# Guide AOD vs Chirurgie

The clearest difference is price: Guide AOD at Free against Chirurgie's $29.99. Chirurgie's advantage is iOS requirement (16.0 vs 18.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Guide AOD is free to download; Chirurgie costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Guide AOD ships an update every 2 months, Chirurgie every 4 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Guide AOD | Chirurgie |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Paid |
| Size | 3 MB | 84 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [L'Institut universitaire de cardiologie et de pneumologie de Québec (IUCPQ)](https://appshunter.io/developer/576953454) | [Messil inc.](https://appshunter.io/developer/333195172) |

## What reviewers say

### Guide AOD

[App page](https://appshunter.io/ios/app/guide-aod/id983984632)

This medical reference app provides healthcare professionals with practical information on direct oral anticoagulants. It covers indications, dosages, precautions, interactions, and patient management, including useful calculators for risk assessment and renal clearance.

**Highlights:** Direct oral anticoagulant information, Dosage and renal adjustment, Precautions and contraindications, Bleeding management, Peri/post-operative management, Risk assessment calculators

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

**In-app purchases:** none


### Chirurgie

[App page](https://appshunter.io/ios/app/chirurgie/id1066365766)

A practical guide for general surgery, this app provides essential information for surgeons, residents, and medical students. It synthesizes study notes for quick consultation and patient care, with features for adding personal notes and local practices.

**Highlights:** Practical general surgery guide, Synthesized material for quick consultation, Notes for study and patient care, Add personal notes and local practices, Content updated for relevance, Email for author communication

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Guide AOD free?

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

### Is Chirurgie free?

Chirurgie costs $29.99, with no in-app purchases.

### Do Guide AOD or Chirurgie have ads?

Neither Guide AOD nor Chirurgie shows ads.

### Which is updated more often, Guide AOD or Chirurgie?

Guide AOD ships an update every 2 months, and Chirurgie every 4 months. Most recently, Guide AOD was updated on October 26, 2026 and Chirurgie on October 26, 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.*