130+ iOS apps curated and reviewed
The best ctcae v4.0 apps on iPhone average 4.1★ across 130+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.5★ (11) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | Yes | May 2026 | |
| 3 |  | Free | 4.9★ (41) | No | Yes | Oct 2026 | |
| 4 |  | Free | — | — | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | Oct 2026 | |
| 6 |  | Free | 5.0★ (10) | No | Yes | Oct 2026 | |
| 7 |  | Free | — | No | No | Sep 2026 | |
| 8 |  | Free | — | No | No | Oct 2026 |
This medical reference app provides a standardized system for grading the severity of adverse events related to drug treatments or medical devices. It offers hierarchical navigation, bookmarking, and search functionality for quick access to definitions and grading standards.
This app helps review and take notes on CTCAE documents. It offers local data storage for privacy and premium features like version comparison and advanced note-taking with a subscription.
