# CTC vs Hepatox

The clearest difference is in-app purchases: Hepatox at none against CTC's 1. On price, update cadence, ads and device support there is nothing between them.

CTC costs $3.99 and Hepatox $3.99 up front. CTC sells 1 one-off in-app purchase. Hepatox asks for nothing beyond the download.

CTC ships an update every 2 months, Hepatox every 3 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CTC | Hepatox |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | — |
| Size | 2 MB | 1 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | +17 |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Pierre Chaillet](https://appshunter.io/developer/481949152) |

## What reviewers say

### CTC

[App page](https://appshunter.io/ios/app/ctc-ae-plus/id349258523)

This medical reference app provides quick access to standardized adverse event criteria and grading scales for oncology research. It allows for efficient logging, tracking, and reporting of patient events, including performance scores and custom entries. Data is kept strictly on-device for privacy and compliance.

**Highlights:** CTCAE v4 and v5 reference, Performance score integration (Karnofsky, ECOG, Lansky), Advanced adverse event logger, Custom event creation, CSV data import/export, On-device data storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adverse Event Logger | $3.99 | one-time |


### Hepatox

[App page](https://appshunter.io/ios/app/hepatox/id489738472)

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

**In-app purchases:** none


## Frequently asked questions

### Is CTC free?

CTC costs $3.99, and also offers in-app purchases.

### Is Hepatox free?

Hepatox costs $3.99, with no in-app purchases.

### Do CTC or Hepatox have ads?

Neither CTC nor Hepatox shows ads.

### Which is updated more often, CTC or Hepatox?

CTC ships an update every 2 months, and Hepatox every 3 months. Most recently, CTC was updated on October 17, 2026 and Hepatox on October 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.*