# Lesion Area Mapping Assistant vs Derma.Log

The clearest difference is in-app purchases: Lesion Area Mapping Assistant at none against Derma.Log's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Derma.Log sells 1 in-app purchase, starting at $1.99 per month. Lesion Area Mapping Assistant asks for nothing beyond the download.

Lesion Area Mapping Assistant ships an update every 4 weeks, Derma.Log fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Lesion Area Mapping Assistant | Derma.Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 75 MB | 35 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Thalocan Research Innovations, LLC](https://appshunter.io/developer/1751968718) | [STEFAN STRANGE CHRISTENSEN](https://appshunter.io/developer/1896483470) |

## What reviewers say

### Lesion Area Mapping Assistant

[App page](https://appshunter.io/ios/app/lesion-area-mapping-assistant/id6504364279)

**In-app purchases:** none


### Derma.Log

[App page](https://appshunter.io/ios/app/dermalog/id6767522002)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $1.99 | per month |


## Frequently asked questions

### Is Lesion Area Mapping Assistant free?

Lesion Area Mapping Assistant is free to download, with no in-app purchases.

### Is Derma.Log free?

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

### Do Lesion Area Mapping Assistant or Derma.Log have ads?

Neither Lesion Area Mapping Assistant nor Derma.Log shows ads.

### Which is updated more often, Lesion Area Mapping Assistant or Derma.Log?

Lesion Area Mapping Assistant ships an update every 4 weeks, and Derma.Log fortnightly. Most recently, Lesion Area Mapping Assistant was updated on October 24, 2026 and Derma.Log on October 24, 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.*