87+ iOS apps curated and reviewed
The best ctcae apps on iPhone average 4.6★ across 87+ 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 | 5.0★ (8) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.8★ (38) | No | Yes | Sep 2026 | |
| 3 |  | Free | 3.5★ (11) | No | No | May 2026 | |
| 4 |  | Free | — | No | Yes | May 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | 4.9★ (116) | Yes | No | Oct 2026 | |
| 7 |  | Free | 4.8★ (257) | No | No | Oct 2026 | |
| 8 |  | Free | 4.5★ (18) | Yes | Yes | Jul 2026 |
Easily review and annotate medical toxicity criteria. Bookmark adverse events, search keywords, and organize entries chronologically. Offers local data storage and optional premium features for advanced note-taking and data export.
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.
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.
