250+ iOS apps curated and reviewed
If you already know Obsidian, this is the deeper bench. 250+ zettelkasten apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (2.7K) | No | No | Sep 2026 | |
| 2 |  | Free | 3.0★ (2) | No | Yes | Aug 2026 | |
| 3 |  | Free | — | — | No | Jul 2026 | |
| 4 |  | Free | 3.5★ (6) | No | Yes | Jun 2026 | |
| 5 |  | Free | 4.8★ (90K) | No | Yes | Sep 2026 | |
| 6 |  | Free | — | No | No | Aug 2026 | |
| 7 |  | Free | 4.4★ (23) | No | Yes | Aug 2026 | |
| 8 |  | Free was $4.99 | 5.0★ (1) | No | Yes | Aug 2026 |
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.
Capture and connect ideas as small cards to build a growing web of knowledge. This app offers a distraction-free interface for organizing thoughts and creating structured insights. Your data remains private, stored locally or optionally in iCloud, with no tracking or ads.
