# Three Rivers Performance vs ADHDScan

The clearest difference is in-app purchases: Three Rivers Performance at none against ADHDScan's 1. Three Rivers Performance also leads on iOS requirement (11.0 vs 15.1). ADHDScan's advantage is device support. On price there is nothing between them.

Both are free to download. ADHDScan sells 1 in-app purchase, starting at $4.99 per month. Three Rivers Performance asks for nothing beyond the download.

## The numbers

| Metric | Three Rivers Performance | ADHDScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 54 MB | 36 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Edward Hodges](https://appshunter.io/developer/1712710956) | [Devan Capps](https://appshunter.io/developer/1885003212) |

## What reviewers say

### Three Rivers Performance

[App page](https://appshunter.io/ios/app/three-rivers-performance/id6469835487)

**In-app purchases:** none


### ADHDScan

[App page](https://appshunter.io/ios/app/adhdscan/id6760564495)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SafeScan ADHD Premium | $4.99 | per month |


## Frequently asked questions

### Is Three Rivers Performance free?

Three Rivers Performance is free to download, with no in-app purchases.

### Is ADHDScan free?

ADHDScan is free to download, with in-app purchases available.

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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.*