# IDSA Practice Guidelines vs IlÚM Engage

The clearest difference is update cadence: IlÚM Engage at every 3 months against IDSA Practice Guidelines's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

IDSA Practice Guidelines ships an update every 7 months, IlÚM Engage every 3 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | IDSA Practice Guidelines | IlÚM Engage |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 105 MB | 16 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Infectious Diseases Society of America](https://appshunter.io/developer/1477996603) | [Infectious Disease Connect, Inc.](https://appshunter.io/developer/1520242987) |

## 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


### IlÚM Engage

[App page](https://appshunter.io/ios/app/ilum-engage/id1593443525)

**Features:** macOS Compatibility

**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 IlÚM Engage free?

IlÚM Engage is free to download, with no in-app purchases.

### Do IDSA Practice Guidelines or IlÚM Engage have ads?

Neither IDSA Practice Guidelines nor IlÚM Engage shows ads.

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

IDSA Practice Guidelines ships an update every 7 months, and IlÚM Engage every 3 months. Most recently, IDSA Practice Guidelines was updated on September 23, 2026 and IlÚM Engage on September 18, 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.*