# T.A.C.T. vs Bourdon Wiersma Test

The clearest difference is in-app purchases: Bourdon Wiersma Test at none against T.A.C.T.'s 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. T.A.C.T. sells 1 one-off in-app purchase. Bourdon Wiersma Test asks for nothing beyond the download.

## The numbers

| Metric | T.A.C.T. | Bourdon Wiersma Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tact/id849194153/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 44 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Push Interactions, Inc.](https://appshunter.io/developer/357410200) | [Yellow Riders](https://appshunter.io/developer/1209479274) |

## What reviewers say

### T.A.C.T.

[App page](https://appshunter.io/ios/app/tact/id849194153)

This app is a continuous performance test designed to measure errors of commission, omission, and scoring variability over 15 minutes. It can help demonstrate clinical response to stimulant medication and is part of ADHD assessment and treatment.

**Highlights:** Measures errors of commission and omission, Assesses scoring variability, Provides a total score, Offers minute-by-minute scoring, Demonstrates clinical response to medication, Used for research purposes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock more then five patients | $69.99 | one-time |


### 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 T.A.C.T. free?

T.A.C.T. is free to download, with in-app purchases available.

### Is Bourdon Wiersma Test free?

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

### Do T.A.C.T. or Bourdon Wiersma Test have ads?

Neither T.A.C.T. 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.*