# Otnac vs ImPACT Toolkit

The clearest difference is update cadence: Otnac at every 3 weeks against ImPACT Toolkit's every 4 months. ImPACT Toolkit's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, rating, ratings volume and ads 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 — 3.0 for Otnac against 3.0 for ImPACT Toolkit. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Otnac ships an update every 3 weeks, ImPACT Toolkit every 4 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Otnac | ImPACT Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/otnac/id417750647/reviews) | [3.0 (2 ratings)](https://appshunter.io/ios/app/impact-toolkit/id972072793/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 567 MB | 205 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Epic](https://appshunter.io/developer/348308666) | [ImPACT Applications, Inc.](https://appshunter.io/developer/466881804) |

## 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


### ImPACT Toolkit

[App page](https://appshunter.io/ios/app/impact-toolkit/id972072793)

This application allows healthcare professionals to administer concussion evaluation tests. It supports online and offline administration of ImPACT, ImPACT Pediatric, and ImPACT Quick Test, with results uploaded to a central database. A customer account is required for use.

**Highlights:** Administer ImPACT tests, Administer ImPACT Pediatric tests, Administer ImPACT Quick Test, Online and offline test administration, Upload test results to database, Record concussion evaluation findings

**In-app purchases:** none


## Frequently asked questions

### Is Otnac free?

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

### Is ImPACT Toolkit free?

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

### Which has better reviews, Otnac or ImPACT Toolkit?

Otnac and ImPACT Toolkit are both rated 3.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Otnac or ImPACT Toolkit have ads?

Neither Otnac nor ImPACT Toolkit shows ads.

### Which is updated more often, Otnac or ImPACT Toolkit?

Otnac ships an update every 3 weeks, and ImPACT Toolkit every 4 months. Most recently, Otnac was updated on November 6, 2026 and ImPACT Toolkit on November 1, 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.*