151+ iOS apps curated and reviewed
Finding the right siyuan apps can be overwhelming with so many options. We've analyzed 151+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (29) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.5★ (2.7K) | No | No | Oct 2026 | |
| 3 |  | Free | 4.4★ (252) | No | No | Aug 2026 | |
| 4 |  | Free | 4.6★ (1.2K) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 4.4★ (23) | No | Yes | Jul 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | 3.7★ (6) | No | No | Aug 2026 |
A privacy-focused personal knowledge management system that allows offline use and encrypted data synchronization. It combines blocks, outlines, and bidirectional links to help users organize and refine their thoughts.
Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.
This open-source outliner helps you write, organize, and share your thoughts using local Markdown and Org-mode files. Manage tasks, build a digital garden, and integrate with various services for enhanced productivity.
