, count on $33 a month for the Creator plan at 1,000 subscribers.
If you need advanced automation
ActiveCampaign is the full option, provided you accept paying from day one. HubSpot makes sense if you want the CRM in the same place. For a SaaS that also wants transactional email from the same tool, compare both against Loops, which includes it on its paid plan.
If you sell physical products
Drip ties abandoned-cart sequences to revenue, from $39 a month for up to 2,500 people.
What Are Startup Email Marketing Tools?
Startup email marketing tools help a small team send newsletters, product updates and automated sequences without a dedicated email specialist. What separates them from enterprise suites is mostly price, setup effort and what is included in the free plan, which is why this page compares those first.
These tools typically include:
- Email Campaign Management: Create and send one-time broadcasts, newsletters, and promotional emails
- Marketing Automation: Set up triggered sequences based on user behavior, signups, or events
- Subscriber Management: Organize contacts into lists, segments, and tags for targeted messaging
- Analytics & Reporting: Track open rates, click rates, conversions, and revenue attribution
- Integrations: Connect with your existing tools like Stripe, CRM, and website platforms
The practical differences are free limits (counted in subscribers, contacts or sends per month or per day), pricing unit (contacts, emails sent or seats), and trigger sources, meaning whether the tool can start a sequence from a trial, a payment or a product event.
How Startup Email Marketing Works
Whichever tool you choose, the work follows the same six steps, and the cost table above shows where each one starts to cost money.
1. Build Your Email List
Capture addresses through your website, product signups or a lead magnet. Quality matters more than size here, because you pay for every contact on most of these plans. Use signup forms, a landing page and content upgrades to grow the list from people who asked to be on it.
2. Segment Your Audience
Divide your subscribers into meaningful segments based on behavior, demographics, or interests. For SaaS startups, segment by trial status, plan type, or engagement level. This ensures you send relevant content to the right people at the right time.
3. Create Email Campaigns
Design emails that provide value to your subscribers. This could be educational content, product updates, promotional offers, or transactional messages. Use clean templates, compelling subject lines, and clear calls-to-action.
4. Set Up Automation Sequences
Create automated email sequences that trigger based on specific actions. Common startup sequences include welcome series, trial conversion flows, onboarding drip campaigns, and re-engagement sequences for inactive users.
5. Test and Optimize
Continuously test subject lines, content, send times, and segmentation. A/B test your campaigns to improve open rates and click-through rates. Monitor metrics like conversion rate, unsubscribe rate, and revenue per email to optimize performance.
6. Scale What Works
Once you find winning campaigns and sequences, double down on what's working. Expand successful automation to more segments, increase frequency of high-performing content types, and invest more resources into email as it proves ROI.
Email Marketing Best Practices for Startups
Start with Welcome Sequences
New subscribers are most engaged immediately after signing up. Create a welcome sequence of three to five emails that says who you are, gives one useful thing per message, and points people to the first action in your product. Check your own data after a month: if later emails get no clicks, shorten the series.
Focus on Trial Conversion
For SaaS startups, trial-to-paid conversion is critical. Set up automated sequences that trigger when users start trials, include educational content, highlight key features, and create urgency before trial expiration. Track which emails drive actual conversions.
Segment by Revenue Data
If your tool receives billing events, segment customers by plan, MRR and payment status. That makes it possible to send an upgrade sequence to free-plan users and a check-in to high-value customers whose usage has dropped. Not every tool in the list can do this natively, so confirm what reaches it.
Maintain List Hygiene
Remove inactive subscribers on a schedule, after one re-engagement email. This matters for cost as well as deliverability, because most tools here (MailerLite, Kit, Mailchimp, Loops) price by the size of your list.
Mobile-Optimize Everything
A large share of your readers will open email on a phone, so check your own open data by device. Use responsive templates, short subject lines, and buttons large enough to tap. Send every new template to a phone before it goes to the list.
Deliverability is Critical
All the great content in the world doesn't matter if emails don't reach the inbox. Use proper authentication (SPF, DKIM, DMARC), avoid spam trigger words, maintain consistent sending patterns, and monitor your sender reputation. Consider dedicated IP addresses as you scale.
Respect Subscriber Preferences
Make it easy for subscribers to update their preferences or unsubscribe. Hiding unsubscribe links or making the process difficult damages your brand and can violate regulations like GDPR. Happy subscribers who stay are more valuable than frustrated ones who feel trapped.
Track Revenue Attribution
Move beyond vanity metrics like open rates and clicks. Track which emails drive actual revenue, trials started, and upgrades. Use UTM parameters, tracking pixels, and billing integrations to understand the true ROI of your email marketing efforts.
The bottom line
For a SaaS
If your payments go through Stripe, Paddle or Lemon Squeezy, try Loops (free up to its limits, then $99 a month at 9,998 subscribers) and Brevo (free to 300 emails a day, then $9 a month) before moving a list. The first card covers the approach where billing events start the emails; it only applies to SaaS products.
For a zero budget
MailerLite (250 subscribers, 2,500 emails), Brevo (300 emails a day) and Kit (up to 10,000 subscribers, no automations) cover the first months. Move to a paid plan only when a free limit starts holding back real growth.
Do not overthink it
Pick a reasonable tool, learn what you actually need, and switch later if you must. For the decision steps, read how to choose an email tool.
Explore startup email use cases
Browse the listicle library for onboarding, billing, product events, vertical markets, and growth-stage operations.
Compare platform alternatives
Review focused alternatives for Loops, Userlist, Encharge, Resend, Postmark, and other common startup choices.
Frequently Asked Questions
What is the best email marketing tool for a startup in 2026?
It depends on what you ship. For a SaaS billed online, Loops or Brevo, depending on whether you prefer pricing by subscribers or by emails sent. For a self-funded team, MailerLite or Brevo. For a newsletter, Beehiiv or Buttondown. For courses, Kit.
Which email tools integrate with Stripe?
MailerLite and Drip list Stripe among their integrations. A line saying "Stripe integration" does not tell you which events reach the tool, so list the ones your SaaS needs (trial ending, failed payment, cancellation, refund) and test each on a sandbox account before migrating.
What is the best free email tool for a startup?
Kit is free to 10,000 subscribers but has no automations. MailerLite gives 250 subscribers and 2,500 emails a month, Beehiiv 2,500 subscribers, Brevo 300 emails a day and SendGrid Marketing Campaigns 2,000 contacts and 6,000 emails a month. Substack costs nothing until you enable paid subscriptions, then keeps 10%.
Should a startup choose Mailchimp?
Mailchimp is handy if you already know it and your needs are simple, but its free plan stops at 250 contacts and 500 sends a month, and Standard costs $100 a month from 2,501 contacts. At the same list size MailerLite is cheaper; for a SaaS, Loops is more focused.
Which email tools handle Paddle and Lemon Squeezy?
Sequenzy's pricing page names Paddle and Lemon Squeezy, along with Stripe, Polar, Creem and Dodo Payments, among the integrations included on every plan. For the other tools here, check the vendor's current integration list: Mailchimp, Drip and ActiveCampaign mention Zapier, which can act as a bridge, or you can use webhooks.
How much should a startup spend on email?
At 5,000 contacts the entry plans compared above run from $48 a month (Loops, at 4,788 subscribers) to $100 (Mailchimp), or $576 to $1,200 a year. While you send fewer than 300 emails a day, Brevo's free plan or MailerLite's (250 subscribers, 2,500 emails a month) is enough. Estimate your monthly sends: with Brevo, that figure sets the price.
Where is my data stored?
MailerLite says it stores data in the European Union. Mailchimp, HubSpot, Twilio (SendGrid) and ActiveCampaign publish a data processing agreement, though not all state a hosting region. For the others, ask the vendor before you sign, especially if you handle European customers' data.
Which automated sequences should a startup build first?
Build three, in this order. First a welcome series of three to five emails for every new signup. Second a trial sequence that explains the features people use most and reminds them before the trial ends. Third an onboarding path for new paying customers, so they reach their first result quickly. Check that your plan allows that many automations: AWeber Lite allows three, GetResponse Starter one and ActiveCampaign Starter five actions per automation.
How does a startup build an email list from zero?
Collect addresses where people already show interest: a signup form on your site with a clear promise, an opt-in box at product signup, and a waitlist page before launch. Offer something concrete in return, such as a template or checklist, and record when and how each person agreed. Slow growth from people who asked for your email is worth more than a large list of strangers, and most of the tools above charge by list size.