# TrialMax App vs CANTAB

The clearest difference is ratings volume: TrialMax App at 99 against CANTAB's 2. TrialMax App also leads on update cadence (every 3 weeks vs every 3 months) and device support (3 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 — 2.5 for TrialMax App against 2.5 for CANTAB. That said, the two scores are not equally well evidenced: TrialMax App has 99 ratings behind it against 2, so its average is the more settled of the two.

TrialMax App ships an update every 3 weeks, CANTAB every 3 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | TrialMax App | CANTAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (99 ratings)](https://appshunter.io/ios/app/trialmax-app/id1002332076/reviews) | [2.5 (2 ratings)](https://appshunter.io/ios/app/cantab/id1547171492/reviews) |
| Number of ratings | **99** | 2 |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 41 MB | 72 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Signant Health Oy](https://appshunter.io/developer/885378600) | [Cambridge Cognition Limited](https://appshunter.io/developer/496596292) |

## What reviewers say

### TrialMax App

[App page](https://appshunter.io/ios/app/trialmax-app/id1002332076)

Collect data from patients and caregivers in clinical trials for new medicines. Access study-specific questionnaires on the go, with reminders to help you follow the study protocol. Your privacy and anonymity are ensured.

**Highlights:** Patient and caregiver data collection, Study-specific questionnaires, On-the-go data entry, Study protocol reminders, Privacy and anonymity assured, Easy-to-use interface

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

**In-app purchases:** none


### CANTAB

[App page](https://appshunter.io/ios/app/cantab/id1547171492)

This application is exclusively for registered study participants. It allows users to check in regularly to engage with research studies and monitor their personal progress.

**Highlights:** Study participation, Regular check-ins, Progress monitoring, Study updates

**In-app purchases:** none


## Frequently asked questions

### Is TrialMax App free?

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

### Is CANTAB free?

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

### Which has better reviews, TrialMax App or CANTAB?

TrialMax App and CANTAB are both rated 2.5 out of 5 on the App Store, from 99 and 2 ratings respectively.

### Do TrialMax App or CANTAB have ads?

Neither TrialMax App nor CANTAB shows ads.

### Which is updated more often, TrialMax App or CANTAB?

TrialMax App ships an update every 3 weeks, and CANTAB every 3 months. Most recently, TrialMax App was updated on October 11, 2026 and CANTAB on October 3, 2026.

---

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