# One Second Diary (open-source notes app)

> One Second Diary is a free, open-source notes app for Android and iOS. Record 1 second everyday & create the movie of your life. It has 411 GitHub stars and is released under the MIT license, and you can install it from Google Play.

Record 1 second everyday & create the movie of your life. After installing some related apps and not being fully satisfied with any of them, I decided to create my own, featuring the two aspects that I wanted the most: Minimalist and 100% Private.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/KyleKun/one_second_diary |
| Platforms | Android, iOS |
| Built with | Flutter |
| GitHub stars | 411 |
| License | MIT (open source) |
| F-Droid | not listed |
| F-Droid anti-features | n/a |
| Google Play | https://play.google.com/store/apps/details?id=com.kylekun.one_second_diary |
| App Store | not linked |
| Website | none listed |
| Official | no |
| Category | Notes & to-do |
| Latest release | v1.7.2 (Oct 5, 2026) |
| Last commit | Oct 6, 2026 |

## Similar mobile apps

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- [Logseq](https://appsgit.com/mobile-apps/logseq): A privacy-first, open-source platform for knowledge management and collaboration. (45,172 stars, AGPL-3.0-only)
- [Notesnook](https://appsgit.com/mobile-apps/notesnook): A fully open source & end-to-end encrypted note taking app. (14,730 stars, GPL-3.0-only)
- [Standard Notes](https://appsgit.com/mobile-apps/standard-notes): An end-to-end encrypted note-taking app for digitalists and professionals. (6,645 stars, AGPL-3.0-only, official)
- [Markor](https://appsgit.com/mobile-apps/markor): Text editor - Notes & ToDo. Lightweight. Markdown and todo.txt support. (6,236 stars, Apache-2.0)
- [Tasks.org](https://appsgit.com/mobile-apps/tasks-org): Private, ad-free task lists! Optional sync with Google Tasks, CalDAV or EteSync! (5,637 stars, GPL-3.0-only)

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