CTCAE 6 Pro vs ASCO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CTCAE 6 Pro
This app provides easy access to CTCAE 6.0 content, allowing users to bookmark adverse events, search for keywords, and organize notes. It offers features for version comparison, data export, and timeline management for premium subscribers.
- Quick CTCAE 6.0 content access
- Unlimited bookmarking of adverse events
- Keyword search with highlighting
- Local data storage for privacy
- Version comparison (5.0 vs 6.0)
- Smart notes and chronological organization
- Spreadsheet to custom list app conversion
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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
ASCO
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The new ASCO App is a trusted tool for ASCO Members and the oncology community. Get a personalized feed of practice-changing science from JCO Journals tailored to your specialty, streamline your membership, and access professional development tools like ASCO-SEP®—anytime, anywhere. It’s an essential resource designed to save you time while fostering continuous engagement with the global oncology community.
Screenshots
Verdict
The clearest difference is in-app purchases: ASCO at none against CTCAE 6 Pro's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CTCAE 6 Pro sells 2 in-app purchases, starting at $1.99 per month. ASCO asks for nothing beyond the download.
CTCAE 6 Pro ships an update every 3 weeks, ASCO fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | CTCAE 6 Pro | ASCO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 — better | 16 |
| Further details — not scored | ||
| Size | 87 MB | 87 MB |
| Age rating | 17+ | 17+ |
| Developer | Koichiro Watanabe | American Society of Clinical Oncology |
In-app purchases
CTCAE 6 Pro
- Premium Plan – Monthly7 Days trial$1.991 Month
- Premium Plan – Annual7 Days trial$9.991 Year
ASCO
No in-app purchases
Questions
Is CTCAE 6 Pro free?
Is ASCO free?
Do CTCAE 6 Pro or ASCO have ads?
Which is updated more often, CTCAE 6 Pro or ASCO?
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