# Mole Mapper Melanoma Study vs SkinIO

The clearest difference is review sentiment: SkinIO at 96% against Mole Mapper Melanoma Study's 43%. SkinIO also leads on rating (4.6 vs 2.9) and update cadence (monthly vs every 3 months). Mole Mapper Melanoma Study's advantage is iOS requirement (12.0 vs 15.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SkinIO holds the better App Store score, 4.6 against 2.9. Both are backed by a comparable volume of ratings — 25 and 64 respectively. Written reviews point the same way: 43% of Mole Mapper Melanoma Study's written reviews are positive against 96% of SkinIO's.

Mole Mapper Melanoma Study ships an update every 3 months, SkinIO monthly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Mole Mapper Melanoma Study | SkinIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (25 ratings)](https://appshunter.io/ios/app/mole-mapper-melanoma-study/id1048337814/reviews) | **[4.6 (64 ratings)](https://appshunter.io/ios/app/skinio/id1161541232/reviews)** |
| Number of ratings | 25 | **64** |
| Positive reviews | 42.9% of reviews | **95.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 32 MB | 207 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Oregon Health & Science University Apps](https://appshunter.io/developer/1234363007) | [SkinIO, LLC](https://appshunter.io/developer/371459487) |

## What reviewers say

### Mole Mapper Melanoma Study

[App page](https://appshunter.io/ios/app/mole-mapper-melanoma-study/id1048337814)

This app allows users to map, measure, and monitor moles on their skin using their phone's camera and a reference coin. It helps track changes in size, shape, and color to aid in the early detection of potential skin cancers like melanoma.

**Highlights:** Map moles on skin, Measure mole size with camera, Monitor mole changes over time, Track size, shape, and color, Full-body mole mapping, Early skin cancer detection aid

**Features:** macOS Compatibility

**In-app purchases:** none


### SkinIO

[App page](https://appshunter.io/ios/app/skinio/id1161541232)

Empower your skin health with AI-driven mole mapping for early detection of skin cancer. Track changes over time with your iOS device or in-office, and securely share images with dermatologists for expert review. Receive timely results and maintain a living digital record of your skin.

**Highlights:** AI-driven mole mapping, DIY skin screening, Digital skin health record, Secure image sharing with dermatologists, Track skin changes over time, HIPAA-compliant data storage

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mole Mapper Melanoma Study free?

Mole Mapper Melanoma Study is free to download, with no in-app purchases.

### Is SkinIO free?

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

### Which has better reviews, Mole Mapper Melanoma Study or SkinIO?

SkinIO is rated higher. Mole Mapper Melanoma Study averages 2.9 out of 5 from 25 ratings, while SkinIO averages 4.6 from 64 ratings.

### Do Mole Mapper Melanoma Study or SkinIO have ads?

Neither Mole Mapper Melanoma Study nor SkinIO shows ads.

### Which is updated more often, Mole Mapper Melanoma Study or SkinIO?

Mole Mapper Melanoma Study ships an update every 3 months, and SkinIO monthly. Most recently, Mole Mapper Melanoma Study was updated on October 24, 2026 and SkinIO on October 26, 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.*