243+ iOS apps curated and reviewed
If you already know Apollon, this is the deeper bench. 243+ uml diagrams apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (2) | No | No | Oct 2026 | |
| 2 |  | Free | 1.0★ (1) | No | No | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Oct 2026 | |
| 4 |  | Free | 3.4★ (9) | No | Yes | Oct 2026 | |
| 5 |  | Free | 2.0★ (1) | No | No | Sep 2026 | |
| 6 |  | Free | 3.4★ (66) | No | Yes | Oct 2026 | |
| 7 |  | Free | 3.5★ (52) | No | Yes | Oct 2026 | |
| 8 |  | Free | — | No | Yes | Oct 2026 |
Create UML and software design diagrams on your iPhone and iPad. Supports 13 notations, templates, and offline work. Export to various formats or share for collaboration.
Instantly transform hand-drawn UML sequence diagrams from notebooks or whiteboards into polished digital visuals. This app uses AI to detect elements and create clean, shareable PNG images, ideal for students and professionals documenting software designs.
Create professional UML class diagrams visually or with code. Supports PlantUML and Mermaid syntax, offering a drag-and-drop interface with auto-layout. Export diagrams in high-resolution formats and sync seamlessly across Apple devices.
