ACC.26 Wellness Challenge vs CarDSPlus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACC.26 Wellness Challenge
This app supports a wellness challenge for event attendees, encouraging healthy activities and friendly competition. It is backed by major healthcare organizations.
- Wellness challenge support
- Healthy activity tracking
- Friendly competition
- Event attendee engagement
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App supporting the American College of Cardiology’s ACC.26 Wellness Challenge, supported by Novo Nordisk and GE Healthcare. The Challenge encourages event attendees to engage in healthy activities and some friendly competition.
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.
- 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
Verdict
The clearest difference is rating: CarDSPlus at 5.0 against ACC.26 Wellness Challenge's 3.7. CarDSPlus also leads on update cadence (every 3 weeks vs every 12 months). ACC.26 Wellness Challenge's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CarDSPlus holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
ACC.26 Wellness Challenge ships an update every 12 months, CarDSPlus every 3 weeks. The most recent releases landed on October 24, 2026 and September 25, 2026 respectively.
| Parameter | ACC.26 Wellness Challenge | CarDSPlus |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 | 3 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 82 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | American College of Cardiology | Rohan Khera |
Customer experience
ACC.26 Wellness Challenge
CarDSPlus
In-app purchases
ACC.26 Wellness Challenge
No in-app purchases
CarDSPlus
No in-app purchases



