# NIH Toolbox vs TabCAT

The clearest difference is rating: TabCAT at 5.0 against NIH Toolbox's 1.0. TabCAT also leads on in-app purchases (none vs 5) and ratings volume (3 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NIH Toolbox sells 5 in-app purchases, starting at $0.99 per 7 days. TabCAT asks for nothing beyond the download.

TabCAT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

NIH Toolbox ships an update every 3 months, TabCAT every 4 months. The most recent releases landed on July 18, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | NIH Toolbox | TabCAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/nih-toolbox/id1002228307/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tabcat/id1541698082/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 714 MB | 205 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Glinberg & Associates, Inc.](https://appshunter.io/developer/981361720) | [University of California at San Francisco](https://appshunter.io/developer/446489325) |

## What reviewers say

### NIH Toolbox

[App page](https://appshunter.io/ios/app/nih-toolbox/id1002228307)

This legacy app provides a comprehensive set of measures for cognitive, emotional, motor, and sensory function in individuals aged 3-85. Designed for research and clinical use, it offers streamlined workflows for over 50 tests. Note: this version will be retired in June 2028.

**Highlights:** Cognitive, emotional, motor, sensory function assessment, Ages 3-85, Research and clinical use, Streamlined workflows, Over 50 tests, Crosswalk among measures

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NIH Toolbox Assessments | $0.99 | per 7 days |
| NIH Toolbox Assessments | $499.99 | per year |
| NIH Toolbox Assessments | $499.99 | per year |
| NIH Toolbox Assessments | $499.99 | per year |
| NIH Toolbox Assessments | $1299.99 | per year |


### TabCAT

[App page](https://appshunter.io/ios/app/tabcat/id1541698082)

This medical tool offers a suite of cognitive tests for assessing executive function, memory, language, motor skills, and visuospatial abilities. It also includes multidimensional questionnaires for subjects, informants, and examiners, designed for standardized measurement in clinical and research settings.

**Highlights:** Cognitive tests, Executive function assessment, Memory assessment, Language assessment, Motor skills assessment, Visuospatial skills assessment, Multidimensional questionnaires

**In-app purchases:** none


## Frequently asked questions

### Is NIH Toolbox free?

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

### Is TabCAT free?

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

### Which has better reviews, NIH Toolbox or TabCAT?

TabCAT is rated higher. NIH Toolbox averages 1.0 out of 5 from 1 ratings, while TabCAT averages 5.0 from 3 ratings.

### Do NIH Toolbox or TabCAT have ads?

Neither NIH Toolbox nor TabCAT shows ads.

### Which is updated more often, NIH Toolbox or TabCAT?

NIH Toolbox ships an update every 3 months, and TabCAT every 4 months. Most recently, NIH Toolbox was updated on July 18, 2026 and TabCAT on August 29, 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.*