# HemeOncBuddy vs CTCAE 6 Pro

The clearest difference is in-app purchases: HemeOncBuddy at none against CTCAE 6 Pro's 2. CTCAE 6 Pro's advantage is update cadence (every 3 weeks vs every 24 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CTCAE 6 Pro sells 2 in-app purchases, starting at $1.99 per month. HemeOncBuddy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HemeOncBuddy against 5.0 for CTCAE 6 Pro. Both are backed by a comparable volume of ratings — 18 and 10 respectively.

HemeOncBuddy ships an update every 24 months, CTCAE 6 Pro every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HemeOncBuddy | CTCAE 6 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (18 ratings)](https://appshunter.io/ios/app/hemeoncbuddy/id1579207336/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/ctcae-6-pro/id1625560237/reviews) |
| Number of ratings | **18** | 10 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 16 MB | 87 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Veli Bakalov](https://appshunter.io/developer/1579207338) | [Koichiro Watanabe](https://appshunter.io/developer/1077985400) |

## What reviewers say

### HemeOncBuddy

[App page](https://appshunter.io/ios/app/hemeoncbuddy/id1579207336)

This app provides quick access to practice-changing clinical trials in Hematology and Oncology. It offers simplified summaries of trial background, inclusion/exclusion criteria, primary endpoints, and outcomes for easy reference.

**Highlights:** Practice-changing clinical trial summaries, Hematology and Oncology focus, Simplified trial information, Inclusion and exclusion criteria, Primary endpoints and outcomes, Quick reference tool

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

**In-app purchases:** none


### CTCAE 6 Pro

[App page](https://appshunter.io/ios/app/ctcae-6-pro/id1625560237)

Easily review and annotate medical toxicity criteria. Bookmark adverse events, search keywords, and organize entries chronologically. Offers local data storage and optional premium features for advanced note-taking and data export.

**Highlights:** 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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan – Monthly | $1.99 | per month |
| Premium Plan – Annual | $9.99 | per year |


## Frequently asked questions

### Is HemeOncBuddy free?

HemeOncBuddy is free to download, with no in-app purchases.

### Is CTCAE 6 Pro free?

CTCAE 6 Pro is free to download, with in-app purchases available.

### Which has better reviews, HemeOncBuddy or CTCAE 6 Pro?

HemeOncBuddy and CTCAE 6 Pro are both rated 5.0 out of 5 on the App Store, from 18 and 10 ratings respectively.

### Do HemeOncBuddy or CTCAE 6 Pro have ads?

Neither HemeOncBuddy nor CTCAE 6 Pro shows ads.

### Which is updated more often, HemeOncBuddy or CTCAE 6 Pro?

HemeOncBuddy ships an update every 24 months, and CTCAE 6 Pro every 3 weeks. Most recently, HemeOncBuddy was updated on October 24, 2026 and CTCAE 6 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.*