DeviceAID vs ABCSizing
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
DeviceAID
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DeviceAID is an educational application with many categories of devices used in both diagnostic Cath as well as interventional cardiology. With hundreds of devices to keep in your head, having a tool to get to the key few numbers can be invaluable. A basics section introduces devices, and the library section allows for the searching and filtering of devices based on some key characteristics. Current sections include Catheters, stents, balloons, atherectomy devices, access, closure, and more. Devices can be added to your personal favorites list for easy access later. For those who want to refine their knowledge of devices, quizzes with correct answer explanations are available.
ABCSizing
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The app helps clinicians accurately size bicuspid valves for TAVR procedures. Simply input CT scan parameters to receive personalized valve size, inflation volume, and alternative size recommendations. It also evaluates valve fit on important anatomical paramaters like LVOT and annulus, allowing real-time adjustments for precise outcomes. Ideal for optimizing procedural planning and enhancing clinical decision-making. Disclaimer: This app is designed for use by licensed physicians and healthcare professionals. It is intended for informational and reference purposes only and should not be used as a sole source for clinical decision-making. The app's recommendations are based on clinical guidelines and data; however, individual patient circumstances may vary. Users are responsible for exercising their professional judgment when interpreting and applying the app's suggestions. For further information regarding the underlying protocols and citations, please refer to the Support URL provided.
Screenshots
Verdict
The clearest difference is ads: ABCSizing at none against DeviceAID's shown. ABCSizing also leads on update cadence (every 3 weeks vs every 14 months) and iOS requirement (15.1 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DeviceAID ships an update every 14 months, ABCSizing every 3 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | DeviceAID | ABCSizing |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 3 weeks โ better |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 60 MB | 26 MB |
| Age rating | 12+ | 17+ |
| Developer | Cardiology Apps LLC | Tej Sheth |
In-app purchases
DeviceAID
No in-app purchases
ABCSizing
No in-app purchases









