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Email Marketing

Kit (ConvertKit) vs Brevo (Sendinblue) (2026): Which Email Marketing Tool Is Actually Better?

By AI Stack Picks Team · Updated March 2026 · Independently tested
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4.0

⚡ Quick Verdict

Kit (ConvertKit) beats Brevo (Sendinblue) for newsletters in 2026. Kit (ConvertKit) scores 8/10 to Brevo (Sendinblue)'s 7/10. Kit (ConvertKit) also has a free plan.

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8.0 /10

Excellent

Kit (ConvertKit) — Our Verdict

Kit (ConvertKit) is the stronger choice for newsletters — it scores 8/10 vs 7/10 and wins on very generous free plan up to 10,000 subscribers. Brevo (Sendinblue) is worth considering if excellent value with generous free plan is your top priority.

  • Very generous free plan up to 10,000 subscribers
  • Excellent automation workflows for creators
  • Built-in SparkLoop referral system on Pro
Try Kit (ConvertKit) Free → Affiliate link · We may earn a commission

Pros

  • Very generous free plan up to 10,000 subscribers
  • Excellent automation workflows for creators
  • Built-in SparkLoop referral system on Pro

Cons

  • Limited email template design options
  • Analytics less detailed than competitors
  • Pro plan required for advanced features like referrals

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 Newsletter: Free (up to 10 while Brevo (Sendinblue) comes in at $9/mo — 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 Rating8/107/10
Free Plan✅ Yes✅ Yes
Starting PriceNewsletter: Free (up to 10$9/mo
Best Fornewslettersecommerce
Our Pick⭐ Winner

About Kit (ConvertKit)

Kit (ConvertKit) is a email marketing and newsletter platforms tool known for visual automation builder. It’s designed for newsletters and has built a strong reputation for very generous free plan up to 10,000 subscribers.

Key features:

  • Visual automation builder
  • Landing pages and opt-in forms
  • Subscriber tagging and segmentation
  • Creator Profile mini website
  • Smart Recommendations for list growth

What makes it stand out: Very generous free plan up to 10,000 subscribers. Excellent automation workflows for creators

Where it falls short: Limited email template design options. Analytics less detailed than competitors

Try Kit (ConvertKit) →


About Brevo (Sendinblue)

Brevo (Sendinblue) takes a different approach to email marketing and newsletter platforms. It’s built around email marketing campaigns and automation and is particularly well-suited for ecommerce.

Key features:

  • Email marketing campaigns and automation
  • SMS and WhatsApp marketing
  • CRM and deal pipeline
  • Transactional email API
  • Landing pages and signup forms

What makes it stand out: Excellent value with generous free plan. Multi-channel: email, SMS, WhatsApp in one tool

Where it falls short: Email editor less polished than Mailchimp. Advanced automations require Business plan

Try Brevo (Sendinblue) →


Feature-by-Feature Comparison

FeatureKit (ConvertKit)Brevo (Sendinblue)
Visual automation builder⚠️ Limited
Landing pages and opt-in forms
Subscriber tagging and segmentation⚠️ Limited
Creator Profile mini website⚠️ Limited
Smart Recommendations for list growth⚠️ Limited
Email marketing campaigns and automation⚠️ Limited

The feature gap between these tools reflects their different design philosophies. Kit (ConvertKit) prioritizes visual automation builder, while Brevo (Sendinblue) goes deeper on email marketing campaigns and automation.

For a full look at Kit (ConvertKit)‘s capabilities, see our Kit (ConvertKit) review. For Brevo (Sendinblue), read the Brevo (Sendinblue) review.


Pricing Comparison

PlanKit (ConvertKit)Brevo (Sendinblue)
PaidNewsletter: Free (up to 10Free: 300 emails/day. Starter: from $9/mo. Business: from $18/mo. Enterprise: custom

Important pricing notes:


Pros and Cons

Kit (ConvertKit) Pros and Cons

Pros:

  • ✅ Very generous free plan up to 10,000 subscribers
  • ✅ Excellent automation workflows for creators
  • ✅ Built-in SparkLoop referral system on Pro

Cons:

  • ❌ Limited email template design options
  • ❌ Analytics less detailed than competitors
  • ❌ Pro plan required for advanced features like referrals

Brevo (Sendinblue) Pros and Cons

Pros:

  • ✅ Excellent value with generous free plan
  • ✅ Multi-channel: email, SMS, WhatsApp in one tool
  • ✅ Pricing based on emails sent, not contacts

Cons:

  • ❌ Email editor less polished than Mailchimp
  • ❌ Advanced automations require Business plan
  • ❌ Brevo branding on free emails

Which One Should You Choose?

The right answer depends on what you’re actually trying to accomplish:

Best for newsletters: Kit (ConvertKit) — Very generous free plan up to 10,000 subscribers

Best for ecommerce: Brevo (Sendinblue) — Excellent value with generous free plan

Best for creators: Kit (ConvertKit) — Excellent automation workflows for creators

If you’re still on the fence: Kit (ConvertKit) is the safer default. It scores 8/10 in our testing versus Brevo (Sendinblue)‘s 7/10, and very generous free plan up to 10,000 subscribers.

Try Kit (ConvertKit) Free →

Note: This is a non-affiliate link. We don’t earn commission on Kit (ConvertKit) — our recommendation is based entirely on merit.


Frequently Asked Questions

Is Kit (ConvertKit) better than Brevo (Sendinblue)? Kit (ConvertKit) scores higher in our testing (8/10 vs 7/10). Kit (ConvertKit) is the better choice for newsletters due to very generous free plan up to 10,000 subscribers. However, Brevo (Sendinblue) is a stronger fit if excellent value with generous free plan.

What’s cheaper, Kit (ConvertKit) or Brevo (Sendinblue)? Kit (ConvertKit) starts at Newsletter: Free (up to 10, while Brevo (Sendinblue) starts at $9/mo. 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 — limited free access. 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 — limited free access.



Frequently Asked Questions

Is Kit (ConvertKit) better than Brevo (Sendinblue)?
Kit (ConvertKit) scores higher in our testing (8/10 vs 7/10). Kit (ConvertKit) is the better choice for newsletters due to very generous free plan up to 10,000 subscribers. However, Brevo (Sendinblue) is a stronger fit if excellent value with generous free plan.
What's cheaper, Kit (ConvertKit) or Brevo (Sendinblue)?
Kit (ConvertKit) starts at Newsletter: Free (up to 10, while Brevo (Sendinblue) starts at $9/mo. 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 — limited free access. 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 — limited free access.

Try Kit (ConvertKit) yourself

See current pricing and features on the official site.

Get Started with Kit (ConvertKit) → Affiliate link · We may earn a commission