SiYuan

Yunnan Liandi Technology Co., Ltd. Productivity iPhoneiPadiPod touch

SiYuan is a free Productivity app for iPhone and iPad by Yunnan Liandi Technology Co., Ltd. Rated 3.9/5 from 30 ratings. Requires iOS 17.0.

Rating: 3.9; 30 ratings
Price: Free; on the App Store
Size: 434 MB; Age 17+
Updated: Oct 20; 2026 · v3.8.8

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About SiYuan

SiYuan is a privacy-first personal knowledge management system that supports complete offline use, as well as end-to-end encrypted data sync. Fuse blocks, outlines, and bidirectional links to refactor your thinking.

Ratings & reviews

3.9

30 ratings

5 ★ 60% 4 ★ 13% 3 ★ 3% 2 ★ 3% 1 ★ 20%

What’s new

Version 3.8.8 · Updated October 20, 2026

AI integrations add the Gemini Interactions API and DeepSeek Search and Fetch APIs, with configurable embedding concurrency and batch size. Linux improvements cover AppImage startup without libfuse2, built-in OCR compatibility with glibc 2.28, and GNOME system proxy detection. This release also upgrades Electron and Mermaid.

App privacy

The developer, Yunnan Liandi Technology Co., Ltd., reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

SiYuan is a free Productivity app for iPhone, iPad and iPod touch, developed by Yunnan Liandi Technology Co., Ltd. It is rated 3.9 out of 5 from 30 ratings on the App Store, requires iOS 17.0 or later, is 434 MB to download and is available in 2 languages. It was first released on January 25, 2022 and last updated on October 20, 2026.

Category: Productivity
Rating: 3.9 / 5 (30 ratings)
Price: Free
Version: 3.8.8
Size: 434 MB
Requires: iOS 17.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, Chinese
Age rating: 17+
Released: January 25, 2022
Last updated: October 20, 2026
Developer: Yunnan Liandi Technology Co., Ltd.

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Alternatives to SiYuan

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