head to head · open source
keepass2android vs Monica
keepass2android has 6,244 GitHub stars, 480 forks, 1,174 open issues and last shipped 8 days ago. Monica has 1,028 stars, 62 forks, 7 open issues and last shipped 4 days ago. keepass2android leads on adoption by 507% (6,244 vs 1,028 stars). keepass2android is written in C# under GPL-3.0; Monica is written in Kotlin under GPL-3.0. keepass2android has attracted 8% as many forks as stars, Monica 6%. Monica was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (android, password-manager), 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
| keepass2android | Monica | |
|---|---|---|
| GitHub stars | ★ 6.2K | ★ 1.0K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | C# | Kotlin |
| Last push | 2026-09-17 | 2026-09-21 |
| Forks | ⑂ 480 | ⑂ 62 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick keepass2android if
- You weight community size — 6.2K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C#
- You value the larger contributor base for long-term maintenance
pick Monica if
- You want the Monica feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and Monica fits your workflow better
About keepass2android
Keepass2Android is a free, GPL 3.0 licensed password manager for Android that stores passwords and other sensitive information in an encrypted database file readable by KeePass 2.x and KeePassXC on desktop, making it the mobile client for people who already keep their credentials in a KeePass compatible file.
read the full keepass2android overview →
About Monica
Monica is a local first password manager and 2FA generator for Android, written in Kotlin and released under GPL 3.0, that aggregates Bitwarden and KeePass vaults into a single encrypted store for people who want their credentials to stay on their own devices rather than in a third party cloud.
read the full Monica overview →
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Frequently asked questions
Is keepass2android or Monica more popular?
keepass2android has 6,244 GitHub stars and Monica has 1,028. keepass2android has the larger community by that measure.
Are keepass2android and Monica free?
Both are open source. keepass2android is licensed under GPL-3.0 and Monica under GPL-3.0. Neither carries a licence fee.
What is the difference between keepass2android and Monica?
keepass2android is written in C# and Monica 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, keepass2android or Monica?
Choose keepass2android if you want the larger community (6,244 stars) or its GPL-3.0 licence terms. Choose Monica if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.