# Omni vs SURF

The clearest difference is review sentiment: SURF at 67% against Omni's 0%. Omni's advantage is monetization model (free vs subscription) and update cadence (every 11 days vs every 5 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Omni sells 10 one-off in-app purchases and SURF sells 1 in-app purchase, starting at $99.99 per year. Whichever you choose, the download price is not the number that matters.

Omni ships an update every 11 days, SURF every 5 months. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Omni | SURF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 months |
| Monetization | **Free** | Subscription |
| Size | 7 MB | 204 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Universite Laval](https://appshunter.io/developer/386592978) | [Philippe FURGER](https://appshunter.io/developer/1055742280) |

## What reviewers say

### Omni

[App page](https://appshunter.io/ios/app/omni/id811432794)

This app provides frontline healthcare professionals with practical guides for diagnosing, evaluating, and treating common cardiorespiratory diseases. It offers access to the latest therapeutic recommendations, developed in collaboration with leading medical experts.

**Highlights:** Cardiorespiratory disease guides, Latest therapeutic recommendations, Practical diagnostic tools, Treatment evaluation, Collaboration with medical experts

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insuffisance rénale | $0.99 | one-time |
| Insuffisance cardiaque | $0.99 | one-time |
| Maladie arterielle peripherique | $0.99 | one-time |
| La maladie coronarienne - partie 1 | $0.99 | one-time |
| La maladie coronarienne - partie 2 | $0.99 | one-time |
| Les antiplaquettaires | $0.99 | one-time |
| La toux | $0.99 | one-time |
| Guide pratique sur le diagnostic et le traitement des MPOC | $0.99 | one-time |
| La sinusite | $0.99 | one-time |
| L'arrêt tabagique | $0.99 | one-time |


### SURF

[App page](https://appshunter.io/ios/app/surf/id1055743301)

Access evidence-based medical content for internal medicine, differential diagnosis, and lab values. This comprehensive guide is designed for residents, general practitioners, and specialists, offering a vast amount of information from multiple expert-authored books.

**Highlights:** Evidence-based medical content, Differential diagnosis of symptoms, Lab value interpretation, Comprehensive internal medicine, Links to external calculators, Accessible on multiple devices

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year | $99.99 | per year |


## Frequently asked questions

### Is Omni free?

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

### Is SURF free?

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

### Do Omni or SURF have ads?

Neither Omni nor SURF shows ads.

### Which is updated more often, Omni or SURF?

Omni ships an update every 11 days, and SURF every 5 months. Most recently, Omni was updated on September 17, 2026 and SURF on September 22, 2026.

---

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