# Ciyue (open-source education app)

> Ciyue is a free, open-source education app for Android. A simple mdict dictionary. It has 619 GitHub stars and is released under the MIT license, and you can install it from F-Droid.

Ciyue is a simple mdict dictionary. Features: * Support MDX/MDD * Support multiple dictionaries search and display * Support Material You * AI Translate (Support OpenAI, Gemini, Deepseek...) * Support reading aloud * Bookmarking words to the word book

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/mumu-lhl/Ciyue |
| Platforms | Android, Desktop |
| Built with | Flutter |
| GitHub stars | 619 |
| License | MIT (open source) |
| F-Droid | https://f-droid.org/packages/org.eu.mumulhl.ciyue/ (package org.eu.mumulhl.ciyue) |
| F-Droid anti-features | Relies on a non-free network service |
| Google Play | not linked |
| App Store | not linked |
| Website | https://mumulhl.eu.org/Ciyue/ |
| Official | no |
| Category | Education & language |
| Latest release | v1.23.2 (Sep 19, 2026) |
| Last commit | Oct 8, 2026 |

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

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