The latest version of SiYuan APK (v3.8.9) is available to download. Open-source knowledge workspace for humans and AI agents This app works on Android phones and tablets.
About SiYuan APK
SiYuan is an open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together. Features Most features are free, even for commercial use. Content block Block-level reference and two-way links Custom attributes SQL query embed Protocol siyuan:// Editor Block-style Markdown WYSIWYG List outline Block zoom-in Block horizontal layout Million-word large document editing Mathematical formulas, charts, flowcharts, Gantt charts, timing charts, staffs, etc. Web clipping PDF Annotation link Export Block ref and embed Standard Markdown with assets PDF, Word and HTML Copy to WeChat MP, Zhihu and Yuque Database Table view Spaced repetition Multi-tab, drag and drop to split screen Template snippet JavaScript/CSS snippet Android/iOS APP Docker deployment API Community marketplace Some features are only available to paid members, for more details please refer to Pricing.
SiYuan APK was developed by Yunnan Liandi Technology Co., Ltd. and is available under the AGPL-3.0-only open-source license. This means the source code is public and anyone can inspect it. If you like Note apps, you can also browse more apps in this category.
SiYuan APK Information
| App Name | SiYuan |
| Package | org.b3log.siyuan |
| Version | 3.8.9 |
| Size | 109 MB |
| Requires | Android 8.0 and up |
| Category | Note |
| Developer | Yunnan Liandi Technology Co., Ltd. |
| License | AGPL-3.0-only |
| Source | F-Droid |
| Last Updated | November 4, 2026 |
How to Install SiYuan APK on Android
- Download the SiYuan APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open SiYuan from your app drawer.
Why Download SiYuan APK from Here?
We link SiYuan APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest SiYuan APK.
Frequently Asked Questions
Is SiYuan APK free?
Yes, SiYuan APK is free and available under the AGPL-3.0-only open-source license.
Is SiYuan APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does SiYuan APK need?
SiYuan APK requires Android 8.0 and up to run.
What is the latest version of SiYuan APK?
The latest version is 3.8.9, updated on November 4, 2026.
Official page: SiYuan official website / source
