# Chaldea (open-source game)

> Chaldea is a free, open-source game for Android and iOS. Material Planner for Fate/GO. It has 677 GitHub stars and is released under the AGPL-3.0-only license, and you can install it from F-Droid, Google Play and the App Store.

Chaldea is a cross-platform material planning tool for Fate/Grand Order, supporting Android, iOS, Windows, macOS, Linux and Web. Chaldea will help masters plan their servants, events and materials. Features Cross platform: Android, iOS, Windows, macOS, Linux and Web Multi-language: Simplified Chinese, Traditional Chinese, English, Japanese and Korean Detailed Game Data: Servant, CE, Command Code, Mystic Code and so on Material Planning Servant rank up: ascension, active skill, append skill, costume, palingenesis, fou-kun and servant coin Event plan: limited event, main story and exchange ticket Material/Item management, find the quests with best drop rate Free Quest SolverGet the best…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/chaldea-center/chaldea |
| Platforms | Android, iOS |
| Built with | Flutter |
| GitHub stars | 677 |
| License | AGPL-3.0-only (open source) |
| F-Droid | https://f-droid.org/packages/cc.narumi.chaldea.fdroid/ (package cc.narumi.chaldea.fdroid) |
| F-Droid anti-features | Relies on a non-free network service |
| Google Play | https://play.google.com/store/apps/details?id=cc.narumi.chaldea |
| App Store | https://apps.apple.com/app/id1548713491 |
| Website | https://docs.chaldea.center |
| Official | no |
| Category | Games |
| Latest release | v2.6.1 (Aug 23, 2026) |
| Last commit | Oct 4, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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