HAS vs DAPT Risk Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HAS
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HAS-BLED bleeding risk calculator. Base on the article in Chest. 2010;138(5):1093-1100. doi:10.1378/chest.10-0134. The calculator estimates one year risk of major bleeding when using warfarin in atrial fibrillation. SOG's calculator has been designed with ease of use and clarity in mind. All selections are made on a single page and you can see the risk score and risk assessment change as you switch the options.
DAPT Risk Calculator
This tool helps clinicians assess the risk and benefit of continuing dual antiplatelet therapy (DAPT) for patients at least 12 months post-PCI. It provides a numerical DAPT Risk Score and calculates the percentage risk for key cardiovascular events.
- DAPT Risk Score calculation
- Risk/benefit analysis for DAPT continuation
- Percentage risk for MI
- Percentage risk for Stent Thrombosis/MACCE
- Percentage risk for Bleeding
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The ACC DAPT Risk Calculator provides clinical decision support for clinicians evaluating the continuation of DAPT therapy for patients at least 12 months post-PCI procedure, and the risk/benefit of continuing or discontinuing DAPT. The App provides a DAPT Risk Score as a numerical value between -2 and +9, where a Higher DAPT scores suggest that the benefit/risk ratio with prolonged DAPT may be favorable. Conversely, lower DAPT scores suggest that the benefit/risk ratio with prolonged DAPT is NOT favorable. The clinical decision support tool also calculates the percentage of risk for three end points: - Myocardial infarction (MI) - Stent thrombosis, major adverse cardiovascular and cerebrovascular events (MACCE) - Bleeding
Screenshots
Verdict
The clearest difference is price: DAPT Risk Calculator at Free against HAS's $0.99. HAS's advantage is update cadence (every 3 weeks vs every 17 months) and iOS requirement (8.0 vs 13.0). On ads, in-app purchases and device support 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
DAPT Risk Calculator is free to download; HAS costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HAS ships an update every 3 weeks, DAPT Risk Calculator every 17 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.
| Parameter | HAS | DAPT Risk Calculator |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 46 MB |
| Age rating | 17+ | 12+ |
| Developer | Timo Strid | American College of Cardiology |
In-app purchases
HAS
No in-app purchases
DAPT Risk Calculator
No in-app purchases
Questions
Is HAS free?
Is DAPT Risk Calculator free?
Do HAS or DAPT Risk Calculator have ads?
Which is updated more often, HAS or DAPT Risk Calculator?
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