Decision Guide

Brevo (Sendinblue) vs Kit (formerly ConvertKit): Which One Fits Your Solo Dev Stack?

Free tier limits, real costs for 1-10 users, and honest "not for" warnings. The Solo Dev decision guide for Brevo (Sendinblue) vs Kit (formerly ConvertKit).

Last updated: Feb 2026·8 min read·Solo Score: Brevo (Sendinblue) 7 vs Kit (formerly ConvertKit) 8.5

⚡ Quick Verdict

Kit (formerly ConvertKit) edges ahead with a 4.5/5 rating. However, the best choice depends on your team size, budget, and workflow needs. Read on for the full breakdown.

💰 Cost by Team Size

Team SizeBrevo (Sendinblue)Kit (formerly ConvertKit)
Solo (1 user)$0/mo$0/mo
Small (5 users)$45/mo$25/mo
Growing (10 users)$90/mo$50/mo
Free TierSee website10,000 subscribers. Unlimited sends. Unlimited landing pages. No automations.

Pricing Plans

PlanBrevo (Sendinblue)Kit (formerly ConvertKit)
Free Plan✅ Yes✅ Yes
Starter$9/mo$25/mo

Feature Comparison

FeatureBrevo (Sendinblue)Kit (formerly ConvertKit)

Pros & Cons

Brevo (Sendinblue)

✅ Pros

  • Modern and well-maintained
  • Good free tier
  • Active community

❌ Cons

  • Learning curve for advanced features
  • Pricing scales with usage

Kit (formerly ConvertKit)

✅ Pros

  • 10,000 subscribers free — most generous in market
  • Visual automation builder
  • Built-in commerce for digital products
  • Tag-based subscriber management
  • Creator Network for cross-promotion

❌ Cons

  • No free automation (paid tiers only)
  • Limited email design templates
  • Basic analytics compared to Mailchimp
  • No built-in CRM features
  • Rebranded from ConvertKit — some confusion

Who Should Use What?

✅ Choose Brevo (Sendinblue) if...

  • You are a solo developers
  • You are a small startups
  • You are a side projects

🚫 Skip if...

  • Enterprise with complex compliance

✅ Choose Kit (formerly ConvertKit) if...

  • You are a newsletter creators and bloggers
  • You are a course creators selling digital products
  • You are a solo creators building an audience

🚫 Skip if...

  • E-commerce businesses (Mailchimp better)
  • Teams needing advanced reporting
  • Those wanting visual email templates

🏆 Our Verdict

Both Brevo (Sendinblue) (4.2/5) and Kit (formerly ConvertKit) (4.5/5) are excellent tools in their category. Kit (formerly ConvertKit) takes a slight edge overall, but the best choice ultimately depends on your team's specific needs, budget, and existing tool ecosystem.

Frequently Asked Questions

Is Brevo (Sendinblue) better than Kit (formerly ConvertKit)?

It depends on your needs. Brevo (Sendinblue) excels in some areas while Kit (formerly ConvertKit) has its own strengths. Read our full comparison above to see which tool fits your specific requirements.

How does Brevo (Sendinblue) pricing compare to Kit (formerly ConvertKit)?

Brevo (Sendinblue) starts at Free / $9/mo, while Kit (formerly ConvertKit) starts at Free / $25/mo. Both offer different value propositions — check our pricing comparison section for a detailed breakdown.

Can I migrate from Brevo (Sendinblue) to Kit (formerly ConvertKit)?

Yes, most B2B tools offer data import/export features. Kit (formerly ConvertKit) typically provides migration guides and sometimes even dedicated support for switching from Brevo (Sendinblue).

Which is easier to use, Brevo (Sendinblue) or Kit (formerly ConvertKit)?

Ease of use depends on your team's experience and workflow preferences. We evaluated both tools on usability — see our feature comparison scores above for details.

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