# REDCapCloud vs CarDSPlus

The clearest difference is update cadence: CarDSPlus at every 3 weeks against REDCapCloud's every 2 months. REDCapCloud's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). 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.

REDCapCloud ships an update every 2 months, CarDSPlus every 3 weeks. The most recent releases landed on May 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | REDCapCloud | CarDSPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cardsplus/id6470764242/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 62 MB | 9 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [nPhase, Inc.](https://appshunter.io/developer/1190952044) | [Rohan Khera](https://appshunter.io/developer/1709545475) |

## What reviewers say

### REDCapCloud

[App page](https://appshunter.io/ios/app/redcapcloud-medc/id6447260400)

**Features:** macOS Compatibility

**In-app purchases:** none


### CarDSPlus

[App page](https://appshunter.io/ios/app/cardsplus/id6470764242)

This app securely collects health data from supported wearable devices for participants in approved clinical studies. It encrypts and stores data for research purposes, adhering to study protocols and ethics approvals. Functionality is limited to enrolled study participants.

**Highlights:** Secure wearable device connection, Activity and heart rate tracking, ECG data collection, Encrypted data transfer and storage, Research-purpose data utilization, Study-specific functionality

**In-app purchases:** none


## Frequently asked questions

### Is REDCapCloud free?

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

### Is CarDSPlus free?

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

### Do REDCapCloud or CarDSPlus have ads?

Neither REDCapCloud nor CarDSPlus shows ads.

### Which is updated more often, REDCapCloud or CarDSPlus?

REDCapCloud ships an update every 2 months, and CarDSPlus every 3 weeks. Most recently, REDCapCloud was updated on May 19, 2026 and CarDSPlus on June 1, 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.*