# Dermatomes vs Surgery Exchange

The clearest difference is price: Surgery Exchange at Free against Dermatomes's $0.99. Surgery Exchange also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 64%). Dermatomes's advantage is iOS requirement (11.0 vs 15.1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Surgery Exchange is free to download; Dermatomes costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Surgery Exchange holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 64% of Dermatomes's written reviews are positive against 100% of Surgery Exchange's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Dermatomes | Surgery Exchange |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/dermatomes/id371093098/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/surgery-exchange/id6740490281/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 63.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 17 MB | 42 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Codev Ltd](https://appshunter.io/developer/341774650) | [MedTech Exchange, Inc.](https://appshunter.io/developer/1790220229) |

## What reviewers say

### Dermatomes

[App page](https://appshunter.io/ios/app/dermatomes/id371093098)

This app offers a detailed, zoomable map of spinal nerve roots and their corresponding skin sensation areas. It includes charts of important landmarks and is designed for medical professionals and students as a quick reference for neuroanatomy.

**Highlights:** Zoomable dermatome map, Anterior and posterior views, Cutaneous nerve distribution, Reference chart of landmarks, Pinch-to-zoom functionality

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

**In-app purchases:** none


### Surgery Exchange

[App page](https://appshunter.io/ios/app/surgery-exchange/id6740490281)

This HIPAA-compliant software streamlines the "Bill Only" implant surgery workflow for providers. It manages scheduling, case planning, usage capture, and purchase order issuance, ensuring contract compliance and improving revenue cycle management.

**Highlights:** HIPAA/PHI compliant, Manages "Bill Only" implant workflow, Supports case planning, Captures usage data, Automates purchase orders, Ensures contract compliance, Improves revenue cycle management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dermatomes free?

Dermatomes costs $0.99, with no in-app purchases.

### Is Surgery Exchange free?

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

### Which has better reviews, Dermatomes or Surgery Exchange?

Surgery Exchange is rated higher. Dermatomes averages 3.0 out of 5 from 4 ratings, while Surgery Exchange averages 5.0 from 2 ratings.

### Do Dermatomes or Surgery Exchange have ads?

Neither Dermatomes nor Surgery Exchange shows ads.

### Which is updated more often, Dermatomes or Surgery Exchange?

Dermatomes ships an update every 6 weeks, and Surgery Exchange every 6 weeks. Most recently, Dermatomes was updated on October 15, 2026 and Surgery Exchange on September 28, 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.*