# CARTOX vs CTCAE 6 Pro

The clearest difference is in-app purchases: CARTOX at none against CTCAE 6 Pro's 2. CTCAE 6 Pro's advantage is update cadence (every 3 weeks vs every 20 months) and iOS requirement (15.6 vs 26.4). 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. CARTOX asks for nothing beyond the download.

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

CARTOX ships an update every 20 months, CTCAE 6 Pro every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | CARTOX | CTCAE 6 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/cartox/id1464005828/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/ctcae-6-pro/id1625560237/reviews) |
| Number of ratings | 6 | **10** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 87 MB |
| Requires iOS | 26.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [MD Anderson Cancer Center](https://appshunter.io/developer/618340093) | [Koichiro Watanabe](https://appshunter.io/developer/1077985400) |

## What reviewers say

### CARTOX

[App page](https://appshunter.io/ios/app/cartox/id1464005828)

This medical app aids clinicians in assessing and managing toxicities associated with cellular therapies, including Cytokine Release Syndrome (CRS) and Immune effector Cell-Associated Neurotoxicity Syndrome (ICANS). It provides grading methods and treatment recommendations for healthcare professionals caring for patients undergoing immune effector cell therapy.

**Highlights:** Toxicity grading, CRS assessment, ICANS assessment, Treatment recommendations, Antimicrobial prophylaxis guidance

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

**In-app purchases:** none


### CTCAE 6 Pro

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

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:** 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 CARTOX free?

CARTOX 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, CARTOX or CTCAE 6 Pro?

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

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

Neither CARTOX nor CTCAE 6 Pro shows ads.

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

CARTOX ships an update every 20 months, and CTCAE 6 Pro every 3 weeks. Most recently, CARTOX was updated on November 3, 2026 and CTCAE 6 Pro on November 3, 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.*