CTCAE 5 Pro
Beyond paper-based management
Free · In‑App Purchases · Designed for iPad
CTCAE 5 Pro simplifies viewing CTCAE documents and enhances notetaking. Upgrade to PREMIUM for version comparison and custom list creation from your spreadsheet library.
CTCAE 5 Pro is designed to assist in the documentation, review, and reference of CTCAE-related information. This app is intended for informational support and is not designed for medical purposes such as diagnosis, clinical decision-making, or treatment recommendations. Users are responsible for verifying all information and making clinical decisions.
::::::::: Standard features (available to all users) ::::::
- Streamlined CTCAE Document Access - Easily navigate CTCAE 5.0 documents using an intuitive interface.
- Enhanced privacy with local data storage - protect your data by storing it locally instead of relying on cloud services, ensuring privacy and control.
::::::::: Premium Features (available with subscription) :::::::
- Version Comparison Tool - Easily compare different versions of CTCAE 5.0 and 4.03.
- Advanced Notes feature - allows you to record CTCAEs in chronological order. You can also use hashtags and other features to efficiently organize and track notes for important information.
- Custom App Creation Feature - Simply import a spreadsheet and convert it into a list app. No programming knowledge is required.
- Flexible backup and archiving solution - easily back up and archive data in formats such as XLSX and CSV for versatility and accessibility.
- More features are available in the Premium version.
Note: With the Premium feature, a minimal number of files are automatically stored in a secure iCloud Drive to resume link information between files. This can be turned off based on user preference.
Ratings & Reviews
Improved: Performance
Fixed: An issue where app data would unexpectedly reset on certain devices.
Fixed: A bug that caused the Premium status to display incorrectly.
The developer, Koichiro Watanabe, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Koichiro Watanabe
- Size
- 62.5 MB
- Category
- Medical
- Compatibility
Requires iOS 15.5 or later.
- iPhone
Requires iOS 15.5 or later. - iPad
Requires iPadOS 15.5 or later. - iPod touch
Requires iOS 15.5 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Frequent
Medical Treatment information
- In-App Purchases
Yes
- Annual subscription $9.99
- Monthly subscription $1.99
- Copyright
- © 2025-Present Koichiro Watanabe

