# J vs NIH Toolbox V3

The clearest difference is in-app purchases: J at none against NIH Toolbox V3's 3. J also leads on update cadence (weekly vs every 2 months) and rating (5.0 vs 4.7). On price, ratings volume and ads there is nothing between them.

Both are free to download. NIH Toolbox V3 sells 3 in-app purchases, starting at $599.99 per year. J asks for nothing beyond the download.

J holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

J ships an update weekly, NIH Toolbox V3 every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | J | NIH Toolbox V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/j-tip/id1492507545/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/nih-toolbox-v3/id1627119550/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Subscription |
| Size | 17 MB | 938 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [National Medical Products Inc.](https://appshunter.io/developer/937098057) | [Toolbox Assessments, Inc.](https://appshunter.io/developer/1724444781) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-tip/id1492507545)

This medical system offers a virtually pain-free injection experience, enhancing patient satisfaction. It is utilized by over 400 hospitals and has helped more than 5 million patients. Tutorial videos are available for training, alongside user guides and instructions for use.

**Highlights:** Needle-free injection system, Virtually pain-free procedures, Improves patient satisfaction, Used in 400+ hospitals, Tutorial videos for training, User guide and instructions for use

**Features:** macOS Compatibility

**In-app purchases:** none


### NIH Toolbox V3

[App page](https://appshunter.io/ios/app/nih-toolbox-v3/id1627119550)

This app provides a comprehensive set of measures to assess cognitive, emotional, motor, and sensory functions in individuals aged 3-85. Designed for research and clinical use, it offers streamlined workflows and a user interface for over 50 measures, enabling data pooling and crosswalk analysis.

**Highlights:** Cognitive, emotional, motor, sensory function assessment, Ages 3-85, Streamlined workflows and UI, Over 50 measures, Crosswalk among measures, Includes PROMIS tests

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access on 2 iPads | $599.99 | per year |
| Access on 6 iPads | $1499.99 | per year |
| Access on 10 iPads | $2499.99 | per year |


## Frequently asked questions

### Is J free?

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

### Is NIH Toolbox V3 free?

NIH Toolbox V3 is free to download, with in-app purchases available.

### Which has better reviews, J or NIH Toolbox V3?

J is rated higher. J averages 5.0 out of 5 from 3 ratings, while NIH Toolbox V3 averages 4.7 from 3 ratings.

### Do J or NIH Toolbox V3 have ads?

Neither J nor NIH Toolbox V3 shows ads.

### Which is updated more often, J or NIH Toolbox V3?

J ships an update weekly, and NIH Toolbox V3 every 2 months. Most recently, J was updated on November 3, 2026 and NIH Toolbox V3 on November 3, 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.*