Comparison

REDCapCloud vs CarDSPlus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

REDCapCloud

Features
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The REDCap Cloud Mobile EDC App streamlines the data capture process, empowering clinical research coordinators, labs, and sites to collect research data offline on their mobile devices. This is useful in situations when there is no Internet connection available. Data can be captured and then automatically synced when Internet connectivity is available. In order to use the REDCap Cloud Mobile EDC app, you need to be a participant in a REDCap Cloud project with a user account before being able to access the project in the app. Features & Benefits Include: Offline research data capture Barcode scanning for quick data entry, lab codes, and device codes Secure source data capture directly from participants by restricting app access during data entry Collection of various data types, such as text, barcodes, photos, videos, signatures, and audio Support for multiple languages Deployment in single or multi-user mode The application uses Apple's ResearchKit library to conduct clinical trials.

About

CarDSPlus

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
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CarDS+ is developed by the Cardiovascular Data Science (CarDS) Lab to support participants enrolled in approved clinical studies. The app securely connects with supported wearable devices, including Apple Watch and Fitbit, to collect health data such as activity, heart rate, and ECGs. All data is encrypted during transfer and stored on secure, cloud-based servers. Data is used only for research purposes in accordance with the study protocol and relevant ethics approvals. CarDS+ is intended solely for participants in CarDS Lab–led studies. If you are not enrolled in a study, the app will not provide functionality. Individual studies that require more data will set up a secure system to collect any further information necessary and is mutually agreed. Supported iOS versions: 16.6 and up. DISCLAIMER: This mobile application provides general information and resources related to health and wellness topics for educational and informational purposes only. The content provided through this application is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always Consult a Qualified Healthcare Provider: Users of this application are strongly advised to consult with a qualified healthcare provider, such as a licensed physician, before making any decisions related to their health. This includes, but is not limited to, decisions about medical conditions, treatments, medications, or any other health-related concerns. The information provided in this application should not be considered as medical advice, endorsement, or recommendation of any specific healthcare provider, treatment, or medication. No Doctor-Patient Relationship: The use of this application does not establish a doctor-patient relationship between the user and the developers, owners, or content providers of this application. The information provided here is general in nature and may not be applicable to specific individual cases. Individual health situations and needs vary, and appropriate healthcare professionals should always be consulted for any health-related concerns. Emergency Situations: In case of a medical emergency, users should immediately contact their local emergency services number or go to the nearest emergency room. This application is not designed or intended for use in emergency situations. Reliance on Information: Any reliance on the information provided by this application is solely at the user's own risk. The developers, owners, and content providers of this application make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability of the information contained within the application. By using this application, the user acknowledges and agrees to the terms of this disclaimer. If the user does not agree with these terms, they should not use this application.

Screenshots

REDCapCloud4 screens
CarDSPlus4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
REDCapCloud versus CarDSPlus: the parameters behind the verdict, then further details
ParameterREDCapCloudCarDSPlus
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size62 MB9 MB
Age rating4+4+
DevelopernPhase, Inc.Rohan Khera

In-app purchases

None

REDCapCloud

No in-app purchases

None

CarDSPlus

No in-app purchases

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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