# ESMO Events App vs CTCAE 5 Pro

The clearest difference is review sentiment: ESMO Events App at 50% against CTCAE 5 Pro's 0%. ESMO Events App also leads on in-app purchases (none vs 2). CTCAE 5 Pro's advantage is rating (4.9 vs 4.2) and ratings volume (41 vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CTCAE 5 Pro sells 2 in-app purchases, starting at $1.99 per month. ESMO Events App asks for nothing beyond the download.

CTCAE 5 Pro holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: CTCAE 5 Pro has 41 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 50% of ESMO Events App's written reviews are positive against 0% of CTCAE 5 Pro's, so the app with the better star average is not the one people write more warmly about.

ESMO Events App ships an update every 3 weeks, CTCAE 5 Pro every 5 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ESMO Events App | CTCAE 5 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/esmo-events-app/id908386555/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/ctcae-5-pro/id1625569535/reviews)** |
| Number of ratings | 6 | **41** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free** | Freemium |
| Size | 112 MB | 60 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [European Society for Medical Oncology - ESMO](https://appshunter.io/developer/515544538) | [Koichiro Watanabe](https://appshunter.io/developer/1077985400) |

## What reviewers say

### ESMO Events App

[App page](https://appshunter.io/ios/app/esmo-events-app/id908386555)

Access a comprehensive library of medical conferences, including detailed scientific programs, speaker information, and exhibitor details. Plan your schedule, navigate event venues, and stay updated with daily news. The app allows offline access after initial data download.

**Highlights:** Browse scientific programs by day, topic, and cancer type, Create personalized event schedules, Locate rooms and exhibitor stands on floorplans, Receive daily news updates, Offline access to conference data, Regularly updated conference listings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CTCAE 5 Pro

[App page](https://appshunter.io/ios/app/ctcae-5-pro/id1625569535)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $9.99 | per year |


## Frequently asked questions

### Is ESMO Events App free?

ESMO Events App is free to download, with no in-app purchases.

### Is CTCAE 5 Pro free?

CTCAE 5 Pro is free to download, with in-app purchases available.

### Which has better reviews, ESMO Events App or CTCAE 5 Pro?

CTCAE 5 Pro is rated higher. ESMO Events App averages 4.2 out of 5 from 6 ratings, while CTCAE 5 Pro averages 4.9 from 41 ratings.

### Do ESMO Events App or CTCAE 5 Pro have ads?

Neither ESMO Events App nor CTCAE 5 Pro shows ads.

### Which is updated more often, ESMO Events App or CTCAE 5 Pro?

ESMO Events App ships an update every 3 weeks, and CTCAE 5 Pro every 5 weeks. Most recently, ESMO Events App was updated on October 29, 2026 and CTCAE 5 Pro on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*