# HAS vs IDSA Practice Guidelines

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.

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.

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.

## The numbers

| Metric | HAS | IDSA Practice Guidelines |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (559 ratings)](https://appshunter.io/ios/app/idsa-practice-guidelines/id1478886375/reviews)** |
| Number of ratings | — | **559** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | — | Free |
| Size | 9 MB | 105 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Timo Strid](https://appshunter.io/developer/936682776) | [Infectious Diseases Society of America](https://appshunter.io/developer/1477996603) |

## What reviewers say

### HAS

[App page](https://appshunter.io/ios/app/has-bled/id936682777)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### IDSA Practice Guidelines

[App page](https://appshunter.io/ios/app/idsa-practice-guidelines/id1478886375)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*