# Cognition Snapshot + vs Bourdon Wiersma Test

The clearest difference is device support: Bourdon Wiersma Test at 3 against Cognition Snapshot +'s 1. Bourdon Wiersma Test also leads on iOS requirement (11.0 vs 16). On price, 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.

## The numbers

| Metric | Cognition Snapshot + | Bourdon Wiersma Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 53 MB | 44 MB |
| Requires iOS | 16 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Qr8 Health Inc.](https://appshunter.io/developer/1231169399) | [Yellow Riders](https://appshunter.io/developer/1209479274) |

## What reviewers say

### Cognition Snapshot +

[App page](https://appshunter.io/ios/app/cognition-snapshot-plus/id1584890737)

**In-app purchases:** none


### Bourdon Wiersma Test

[App page](https://appshunter.io/ios/app/bourdon-wiersma-test/id6445822769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cognition Snapshot + free?

Cognition Snapshot + is free to download, with no in-app purchases.

### Is Bourdon Wiersma Test free?

Bourdon Wiersma Test is free to download, with no in-app purchases.

### Do Cognition Snapshot + or Bourdon Wiersma Test have ads?

Neither Cognition Snapshot + nor Bourdon Wiersma Test shows ads.

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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.*