# REDCap Mobile App vs ZEISS Connect

The clearest difference is rating: REDCap Mobile App at 4.5 against ZEISS Connect's 3.0. REDCap Mobile App also leads on update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price, ratings volume, 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 holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

REDCap Mobile App ships an update every 3 weeks, ZEISS Connect every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | REDCap Mobile App | ZEISS Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/redcap-mobile-app/id972760478/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/zeiss-connect/id1094165037/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 26 MB | 183 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Vanderbilt University Medical Center](https://appshunter.io/developer/1114939673) | [Carl Zeiss AG](https://appshunter.io/developer/488066215) |

## 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


### ZEISS Connect

[App page](https://appshunter.io/ios/app/zeiss-connect/id1094165037)

This application connects to a surgical microscope to streamline documentation workflows. It allows for patient communication, image and video capture, editing, and management. The app supports controlling microscope settings and integrating with archiving solutions.

**Highlights:** Wireless surgical microscope connection, Patient communication and education, Standardized video/image documentation, Patient data management, Image and video editing, Microscope illumination and camera control, Archiving solution integration

**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 ZEISS Connect free?

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

### Which has better reviews, REDCap Mobile App or ZEISS Connect?

REDCap Mobile App is rated higher. REDCap Mobile App averages 4.5 out of 5 from 4 ratings, while ZEISS Connect averages 3.0 from 2 ratings.

### Do REDCap Mobile App or ZEISS Connect have ads?

Neither REDCap Mobile App nor ZEISS Connect shows ads.

### Which is updated more often, REDCap Mobile App or ZEISS Connect?

REDCap Mobile App ships an update every 3 weeks, and ZEISS Connect every 4 months. Most recently, REDCap Mobile App was updated on November 1, 2026 and ZEISS Connect on November 2, 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.*