# Otnac vs CANTAB Mobile

The clearest difference is update cadence: Otnac at every 3 weeks against CANTAB Mobile's every 12 months. CANTAB Mobile's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Otnac ships an update every 3 weeks, CANTAB Mobile every 12 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Otnac | CANTAB Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/otnac/id417750647/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Free | Free |
| Size | 559 MB | 105 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPad | iPad |
| Age rating | 17+ | 17+ |
| Developer | [Epic](https://appshunter.io/developer/348308666) | [Cambridge Cognition Limited](https://appshunter.io/developer/496596292) |

## What reviewers say

### Otnac

[App page](https://appshunter.io/ios/app/otnac/id417750647)

This application allows project team members and system administrators of organizations using Epic Canto to preview upcoming development before it is released to clinicians. Access requires administrator security within an organization that is live on or installing Canto. Clinical users should download the standard Epic Canto app instead.

**Highlights:** Preview upcoming Epic Canto development, For project team members, For system administrators, Requires Epic Canto installation, Administrator security access

**In-app purchases:** none


### CANTAB Mobile

[App page](https://appshunter.io/ios/app/cantab-mobile/id496596289)

This medical device software provides access to a specialized episodic memory test. It is intended for use by healthcare professionals within participating organizations. Access requires valid administrator credentials.

**Highlights:** Episodic memory test, Healthcare organization use, Administrator credential access, Results viewing, Test administration

**In-app purchases:** none


## Frequently asked questions

### Is Otnac free?

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

### Is CANTAB Mobile free?

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

### Do Otnac or CANTAB Mobile have ads?

Neither Otnac nor CANTAB Mobile shows ads.

### Which is updated more often, Otnac or CANTAB Mobile?

Otnac ships an update every 3 weeks, and CANTAB Mobile every 12 months. Most recently, Otnac was updated on October 29, 2026 and CANTAB Mobile 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.*