# Derm Ko vs Piik Mall

The clearest difference is iOS requirement: Derm Ko at 10.0 against Piik Mall'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.

Derm Ko ships an update every 2 weeks, Piik Mall every 4 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Derm Ko | Piik Mall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 63 MB | 69 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Theom Buntheoun](https://appshunter.io/developer/1477603956) | [PIIK MALL TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1368534802) |

## What reviewers say

### Derm Ko

[App page](https://appshunter.io/ios/app/derm-ko/id6449586967)

**Features:** macOS Compatibility

**In-app purchases:** none


### Piik Mall

[App page](https://appshunter.io/ios/app/piik-mall/id6747326263)

**In-app purchases:** none


## Frequently asked questions

### Is Derm Ko free?

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

### Is Piik Mall free?

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

### Do Derm Ko or Piik Mall have ads?

Neither Derm Ko nor Piik Mall shows ads.

### Which is updated more often, Derm Ko or Piik Mall?

Derm Ko ships an update every 2 weeks, and Piik Mall every 4 weeks. Most recently, Derm Ko was updated on October 8, 2026 and Piik Mall on October 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.*