# REDCap Mobile App vs NIH Toolbox V3

The clearest difference is in-app purchases: REDCap Mobile App at none against NIH Toolbox V3's 3. REDCap Mobile App also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). NIH Toolbox V3's advantage is rating (4.7 vs 4.5). 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. REDCap Mobile App asks for nothing beyond the download.

NIH Toolbox V3 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

REDCap Mobile App ships an update every 3 weeks, NIH Toolbox V3 every 2 months. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | REDCap Mobile App | NIH Toolbox V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/redcap-mobile-app/id972760478/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/nih-toolbox-v3/id1627119550/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Subscription |
| Size | 26 MB | 938 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vanderbilt University Medical Center](https://appshunter.io/developer/1114939673) | [Toolbox Assessments, Inc.](https://appshunter.io/developer/1724444781) |

## What reviewers say

### REDCap Mobile App

[App page](https://appshunter.io/ios/app/redcap-mobile-app/id972760478)

Collect data offline for your REDCap projects. Download your project securely, gather information on your device, and sync it back to the server. Supports text, photos, videos, signatures, and audio.

**Highlights:** Offline data collection, Secure project download, Multi-user interface, Support for photos, videos, audio, and signatures, Activity logging for audit purposes, Participant data entry restriction

**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 REDCap Mobile App free?

REDCap Mobile App 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, REDCap Mobile App or NIH Toolbox V3?

NIH Toolbox V3 is rated higher. REDCap Mobile App averages 4.5 out of 5 from 4 ratings, while NIH Toolbox V3 averages 4.7 from 3 ratings.

### Do REDCap Mobile App or NIH Toolbox V3 have ads?

Neither REDCap Mobile App nor NIH Toolbox V3 shows ads.

### Which is updated more often, REDCap Mobile App or NIH Toolbox V3?

REDCap Mobile App ships an update every 3 weeks, and NIH Toolbox V3 every 2 months. Most recently, REDCap Mobile App was updated on September 11, 2026 and NIH Toolbox V3 on September 18, 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.*