# Lotti (open-source fitness and health app)

> Lotti is a free, open-source fitness and health app for Android and iOS. A private logbook with a staff of personal AI assistants. It has 1,197 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at matthiasn/lotti.

Come say hi on Discord — questions, support, ideas, or just what you are using Lotti for. A distributed system of record for your memories — kept on your devices, and nowhere else.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/matthiasn/lotti |
| Platforms | Android, iOS, Desktop |
| Built with | Flutter |
| GitHub stars | 1,197 |
| License | GPL-3.0 (open source) |
| F-Droid | not listed |
| F-Droid anti-features | n/a |
| Google Play | not linked |
| App Store | not linked |
| Website | https://matthiasn.github.io/lotti/ |
| Official | no |
| Category | Fitness & health |
| Latest release | 1.1.41+4427 (Oct 3, 2026) |
| Last commit | Oct 7, 2026 |

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