# CTCAE 6 Pro — Tailor your CTCAE workflow

> Medical toxicity criteria review and annotation tool with optional premium features. (iPhone/iPad app by Koichiro Watanabe.)

- Source: https://appshunter.io/ios/app/ctcae-6-pro/id1625560237 (this page in markdown: same URL + `.md`)
- Developer: [Koichiro Watanabe](https://appshunter.io/developer/1077985400)
- Category: Medical, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 7 App Store ratings
- Age rating: 17+
- Requires: iOS 15.6 · 87 MB
- Languages: American English
- Released: 2024-07-18
- Data updated: 2026-08-28
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/ctcae-6-pro/id1625560237/reviews.md

## What is CTCAE 6 Pro?

CTCAE 6 Pro helps you review and take notes on CTCAE content with ease. It is not intended for diagnosis, clinical decisions, or treatment planning.

Standard Features:
• Quick CTCAE Access: Browse CTCAE 6.0 content with ease
• Unlimited Flags: Bookmark AEs without limits
• Search with Highlighting: Easily spot keywords in context
• Local Data Storage: Keep your data secure and private on your device

Premium Features (Subscription Users):
• Version Comparison (5.0 ⇄ 6.0)
• Smart Notes: Organize CTCAE entries chronologically, use hashtags, and more
• Spreadsheet to App: Turn your spreadsheet into a custom list app—no coding required
• Easy Backups: Export to XLSX or CSV for flexibility
• Optimized Printing & Sharing: Export HTML files for instant viewing on any desktop or laptop, with easy letter-size printing
• Timeline Management: Track and log AEs on a day-by-day basis

## Key features

- Quick CTCAE 6.0 content access
- Unlimited adverse event bookmarking
- Keyword search with highlighting
- Local data storage
- Version comparison (5.0 ⇄ 6.0)
- Smart notes and timeline management
- Spreadsheet to custom list app conversion

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Plan – Monthly | $1.99 | per month |
| Premium Plan – Annual | $9.99 | per year |



## Frequently asked questions about CTCAE 6 Pro

### What is CTCAE 6 Pro used for?

CTCAE 6 Pro is designed to help users review and take notes on CTCAE content. It is not intended for diagnosis, clinical decisions, or treatment planning.

### Does CTCAE 6 Pro have ads?

No, CTCAE 6 Pro does not contain advertisements. The app is free to download and use, with optional premium features available via subscription.

### What are the premium features of CTCAE 6 Pro?

Premium features include version comparison (5.0 ⇄ 6.0), smart notes for chronological organization and hashtags, spreadsheet to app conversion, easy backups to XLSX or CSV, optimized printing and sharing to HTML, and timeline management for AEs.

### How much does CTCAE 6 Pro cost?

The base app is free. Premium features are available through a subscription, with a monthly plan at $1.99 and an annual plan at $9.99. Both plans offer a 7-day free trial.

### What devices support CTCAE 6 Pro?

CTCAE 6 Pro is supported on iPhone, iPad, and iPod devices. The app has an age rating of 17+.

### How often is CTCAE 6 Pro updated?

The latest version, 1.1.1, was released on March 3, 2026. The app was initially released on July 18, 2024, suggesting a potential for regular updates.

### Can I export my data from CTCAE 6 Pro?

Yes, premium users can export data to XLSX or CSV formats for flexibility. Optimized printing and sharing to HTML files are also available for easy viewing and letter-size printing.

### What is the user sentiment for CTCAE 6 Pro?

Based on the available data, CTCAE 6 Pro has a rating of 5.0 stars from 2 ratings, indicating a very positive user reception.

## Version history (last 5 releases)

### 1.1.2 — 2026-06-23

Improved: security and stability

Exclusive Premium offer: Get INFOBRIDGE Pro at no cost

### 1.1.1 — 2026-03-03

Fixed: an issue where some text was not displayed correctly in Dark Mode.
Improved: Security and performance.

### 1.1.0 — 2026-02-03

Update: Minor Corrections to CTCAE v6.0 (July 2025)

### 1.0.6 — 2025-11-24

Improved: New icons make it easier to see the differences between CTCAE 6 and CTCAE 5 at a glance.
Improved: The app now starts up faster with a quicker loading screen.
Improved: Note-taking is more responsive.
Improved: Security and overall performance have been enhanced.
Updated: Subscription screen design has been refreshed.
Fixed: Resolved an issue where the Sample.zip file could not be downloaded.
Fixed: Fixed a crash caused by a broken link.

### 1.0.5 — 2025-09-22

Fixed: Unified UI in Timeline (also compatible with iOS 26)
Fixed: some bugs
Improved: Security and performance
New: Icon compatible with iOS 26

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| App | Rating | Price | Category |
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| [ASCO Member](https://appshunter.io/ios/app/asco-member/id6742142845) | — | Free | Medical |
| [Physicians Cancer Chemotherapy](https://appshunter.io/ios/app/physicians-cancer-chemotherapy/id1361675468) | 4.8 (241) | Free | Medical |
| [ASTCT Practice Guidelines](https://appshunter.io/ios/app/astct-practice-guidelines/id1204871675) | 5.0 (4) | Free | Medical |
| [RBCX Calculation Tool](https://appshunter.io/ios/app/rbcx-calculation-tool/id1457982121) | 4.8 (5) | Free | Medical |
| [CTCAE 6 GO](https://appshunter.io/ios/app/ctcae-6-go/id6749604539) | 5.0 (3) | Free | Medical |

## More apps by Koichiro Watanabe

- [Talk Mall](https://appshunter.io/ios/app/talk-mall/id1244010454)
- [CTCAE 5 Pro](https://appshunter.io/ios/app/ctcae-5-pro/id1625569535)
- [INFOBRIDGE](https://appshunter.io/ios/app/infobridge/id6760969677)

All apps by Koichiro Watanabe: https://appshunter.io/developer/1077985400

## Related topics

[ctcae](https://appshunter.io/ios/topics/ctcae) · [ctcae 6 pro](https://appshunter.io/ios/topics/ctcae-6-pro) · [ctcae 6](https://appshunter.io/ios/topics/ctcae-6) · [ctcae plus](https://appshunter.io/ios/topics/ctcae-plus) · [ctcae 5 pro](https://appshunter.io/ios/topics/ctcae-5-pro) · [ctcae 6 go](https://appshunter.io/ios/topics/ctcae-6-go)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*