Kit (ConvertKit) vs Brevo (Sendinblue) (2026)
Kit (ConvertKit) beats Brevo (Sendinblue) for newsletters in 2026. Kit (ConvertKit) scores 8.5/10 to Brevo (Sendinblue)'s 8.2/10. Kit (ConvertKit) also has a free plan.
Kit (ConvertKit) is the stronger choice for newsletters — it scores 8.5/10 vs 8.2/10 and wins on free plan supports up to 10,000 subscribers — unusually generous. Brevo (Sendinblue) is worth considering if most generous free tier — unlimited contacts, 300 emails/day is your top priority.
- +Free plan supports up to 10,000 subscribers — unusually generous
- +Commerce features deeply integrated
- +Creator Network is a genuine list-growth channel
- −Transaction fees (3.5% + 30¢) apply even on paid plans
- −Email template design options are minimal
- −Automation builder becomes unwieldy at scale
Kit (ConvertKit) vs Brevo (Sendinblue) (2026): Which Email Marketing Tool Is Actually Better?
Budget is often the deciding factor when choosing between Kit (ConvertKit) and Brevo (Sendinblue). Kit (ConvertKit) starts at $0 (up to 10,000 subscribers) while Brevo (Sendinblue) comes in at $0 (unlimited contacts, 300 emails/day) — but the real question isn’t just cost, it’s what you get for your money. We spent weeks using both email marketing and newsletter platforms tools to build this no-fluff comparison.
Bottom line up front: Kit (ConvertKit) is our pick for newsletters — read on for why, and where Brevo (Sendinblue) wins instead.
Quick Verdict
| Kit (ConvertKit) | Brevo (Sendinblue) | |
|---|---|---|
| Our Rating | 8.5/10 | 8.2/10 |
| Free Plan | ✅ Yes | ✅ Yes |
| Starting Price | $0 (up to 10,000 subscribers) | $0 (unlimited contacts, 300 emails/day) |
| Best For | Creator-economy entrepreneurs who sell digital products… | Growing businesses that want email +… |
| Our Pick | ⭐ Winner |
About Kit (ConvertKit)
Kit (ConvertKit) is a email marketing and newsletter platforms tool known for its capabilities. It’s designed for Creator-economy entrepreneurs who sell digital products and want email + commerce in one platform and has built a strong reputation for free plan supports up to 10,000 subscribers — unusually generous.
Key features:
What makes it stand out: Free plan supports up to 10,000 subscribers — unusually generous. Commerce features deeply integrated
Where it falls short: Transaction fees (3.5% + 30¢) apply even on paid plans. Email template design options are minimal
About Brevo (Sendinblue)
Brevo (Sendinblue) takes a different approach to email marketing and newsletter platforms. It’s built around its core strengths and is particularly well-suited for Growing businesses that want email + SMS + CRM in one affordable platform.
Key features:
What makes it stand out: Most generous free tier — unlimited contacts, 300 emails/day. All-in-one platform includes CRM, chat, and SMS at low cost
Where it falls short: Brevo logo on emails in free tier. Advanced automations require Standard plan or higher
Feature-by-Feature Comparison
| Feature | Kit (ConvertKit) | Brevo (Sendinblue) |
|---|
The feature gap between these tools reflects their different design philosophies. Kit (ConvertKit) prioritizes breadth, while Brevo (Sendinblue) goes deeper on specific use cases.
For a full look at Kit (ConvertKit)‘s capabilities, see our Kit (ConvertKit) review. For Brevo (Sendinblue), read the Brevo (Sendinblue) review.
Pricing Comparison
| Plan | Kit (ConvertKit) | Brevo (Sendinblue) |
|---|---|---|
| Free | Free tier available | Free tier available |
| Starter | ❌ Not available | $9/mo ($9 annually) |
| Pro | $66/mo ($50 annually) | ❌ Not available |
| Enterprise | ❌ Not available | Custom/mo (Custom annually) |
Important pricing notes:
- All prices verified as of 2026-03-28. Check official pages before purchasing.
- Kit (ConvertKit) has a free plan — see full Kit (ConvertKit) pricing breakdown for limits.
- Brevo (Sendinblue) has a free plan — see Brevo (Sendinblue) pricing details.
Pros and Cons
Kit (ConvertKit) Pros and Cons
Pros:
- ✅ Free plan supports up to 10,000 subscribers — unusually generous
- ✅ Commerce features deeply integrated
- ✅ Creator Network is a genuine list-growth channel
Cons:
- ❌ Transaction fees (3.5% + 30¢) apply even on paid plans
- ❌ Email template design options are minimal
- ❌ Automation builder becomes unwieldy at scale
Brevo (Sendinblue) Pros and Cons
Pros:
- ✅ Most generous free tier — unlimited contacts, 300 emails/day
- ✅ All-in-one platform includes CRM, chat, and SMS at low cost
- ✅ Strong transactional email capabilities for developers
Cons:
- ❌ Brevo logo on emails in free tier
- ❌ Advanced automations require Standard plan or higher
- ❌ SMS pricing is add-on per message, not included
Which One Should You Choose?
The right answer depends on what you’re actually trying to accomplish:
Best for newsletters: Kit (ConvertKit) — Free plan supports up to 10,000 subscribers — unusually generous
Best for ecommerce: Brevo (Sendinblue) — Most generous free tier — unlimited contacts, 300 emails/day
Best for creators: Kit (ConvertKit) — Commerce features deeply integrated
If you’re still on the fence: Kit (ConvertKit) is the safer default. It scores 8.5/10 in our testing versus Brevo (Sendinblue)‘s 8.2/10, and free plan supports up to 10,000 subscribers — unusually generous.
Frequently Asked Questions
Is Kit (ConvertKit) better than Brevo (Sendinblue)? Kit (ConvertKit) scores higher in our testing (8.5/10 vs 8.2/10). Kit (ConvertKit) is the better choice for newsletters due to free plan supports up to 10,000 subscribers — unusually generous. However, Brevo (Sendinblue) is a stronger fit if most generous free tier — unlimited contacts, 300 emails/day.
What’s cheaper, Kit (ConvertKit) or Brevo (Sendinblue)? Kit (ConvertKit) starts at $0 (up to 10,000 subscribers), while Brevo (Sendinblue) starts at $0 (unlimited contacts, 300 emails/day). Kit (ConvertKit) has a free plan. Brevo (Sendinblue) also has a free tier. See the pricing comparison table above for the full plan breakdown.
Does Kit (ConvertKit) have a free plan? Yes. Kit (ConvertKit) offers a free tier — Free tier available. This makes it easy to test before committing to a paid plan.
Does Brevo (Sendinblue) have a free plan? Yes. Brevo (Sendinblue) offers a free tier — Free tier available.
Related Comparisons & Guides
- Kit (ConvertKit) Full Review
- Kit (ConvertKit) Pricing 2026
- Kit (ConvertKit) Alternatives
- Kit (ConvertKit) vs beehiiv
- Kit (ConvertKit) vs Mailchimp
- Kit (ConvertKit) vs ActiveCampaign
- Brevo (Sendinblue) Full Review
- Brevo (Sendinblue) Pricing
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AI Stack Picks writes and verifies long-form AI tool reviews for AI Stack Picks.