# SLK vs Esthederm

The clearest difference is update cadence: Esthederm at every 3 weeks against SLK's every 9 months. 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.

SLK ships an update every 9 months, Esthederm every 3 weeks. The most recent releases landed on November 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SLK | Esthederm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 7 MB | 16 MB |
| Requires iOS | 12.4 | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SOTEC s.r.o.](https://appshunter.io/developer/937344300) | [Vladimir Gejdos](https://appshunter.io/developer/1589053158) |

## What reviewers say

### SLK

[App page](https://appshunter.io/ios/app/slk/id1635095114)

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

**In-app purchases:** none


### Esthederm

[App page](https://appshunter.io/ios/app/esthederm-salon/id6462401504)

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

**In-app purchases:** none


## Frequently asked questions

### Is SLK free?

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

### Is Esthederm free?

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

### Do SLK or Esthederm have ads?

Neither SLK nor Esthederm shows ads.

### Which is updated more often, SLK or Esthederm?

SLK ships an update every 9 months, and Esthederm every 3 weeks. Most recently, SLK was updated on November 7, 2026 and Esthederm on October 9, 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.*