# REDCap Mobile App vs Balance by NIH Toolbox V3

The clearest difference is update cadence: REDCap Mobile App at every 3 weeks against Balance by NIH Toolbox V3's every 17 months. REDCap Mobile App also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.2). On price, ads and in-app purchases there is nothing between them.

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

REDCap Mobile App ships an update every 3 weeks, Balance by NIH Toolbox V3 every 17 months. The most recent releases landed on September 11, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | REDCap Mobile App | Balance by NIH Toolbox V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/redcap-mobile-app/id972760478/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 17 months |
| Monetization | Free | — |
| Size | 26 MB | 1 MB |
| Requires iOS | **11.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| 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


### Balance by NIH Toolbox V3

[App page](https://appshunter.io/ios/app/balance-by-nih-toolbox-v3/id6448584619)

**In-app purchases:** none


## Frequently asked questions

### Is REDCap Mobile App free?

REDCap Mobile App is free to download, with no in-app purchases.

### Is Balance by NIH Toolbox V3 free?

Balance by NIH Toolbox V3 is free to download, with no in-app purchases.

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

Neither REDCap Mobile App nor Balance by NIH Toolbox V3 shows ads.

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

REDCap Mobile App ships an update every 3 weeks, and Balance by NIH Toolbox V3 every 17 months. Most recently, REDCap Mobile App was updated on September 11, 2026 and Balance by NIH Toolbox V3 on May 17, 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.*