# Mohs Appropriate Use Criteria vs Dermoscopy Two Step Algorithm

The clearest difference is rating: Mohs Appropriate Use Criteria at 5.0 against Dermoscopy Two Step Algorithm's 4.6. Dermoscopy Two Step Algorithm's advantage is review sentiment (100% vs 75%) and iOS requirement (10.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mohs Appropriate Use Criteria holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews complicate that: 75% of Mohs Appropriate Use Criteria's written reviews are positive against 100% of Dermoscopy Two Step Algorithm's, so the app with the better star average is not the one people write more warmly about.

Mohs Appropriate Use Criteria ships an update every 8 months, Dermoscopy Two Step Algorithm every 5 months. The most recent releases landed on August 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Mohs Appropriate Use Criteria | Dermoscopy Two Step Algorithm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/mohs-appropriate-use-criteria/id692790649/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/dermoscopy-two-step-algorithm/id731753300/reviews) |
| Number of ratings | 6 | **10** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 13 MB | 220 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [American Academy of Dermatology](https://appshunter.io/developer/514894395) | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) |

## What reviewers say

### Mohs Appropriate Use Criteria

[App page](https://appshunter.io/ios/app/mohs-appropriate-use-criteria/id692790649)

This app provides systematic decision support for determining the appropriateness of Mohs surgery for skin cancer treatment. It guides users through various scenarios, tumor characteristics, and patient factors, offering color-coded body maps and clinical algorithms.

**Highlights:** Decision support for 270 scenarios, Guided navigation for tumor/patient factors, Color-coded body maps, Supplemental clinical algorithms, Quick reference sharing

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

**In-app purchases:** none


### Dermoscopy Two Step Algorithm

[App page](https://appshunter.io/ios/app/dermoscopy-two-step-algorithm/id731753300)

This app guides healthcare professionals in interpreting dermoscopic patterns to identify skin lesions. It uses a series of questions and provides over 80 images and charts to aid in diagnosis. Interactive cases are included for practice.

**Highlights:** Dermoscopic pattern interpretation, Question-based diagnostic guidance, Over 80 photos and charts, 50 interactive diagnostic cases, Offline functionality, Melanocytic and non-melanocytic lesion analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is Mohs Appropriate Use Criteria free?

Mohs Appropriate Use Criteria is free to download, with no in-app purchases.

### Is Dermoscopy Two Step Algorithm free?

Dermoscopy Two Step Algorithm is free to download, with no in-app purchases.

### Which has better reviews, Mohs Appropriate Use Criteria or Dermoscopy Two Step Algorithm?

Mohs Appropriate Use Criteria is rated higher. Mohs Appropriate Use Criteria averages 5.0 out of 5 from 6 ratings, while Dermoscopy Two Step Algorithm averages 4.6 from 10 ratings.

### Do Mohs Appropriate Use Criteria or Dermoscopy Two Step Algorithm have ads?

Neither Mohs Appropriate Use Criteria nor Dermoscopy Two Step Algorithm shows ads.

### Which is updated more often, Mohs Appropriate Use Criteria or Dermoscopy Two Step Algorithm?

Mohs Appropriate Use Criteria ships an update every 8 months, and Dermoscopy Two Step Algorithm every 5 months. Most recently, Mohs Appropriate Use Criteria was updated on August 1, 2026 and Dermoscopy Two Step Algorithm on September 11, 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.*