ConvertKit vs Sendinblue: Side-by-Side Comparison (2025)

Choosing between ConvertKit and Sendinblue comes down to your specific use case. Both are legitimate email marketing platforms, but they serve different audiences. ConvertKit is built for creators, bloggers, and course sellers, while Sendinblue targets transactional email and SMS campaigns. This comparison covers the key differences so you can decide quickly.

Quick Verdict

Overall winner
Sendinblue
Better pricing
Sendinblue
More features
ConvertKit
For beginners
ConvertKit
E-commerce
ConvertKit

Feature Comparison

FeatureConvertKitSendinblue
Starting price$29/mo$25/mo
Free planYesYes
Best forCreators, Bloggers, And Course SellersTransactional Email And Sms Campaigns
Free subscriber limit1000100000
G2 rating4.44.5

Which Should You Choose?

Choose ConvertKit if...

  • You are primarily focused on creators, bloggers, and course sellers
  • You value visual automations
  • You prefer freemium pricing
Try ConvertKit โ†’

Choose Sendinblue if...

  • You are primarily focused on transactional email and SMS campaigns
  • You value 300 free emails/day
  • You prefer freemium pricing
Try Sendinblue โ†’

Frequently Asked Questions

Is ConvertKit better than Sendinblue?

It depends on your use case. ConvertKit wins for creators, bloggers, and course sellers, while Sendinblue is stronger for transactional email and SMS campaigns. Neither is objectively better โ€” the right choice depends on your specific needs.

Which is cheaper, ConvertKit or Sendinblue?

Sendinblue starts at a lower price point ($25/mo vs $29/mo). However, pricing scales with subscriber count, so the total cost depends on your list size.

Can I switch from Sendinblue to ConvertKit?

Yes, switching from Sendinblue to ConvertKit is possible. Most platforms support CSV import/export for subscriber lists. Plan for some time to recreate automations and templates, as these rarely transfer directly between platforms.