# IVA Testing System vs ADHD

The clearest difference is rating: ADHD at 2.9 against IVA Testing System's 2.3. ADHD also leads on review sentiment (15% vs 0%). IVA Testing System's advantage is in-app purchases (none vs 7) and iOS requirement (11.0 vs 14.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ADHD sells 7 in-app purchases, starting at $4.99 per month. IVA Testing System asks for nothing beyond the download.

ADHD holds the better App Store score, 2.9 against 2.3. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 0% of IVA Testing System's written reviews are positive against 15% of ADHD's.

IVA Testing System ships an update every 4 months, ADHD every 3 months. The most recent releases landed on June 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | IVA Testing System | ADHD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/iva-testing-system/id1096104945/reviews) | **[2.9 (7 ratings)](https://appshunter.io/ios/app/adhd-cognitive-research/id1412022818/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | **15.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 193 MB | 299 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BrainTrain Inc.](https://appshunter.io/developer/584469134) | [CogniFit](https://appshunter.io/developer/528285613) |

## 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


### ADHD

[App page](https://appshunter.io/ios/app/adhd-cognitive-research/id1412022818)

Participate in scientific studies investigating cognitive aspects of ADHD. This app provides digital tools for researchers to evaluate and stimulate cognitive functions like attention, memory, and coordination in individuals with ADHD. It is for research purposes only and does not diagnose or treat the disorder.

**Highlights:** Participate in ADHD studies, Cognitive evaluation tools, Attention assessment, Memory testing, Hand-eye coordination tasks, Research focused

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription 75% Off | $4.99 | per month |
| Monthly Subscription 50% Off | $9.99 | per month |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription 75% Off | $22.99 | per year |
| Yearly Subscription 50% Off | $44.99 | per year |
| Yearly Subscription | $89.99 | per year |
| Assessment - Full price | $49.99 | one-time |


## Frequently asked questions

### Is IVA Testing System free?

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

### Is ADHD free?

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

### Which has better reviews, IVA Testing System or ADHD?

ADHD is rated higher. IVA Testing System averages 2.3 out of 5 from 3 ratings, while ADHD averages 2.9 from 7 ratings.

### Do IVA Testing System or ADHD have ads?

Neither IVA Testing System nor ADHD shows ads.

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

IVA Testing System ships an update every 4 months, and ADHD every 3 months. Most recently, IVA Testing System was updated on June 1, 2026 and ADHD on September 26, 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.*