# tkDerm touch vs AKASI Calculator

The clearest difference is iOS requirement: AKASI Calculator at 13.0 against tkDerm touch's 15.6. On price, update cadence, 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.

tkDerm touch ships an update every 6 months, AKASI Calculator every 4 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | tkDerm touch | AKASI Calculator |
| --- | --- | --- |
| 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 | **Every 4 months** |
| Monetization | Free | — |
| Size | 3 MB | 37 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Manabu Inuzuka](https://appshunter.io/developer/392501319) | [Almirall SA](https://appshunter.io/developer/450127518) |

## 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


### AKASI Calculator

[App page](https://appshunter.io/ios/app/akasi-calculator/id1435758585)

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

**In-app purchases:** none


## Frequently asked questions

### Is tkDerm touch free?

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

### Is AKASI Calculator free?

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

### Do tkDerm touch or AKASI Calculator have ads?

Neither tkDerm touch nor AKASI Calculator shows ads.

### Which is updated more often, tkDerm touch or AKASI Calculator?

tkDerm touch ships an update every 6 months, and AKASI Calculator every 4 months. Most recently, tkDerm touch was updated on October 9, 2026 and AKASI Calculator on October 25, 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.*