head to head · open source
Supabase vs Better Auth
Supabase has 109,930 GitHub stars, 14,175 forks, 1,128 open issues and last shipped today. Better Auth has 29,992 stars, 2,892 forks, 723 open issues and last shipped yesterday. Supabase leads on adoption by 267% (109,930 vs 29,992 stars). Supabase is written in TypeScript under Apache-2.0; Better Auth is written in TypeScript under MIT. Supabase has attracted 13% as many forks as stars, Better Auth 10%. Supabase was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (oauth2), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Supabase | Better Auth | |
|---|---|---|
| GitHub stars | ★ 110K | ★ 30K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 14K | ⑂ 2.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Supabase if
- You weight community size — 110K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Better Auth if
- You want the Better Auth feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Better Auth fits your workflow better
About Supabase
Supabase is an open source, Apache 2.0 licensed Postgres development platform that bundles a dedicated Postgres database with authentication, auto generated APIs, realtime subscriptions, file storage, and edge functions for developers building web, mobile, and AI applications.
read the full Supabase overview →
About Better Auth
Better Auth is a framework agnostic authentication and authorization framework written in TypeScript. It targets the broader JavaScript/TypeScript ecosystem and is designed to integrate with any backend or frontend framework, including Next.js, Express, SvelteKit, and others. It provides a unified API surface for core identity workflows such as sign up, sign in, session management, and passwordless flows.
read the full Better Auth overview →
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Frequently asked questions
Is Supabase or Better Auth more popular?
Supabase has 109,930 GitHub stars and Better Auth has 29,992. Supabase has the larger community by that measure.
Are Supabase and Better Auth free?
Both are open source. Supabase is licensed under Apache-2.0 and Better Auth under MIT. Neither carries a licence fee.
What is the difference between Supabase and Better Auth?
Supabase is written in TypeScript and Better Auth in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Supabase or Better Auth?
Choose Supabase if you want the larger community (109,930 stars) or its Apache-2.0 licence terms. Choose Better Auth if its feature set, stack or MIT licence fits better. Both are self-hostable.