Comparison

CTCAE 6 Pro vs ASCO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
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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

About

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

CTCAE 6 Pro4 screens
ASCO4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
CTCAE 6 Pro versus ASCO: the parameters behind the verdict, then further details
ParameterCTCAE 6 ProASCO
PriceFreeFree
Rating5.0 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.6 — better16
Further details — not scored
Size87 MB87 MB
Age rating17+17+
DeveloperKoichiro WatanabeAmerican Society of Clinical Oncology

In-app purchases

2 purchases

CTCAE 6 Pro

Subscriptions2
  • Premium Plan – Monthly7 Days trial$1.991 Month
  • Premium Plan – Annual7 Days trial$9.991 Year
None

ASCO

No in-app purchases

Questions

Is CTCAE 6 Pro free?
CTCAE 6 Pro is free to download, with in-app purchases available.
Is ASCO free?
ASCO is free to download, with no in-app purchases.
Do CTCAE 6 Pro or ASCO have ads?
Neither CTCAE 6 Pro nor ASCO shows ads.
Which is updated more often, CTCAE 6 Pro or ASCO?
CTCAE 6 Pro ships an update every 3 weeks, and ASCO fortnightly. Most recently, CTCAE 6 Pro was updated on November 3, 2026 and ASCO on October 30, 2026.

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