# IDSA Practice Guidelines vs Clair

The clearest difference is in-app purchases: IDSA Practice Guidelines at none against Clair's 2. Clair's advantage is update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Clair sells 2 in-app purchases, starting at $9.99 per month. IDSA Practice Guidelines asks for nothing beyond the download.

IDSA Practice Guidelines ships an update every 7 months, Clair every 2 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IDSA Practice Guidelines | Clair |
| --- | --- | --- |
| Price | Free | 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** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 105 MB | 39 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Infectious Diseases Society of America](https://appshunter.io/developer/1477996603) | [Cary Rx Incorporated](https://appshunter.io/developer/1234910727) |

## What reviewers say

### 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


### Clair

[App page](https://appshunter.io/ios/app/clair-clinical-ai-reference/id6479413733)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clair Professional | $9.99 | per month |
| Clair Basic | $9.99 | per month |


## Frequently asked questions

### Is IDSA Practice Guidelines free?

IDSA Practice Guidelines is free to download, with no in-app purchases.

### Is Clair free?

Clair is free to download, with in-app purchases available.

### Do IDSA Practice Guidelines or Clair have ads?

Neither IDSA Practice Guidelines nor Clair shows ads.

### Which is updated more often, IDSA Practice Guidelines or Clair?

IDSA Practice Guidelines ships an update every 7 months, and Clair every 2 months. Most recently, IDSA Practice Guidelines was updated on October 12, 2026 and Clair on October 8, 2026.

---

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