Comparison

CTCAE 5 Pro vs MK5684

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

Head to head
About

CTCAE 5 Pro

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.

Highlights
  • Streamlined CTCAE Document Access
  • Local data storage for enhanced privacy
  • Version comparison tool
  • Advanced chronological note-taking with hashtags
  • Custom app creation from spreadsheets
  • Flexible backup and archiving (XLSX, CSV)
Features
Read full description

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.

About

MK5684

Read full description

MSD MK5684-003 eCOA App is intended for use collect patient reported outcomes relating to a clinical trial. Patients must be given accounts by a participating site in order to log in to the app.

Screenshots

CTCAE 5 Pro4 screens
MK56844 screens

Verdict

The call

The clearest difference is in-app purchases: MK5684 at none against CTCAE 5 Pro's 2. MK5684 also leads on iOS requirement (12.0 vs 15.5). 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 5 Pro sells 2 in-app purchases, starting at $1.99 per month. MK5684 asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
CTCAE 5 Pro versus MK5684: the parameters behind the verdict, then further details
ParameterCTCAE 5 ProMK5684
PriceFreeFree
Rating4.8 (38 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings38 — better—
Update frequencyEvery 5 weeksEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.512.0 — better
Further details — not scored
Size60 MB85 MB
Age rating17+12+
DeveloperKoichiro WatanabeERT,INC

In-app purchases

2 purchases

CTCAE 5 Pro

Subscriptions2
  • Monthly subscription7 Days trial$1.991 Month
  • Annual subscription7 Days trial$9.991 Year
None

MK5684

No in-app purchases

Questions

Is CTCAE 5 Pro free?
CTCAE 5 Pro is free to download, with in-app purchases available.
Is MK5684 free?
MK5684 is free to download, with no in-app purchases.
Do CTCAE 5 Pro or MK5684 have ads?
Neither CTCAE 5 Pro nor MK5684 shows ads.
Which is updated more often, CTCAE 5 Pro or MK5684?
CTCAE 5 Pro ships an update every 5 weeks, and MK5684 every 5 weeks. Most recently, CTCAE 5 Pro was updated on September 22, 2026 and MK5684 on September 19, 2026.

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