# KCI Trials vs CARTOX

The clearest difference is update cadence: KCI Trials at every 4 months against CARTOX's every 20 months. KCI Trials also leads on iOS requirement (13.0 vs 26.4). CARTOX's advantage is ratings volume (6 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for KCI Trials against 5.0 for CARTOX. That said, the two scores are not equally well evidenced: CARTOX has 6 ratings behind it against 1, so its average is the more settled of the two.

KCI Trials ships an update every 4 months, CARTOX every 20 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | KCI Trials | CARTOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kci-trials/id674037084/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/cartox/id1464005828/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 20 months |
| Monetization | Free | Free |
| Size | 59 MB | 6 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Barbara Ann Karmanos Cancer Institute](https://appshunter.io/developer/674037087) | [MD Anderson Cancer Center](https://appshunter.io/developer/618340093) |

## What reviewers say

### KCI Trials

[App page](https://appshunter.io/ios/app/kci-trials/id674037084)

This app helps patients, caregivers, and healthcare professionals find active cancer clinical trials. It offers powerful search and filtering capabilities, with detailed protocol information and offline access. Users can save favorite trials and share details easily.

**Highlights:** Powerful trial search by various criteria, Smart filters with dynamic options, Offline access to trial details, Comprehensive protocol information, Enhanced drug profiles, Save favorite trials and searches, Easy sharing of trial details, Location and mapping tools

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is KCI Trials free?

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

### Is CARTOX free?

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

### Which has better reviews, KCI Trials or CARTOX?

KCI Trials and CARTOX are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do KCI Trials or CARTOX have ads?

Neither KCI Trials nor CARTOX shows ads.

### Which is updated more often, KCI Trials or CARTOX?

KCI Trials ships an update every 4 months, and CARTOX every 20 months. Most recently, KCI Trials was updated on November 1, 2026 and CARTOX 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.*