# REDCap Mobile App vs Gene Doe

The clearest difference is rating: REDCap Mobile App at 4.5 against Gene Doe's 4.0. On price, ratings volume, update cadence and ads 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 holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

REDCap Mobile App ships an update every 3 weeks, Gene Doe every 4 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | REDCap Mobile App | Gene Doe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/redcap-mobile-app/id972760478/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/gene-doe/id1470352738/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 26 MB | 48 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Vanderbilt University Medical Center](https://appshunter.io/developer/1114939673) | [Christopher Metts](https://appshunter.io/developer/1046317677) |

## 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


### Gene Doe

[App page](https://appshunter.io/ios/app/gene-doe/id1470352738)

This platform enables citizen science by connecting users with research studies. Researchers can publish protocols and collect data via HealthKit and ResearchKit, while users can enroll in studies after meeting screening requirements and providing consent.

**Highlights:** Citizen science platform, Research study participation, Data collection via HealthKit, ResearchKit ActiveTasks integration, Self-enrollment in studies

**Features:** macOS Compatibility

**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 Gene Doe free?

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

### Which has better reviews, REDCap Mobile App or Gene Doe?

REDCap Mobile App is rated higher. REDCap Mobile App averages 4.5 out of 5 from 4 ratings, while Gene Doe averages 4.0 from 3 ratings.

### Do REDCap Mobile App or Gene Doe have ads?

Neither REDCap Mobile App nor Gene Doe shows ads.

### Which is updated more often, REDCap Mobile App or Gene Doe?

REDCap Mobile App ships an update every 3 weeks, and Gene Doe every 4 weeks. Most recently, REDCap Mobile App was updated on October 7, 2026 and Gene Doe on September 30, 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.*