# General Surgery Instruments vs HC PrefNote

The clearest difference is in-app purchases: General Surgery Instruments at none against HC PrefNote's 2. General Surgery Instruments also leads on iOS requirement (13.0 vs 15.1). HC PrefNote's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. HC PrefNote sells 2 in-app purchases, starting at $4.99 per month. General Surgery Instruments asks for nothing beyond the download.

## The numbers

| Metric | General Surgery Instruments | HC PrefNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/general-surgery-instruments/id1552025649/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 27 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Roman Moiseev](https://appshunter.io/developer/1877504595) | [Zendi Labs LLC](https://appshunter.io/developer/1878852826) |

## What reviewers say

### General Surgery Instruments

[App page](https://appshunter.io/ios/app/general-surgery-instruments/id1552025649)

A visual reference for surgical tools, organized by function. Features over 300 high-quality images with descriptions and an interactive quiz mode to test knowledge. Designed for easy navigation and learning.

**Highlights:** 300+ high-quality images, Concise descriptions, Intuitive interface, Interactive 'Check Yourself' mode, Organized by practical use

**Features:** Vision Pro support

**In-app purchases:** none


### HC PrefNote

[App page](https://appshunter.io/ios/app/hc-prefnote/id6788975715)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HC PREFNOTE Pro | $4.99 | per month |
| HC PREFNOTE Pro | $39.99 | per year |


## Frequently asked questions

### Is General Surgery Instruments free?

General Surgery Instruments is free to download, with no in-app purchases.

### Is HC PrefNote free?

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

### Do General Surgery Instruments or HC PrefNote have ads?

General Surgery Instruments shows ads; HC PrefNote does not.

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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.*