Supabase vs Kit (ConvertKit)

Full side-by-side comparison of features, pricing, and use cases to help you pick the right tool.

Bottom line: Both tools are competitively priced. Supabase edges ahead with a 4.7/5 rating.

Supabase

Open-source Firebase alternative with Postgres, Auth, and Storage

4.7 / 5From $25/mo
Kit (ConvertKit)

Email marketing platform built for creators and solopreneurs

4.4 / 5From $25/mo

Pricing Comparison

PlanSupabaseKit (ConvertKit)
FreeYesYes
Starter$25/mo$25/mo
Pro-$50/mo
EnterpriseCustomCustom

Both tools are the same price at the Starter tier ($25/mo).

Feature Matrix

FeatureSupabaseKit (ConvertKit)
Postgres databaseYes-
AuthenticationYes-
StorageYes-
Edge FunctionsYes-
Realtime subscriptionsYes-
Visual automation builder-Yes
Paid newsletters-Yes
Creator network for cross-promotion-Yes
Landing pages and forms-Yes
Subscriber tagging-Yes

When to Choose Each

Choose Supabase if you need...

  • +Real Postgres under the hood
  • +Great DX
  • +Generous free tier
  • +Open source
DevelopersStartupsFounders

Choose Kit (ConvertKit) if you need...

  • +Creator-focused features
  • +Strong automation
  • +Good deliverability
Content CreatorsSolopreneursFreelancers

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Frequently Asked Questions

Which is better, Supabase or Kit (ConvertKit)?

Supabase scores higher in our review (4.7/5 vs 4.4/5). However, Kit (ConvertKit) may be a better fit depending on your specific needs and budget.

Is Supabase cheaper than Kit (ConvertKit)?

Pricing varies by plan. Supabase starts at $25/mo and Kit (ConvertKit) starts at $25/mo.

What is the difference between Supabase and Kit (ConvertKit)?

Supabase focuses on postgres database and authentication, while Kit (ConvertKit) emphasizes visual automation builder and paid newsletters. Supabase is best for Developerss, Startupss, Founderss, while Kit (ConvertKit) suits Content Creatorss, Solopreneurss, Freelancerss.

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