# T.A.C.T. vs IVA Testing System

The clearest difference is rating: T.A.C.T. at 3.7 against IVA Testing System's 2.3. IVA Testing System's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 10 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. T.A.C.T. sells 1 one-off in-app purchase. IVA Testing System asks for nothing beyond the download.

T.A.C.T. holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

T.A.C.T. ships an update every 10 months, IVA Testing System every 4 months. The most recent releases landed on June 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | T.A.C.T. | IVA Testing System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tact/id849194153/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/iva-testing-system/id1096104945/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 193 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) | [BrainTrain Inc.](https://appshunter.io/developer/584469134) |

## 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 |


### IVA Testing System

[App page](https://appshunter.io/ios/app/iva-testing-system/id1096104945)

This medical software assists healthcare professionals in remotely administering, scoring, and interpreting specific psychological tests for attention and cognitive functioning. It serves as a decision support tool within a comprehensive evaluation, not as a standalone diagnostic instrument.

**Highlights:** Remote test administration, Scoring and interpretation support, Decision support for healthcare professionals, Supports IVA-2, IVA-AE2, IVA-QS tests, Aids in attention and cognitive functioning evaluation

**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 IVA Testing System free?

IVA Testing System is free to download, with no in-app purchases.

### Which has better reviews, T.A.C.T. or IVA Testing System?

T.A.C.T. is rated higher. T.A.C.T. averages 3.7 out of 5 from 3 ratings, while IVA Testing System averages 2.3 from 3 ratings.

### Do T.A.C.T. or IVA Testing System have ads?

Neither T.A.C.T. nor IVA Testing System shows ads.

### Which is updated more often, T.A.C.T. or IVA Testing System?

T.A.C.T. ships an update every 10 months, and IVA Testing System every 4 months. Most recently, T.A.C.T. was updated on June 8, 2026 and IVA Testing System on June 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.*