# tkDerm touch vs SCARLETRED®Vision

The clearest difference is update cadence: SCARLETRED®Vision at fortnightly against tkDerm touch's every 6 months. SCARLETRED®Vision also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

tkDerm touch ships an update every 6 months, SCARLETRED®Vision fortnightly. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | tkDerm touch | SCARLETRED®Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tkderm-touch/id392501316/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 3 MB | 86 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manabu Inuzuka](https://appshunter.io/developer/392501319) | [SCARLETRED Holding GmbH](https://appshunter.io/developer/1134518389) |

## What reviewers say

### tkDerm touch

[App page](https://appshunter.io/ios/app/tkderm-touch/id392501316)

This app provides dermatologists with a digital database to store, organize, and search clinical photos of skin conditions. It allows for efficient retrieval of images based on patient names, diagnoses, or eruption distribution, aiding in clinical practice and patient follow-up.

**Highlights:** Store and search dermatological photos, Local or server-based database options, Use internal or digital cameras, Automatic data mapping via timestamps, Search by patient name, diagnosis, or eruption distribution, Side-by-side photo comparison, Image zooming and pinching for detail

**Features:** macOS Compatibility

**In-app purchases:** none


### SCARLETRED®Vision

[App page](https://appshunter.io/ios/app/scarletredvision/id1492349774)

**In-app purchases:** none


## Frequently asked questions

### Is tkDerm touch free?

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

### Is SCARLETRED®Vision free?

SCARLETRED®Vision is free to download, with no in-app purchases.

### Do tkDerm touch or SCARLETRED®Vision have ads?

Neither tkDerm touch nor SCARLETRED®Vision shows ads.

### Which is updated more often, tkDerm touch or SCARLETRED®Vision?

tkDerm touch ships an update every 6 months, and SCARLETRED®Vision fortnightly. Most recently, tkDerm touch was updated on September 7, 2026 and SCARLETRED®Vision on September 10, 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.*