Cardio Valve vs Responsum for CKD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cardio Valve
This tool assists echocardiography professionals in evaluating the function of implanted prosthetic cardiac valves. It offers guidelines for assessing existing valves and selecting the optimal valve before implantation, based on extensive research.
- Assess implanted prosthetic valves
- Select optimal prosthetic valves
- Evaluate normal function, mismatch, or dysfunction
- Calculate minimum Effective Orifice Area (EOA)
- Guidance based on published research
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Cardio Valve is an innovative mobile tool developed to support echocardiography professionals in their effort of assesing the functionality of implanted prosthetic cardiac valves. The application provides guidelines for assesing an already implanted valve (Check Prosthesis) and for choosing a valve before implantation (Optimal Prosthesis). The algorithms behind the App have been derived after an extensive research of the published materials on the aortic and mitral prosthetic valve assessment. - Check Prosthesis After selecting a particular valve type, the patient characteristics (weight/height) and the prosthesis actual parameters (peak velocity, mean gradient, VTI prosthesis, VTI LVOT and LVOTd), Cardio Valve will provide the user with an answer regarding the normal function of the valve, the potential patient prosthesis mismatch or the intrinsic prosthesis dysfunction. - Optimal Prosthesis The user will be required to select a valve position (aortic/mitral) and the patient characteristics (weight/height) and Cardio Valve will instantly indicate the minimum Effective Orifice Area (EOA) in order to avoid Patient Prosthesis Mismatch (PPM).
Responsum for CKD
Access curated summaries of CKD research, treatments, and living tips vetted by experts. Connect with a patient community, store your medical information in a secure One-Sheet, and find resources like clinical trials and support groups.
- CKD article summaries
- Patient community connection
- Secure Patient One-Sheet
- Access to clinical trials
- Financial assistance resources
- Patient support groups
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Key Features: • With the Responsum for CKD app, you’ll receive a continuous stream of updated, CKD-related article summaries on every important topic, including research, treatments, and living tips - all vetted by an independent Content Advisory Council made up of leading experts. • Connect with other patients like you and join a growing patient community to share stories, advice, and experiences. • Keep everything in one place with our Patient One-Sheet, a secure, printable, and shareable form that allows you to easily store and maintain all your basic information – doctors, insurance info, medications, and their dosages, and other key data. • Find access to useful resources such as clinical trials, financial assistance, and patient support groups. "Responsum Health reminds our community members that content on our platform is not meant to be taken as medical advice; but rather helpful and informative insights to help you manage your condition and under the care of your physician. It's imperative that you work with your doctor and get their insights before making any changes, adjustments or modifications to your established care plan."
Screenshots
Verdict
Cardio Valve and Responsum for CKD both sit at 4.8 stars, but that hides the real split: 100% of Responsum for CKD's written reviews are positive against 50% of Cardio Valve's. Responsum for CKD also leads on ratings volume (178 vs 4). Cardio Valve's advantage is iOS requirement (9.0 vs 12.0). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.8 for Cardio Valve against 4.9 for Responsum for CKD. That said, the two scores are not equally well evidenced: Responsum for CKD has 178 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 50% of Cardio Valve's written reviews are positive against 100% of Responsum for CKD's.
Cardio Valve ships an update every 5 weeks, Responsum for CKD every 3 weeks. The most recent releases landed on September 18, 2026 and July 29, 2026 respectively.
| Parameter | Cardio Valve | Responsum for CKD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) | 4.9 (178 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 178 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 3 MB | 66 MB |
| Age rating | 17+ | 17+ |
| Developer | Digimednet BV | Responsum Inc |
Customer experience
Cardio Valve
Responsum for CKD
In-app purchases
Cardio Valve
No in-app purchases
Responsum for CKD
No in-app purchases







