head to head · open source
Better Auth vs KeyPass
Better Auth has 30,118 GitHub stars, 2,924 forks, 723 open issues and last shipped yesterday. KeyPass has 786 stars, 111 forks, 31 open issues and last shipped 17 days ago. Better Auth leads on adoption by 3,732% (30,118 vs 786 stars). Better Auth is written in TypeScript under MIT; KeyPass is written in Kotlin under MIT. Better Auth has attracted 10% as many forks as stars, KeyPass 14%. Better Auth was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Better Auth | KeyPass | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 786 |
| License | MIT | MIT |
| Written in | TypeScript | Kotlin |
| Last push | 2026-09-28 | 2026-09-12 |
| Forks | ⑂ 2.9K | ⑂ 111 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Better Auth if
- You weight community size — 30K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick KeyPass if
- You want the KeyPass feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Kotlin
- You evaluated both and KeyPass fits your workflow better
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 →
About KeyPass
KeyPass is an MIT licensed, fully offline Android password manager written in Kotlin that keeps credentials on the device rather than on a vendor's servers, and it is intended for Android users who want to store passwords, one time codes and autofill data without granting an app network access.
read the full KeyPass overview →
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Frequently asked questions
Is Better Auth or KeyPass more popular?
Better Auth has 30,118 GitHub stars and KeyPass has 786. Better Auth has the larger community by that measure.
Are Better Auth and KeyPass free?
Both are open source. Better Auth is licensed under MIT and KeyPass under MIT. Neither carries a licence fee.
What is the difference between Better Auth and KeyPass?
Better Auth is written in TypeScript and KeyPass in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Better Auth or KeyPass?
Choose Better Auth if you want the larger community (30,118 stars) or its MIT licence terms. Choose KeyPass if its feature set, stack or MIT licence fits better. Both are self-hostable.