# IDSA Practice Guidelines vs ClinicalKey AI

IDSA Practice Guidelines and ClinicalKey AI both sit at 4.8 stars, but that hides the real split: 100% of ClinicalKey AI's written reviews are positive against 0% of IDSA Practice Guidelines's. ClinicalKey AI also leads on update cadence (monthly vs every 7 months). IDSA Practice Guidelines's advantage is ratings volume (828 vs 12) and iOS requirement (12.0 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClinicalKey AI holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: IDSA Practice Guidelines has 828 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 0% of IDSA Practice Guidelines's written reviews are positive against 100% of ClinicalKey AI's.

IDSA Practice Guidelines ships an update every 7 months, ClinicalKey AI monthly. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | IDSA Practice Guidelines | ClinicalKey AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (828 ratings)](https://appshunter.io/ios/app/idsa-practice-guidelines/id1478886375/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/clinicalkey-ai/id6739815480/reviews)** |
| Number of ratings | **828** | 12 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 105 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Infectious Diseases Society of America](https://appshunter.io/developer/1477996603) | [Elsevier Inc.](https://appshunter.io/developer/367031326) |

## 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


### ClinicalKey AI

[App page](https://appshunter.io/ios/app/clinicalkey-ai/id6739815480)

This app leverages generative AI to provide healthcare professionals with quick, evidence-based clinical insights. It allows for conversational search and offers transparent references for all AI-generated responses, supporting high-quality patient care and continuing education.

**Highlights:** AI-powered clinical insights, Conversational search, Transparent references, CME integration, Evidence-based medical content

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

**In-app purchases:** none


## Frequently asked questions

### Is IDSA Practice Guidelines free?

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

### Is ClinicalKey AI free?

ClinicalKey AI is free to download, with no in-app purchases.

### Which has better reviews, IDSA Practice Guidelines or ClinicalKey AI?

ClinicalKey AI is rated higher. IDSA Practice Guidelines averages 4.8 out of 5 from 828 ratings, while ClinicalKey AI averages 5.0 from 12 ratings.

### Do IDSA Practice Guidelines or ClinicalKey AI have ads?

Neither IDSA Practice Guidelines nor ClinicalKey AI shows ads.

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

IDSA Practice Guidelines ships an update every 7 months, and ClinicalKey AI monthly. Most recently, IDSA Practice Guidelines was updated on October 29, 2026 and ClinicalKey AI on October 11, 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.*