# IVA Testing System vs Inquisit 6

The clearest difference is review sentiment: Inquisit 6 at 33% against IVA Testing System's 0%. Inquisit 6 also leads on update cadence (every 5 weeks vs every 4 months) and ratings volume (47 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Inquisit 6 holds the better App Store score, 2.5 against 2.3. That said, the two scores are not equally well evidenced: Inquisit 6 has 47 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of IVA Testing System's written reviews are positive against 33% of Inquisit 6's.

IVA Testing System ships an update every 4 months, Inquisit 6 every 5 weeks. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | IVA Testing System | Inquisit 6 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/iva-testing-system/id1096104945/reviews) | **[2.5 (47 ratings)](https://appshunter.io/ios/app/inquisit-6/id1454428461/reviews)** |
| Number of ratings | 3 | **47** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 193 MB | 17 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [BrainTrain Inc.](https://appshunter.io/developer/584469134) | [Millisecond Software, LLC](https://appshunter.io/developer/1038263771) |

## What reviewers say

### 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


### Inquisit 6

[App page](https://appshunter.io/ios/app/inquisit-6/id1454428461)

Conduct or participate in psychological research studies on iOS devices. This tool allows researchers to administer tests and surveys in various settings, supporting both online and offline modes for remote participation.

**Highlights:** Conduct psychological research, Participate in research studies, Administer neuropsychological tests, Support for online and offline modes, Customizable test programming, Supports over 100 psychological tests

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IVA Testing System free?

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

### Is Inquisit 6 free?

Inquisit 6 is free to download, with no in-app purchases.

### Which has better reviews, IVA Testing System or Inquisit 6?

Inquisit 6 is rated higher. IVA Testing System averages 2.3 out of 5 from 3 ratings, while Inquisit 6 averages 2.5 from 47 ratings.

### Do IVA Testing System or Inquisit 6 have ads?

Neither IVA Testing System nor Inquisit 6 shows ads.

### Which is updated more often, IVA Testing System or Inquisit 6?

IVA Testing System ships an update every 4 months, and Inquisit 6 every 5 weeks. Most recently, IVA Testing System was updated on June 1, 2026 and Inquisit 6 on September 25, 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.*