# Guide Prescrire vs AT

The clearest difference is review sentiment: Guide Prescrire at 50% against AT's 20%. Guide Prescrire also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, 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.

Guide Prescrire ships an update every 7 months, AT every 6 months. The most recent releases landed on September 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Guide Prescrire | AT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 84 MB | 84 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Association Mieux Prescrire](https://appshunter.io/developer/1229723701) | [Actions Traitements](https://appshunter.io/developer/1377566686) |

## What reviewers say

### Guide Prescrire

[App page](https://appshunter.io/ios/app/guide-prescrire/id1383713958)

This medical decision support tool helps healthcare professionals choose the most effective, safe, and appropriate treatments. It provides updated information organized for easy use in clinical settings. A free discovery mode offers access to practical scenarios.

**Highlights:** Decision support for treatment selection, Updated medical information, Organized for clinical use, Free discovery mode, Focus on effective and safe treatments

**Features:** Vision Pro support

**In-app purchases:** none


### AT

[App page](https://appshunter.io/ios/app/at-prep/id1665141713)

This app helps users adhere to their PrEP medication schedule with customizable reminders and follow-up notifications. It also allows tracking of medical appointments, sexual activity, emotions, and menstrual cycles, with a feature to check for drug interactions.

**Highlights:** PrEP medication reminders, On-demand and continuous PrEP tracking, Post-reminder follow-up notifications, Medical appointment logging, Sexual activity and emotion tracking, Menstrual cycle tracking, Drug interaction checker

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

**In-app purchases:** none


## Frequently asked questions

### Is Guide Prescrire free?

Guide Prescrire is free to download, with no in-app purchases.

### Is AT free?

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

### Do Guide Prescrire or AT have ads?

Neither Guide Prescrire nor AT shows ads.

### Which is updated more often, Guide Prescrire or AT?

Guide Prescrire ships an update every 7 months, and AT every 6 months. Most recently, Guide Prescrire was updated on September 21, 2026 and AT on October 8, 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.*