Comparison

HAS vs IDSA Practice Guidelines

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

Head to head
About

HAS

Features
Read full description

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.

About

IDSA Practice Guidelines

Access and stay updated with the latest clinical guidelines from the Infectious Diseases Society of America. This app offers interactive tools, search functionality, and the ability to bookmark key information and take notes for healthcare professionals.

Highlights
  • Access clinical guidelines
  • Interactive tools
  • Search guidelines
  • Bookmark pages
  • Take notes
Features
Read full description

Access the Infectious Diseases Society of America (IDSA) guidelines app anytime, anywhere! Download the app today and stay up-to-date on IDSA clinical guidelines, interactive tools, and new resources. The app contains features to search through guidelines, bookmark important pages and take notes on key information. Visit the IDSA app for new guidelines that are released throughout the year and new updates to existing guidelines. Disclaimer: The Infectious Diseases Society of America (IDSA) provides this app (“App)” for health care professionals only, and not the general public. The App is provided for informational purposes only, and it is not intended to provide medical or treatment advice and may not be treated as such by the user. As such, this App may not be relied upon for the purposes of medical diagnosis or as a recommendation for medical care or treatment. The information on this App is not a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images and information, contained on or available through this App is for general information purposes only.

Screenshots

HAS1 screens
IDSA Practice Guidelines4 screens

Verdict

The call

The clearest difference is price: IDSA Practice Guidelines at Free against HAS's $0.99. HAS's advantage is update cadence (every 3 weeks vs every 7 months) and iOS requirement (8.0 vs 12.0). 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

CostPrice · In-app purchases · Ads · Monetization

IDSA Practice Guidelines is free to download; HAS costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HAS ships an update every 3 weeks, IDSA Practice Guidelines every 7 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
HAS versus IDSA Practice Guidelines: the parameters behind the verdict, then further details
ParameterHASIDSA Practice Guidelines
Price$0.99Free — better
Rating—4.8 (559 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—559 — better
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better12.0
Further details — not scored
Size9 MB105 MB
Age rating17+17+
DeveloperTimo StridInfectious Diseases Society of America

In-app purchases

None

HAS

No in-app purchases

None

IDSA Practice Guidelines

No in-app purchases

Questions

Is HAS free?
HAS costs $0.99, with no in-app purchases.
Is IDSA Practice Guidelines free?
IDSA Practice Guidelines is free to download, with no in-app purchases.
Do HAS or IDSA Practice Guidelines have ads?
Neither HAS nor IDSA Practice Guidelines shows ads.
Which is updated more often, HAS or IDSA Practice Guidelines?
HAS ships an update every 3 weeks, and IDSA Practice Guidelines every 7 months. Most recently, HAS was updated on October 6, 2026 and IDSA Practice Guidelines on October 12, 2026.

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