# SURF vs IR Hemo Guide

The clearest difference is price: SURF at Free against IR Hemo Guide's $1.99. IR Hemo Guide's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 67%). On update cadence, ads and device support there is nothing between them.

SURF is free to download; IR Hemo Guide costs $1.99 up front. SURF sells 1 in-app purchase, starting at $99.99 per year. IR Hemo Guide asks for nothing beyond the download.

SURF ships an update every 5 months, IR Hemo Guide every 6 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SURF | IR Hemo Guide |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Subscription | **Paid** |
| Size | 204 MB | 15 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Philippe FURGER](https://appshunter.io/developer/1055742280) | [Francois Cote](https://appshunter.io/developer/1232728143) |

## What reviewers say

### 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 |


### IR Hemo Guide

[App page](https://appshunter.io/ios/app/ir-hemo-guide/id1232728144)

This application provides health professionals with quick recommendations for managing medication for patients undergoing radiology interventions. It focuses on guidance for stopping and restarting medications related to hemostasis.

**Highlights:** Hemostasis recommendations, Radiology intervention guidance, Medication management, Stop/restart medication advice, For health professionals

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

**In-app purchases:** none


## Frequently asked questions

### Is SURF free?

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

### Is IR Hemo Guide free?

IR Hemo Guide costs $1.99, with no in-app purchases.

### Do SURF or IR Hemo Guide have ads?

Neither SURF nor IR Hemo Guide shows ads.

### Which is updated more often, SURF or IR Hemo Guide?

SURF ships an update every 5 months, and IR Hemo Guide every 6 months. Most recently, SURF was updated on October 9, 2026 and IR Hemo Guide on October 7, 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.*