# echOpen ON vs SkinApp

The clearest difference is iOS requirement: SkinApp at 13.0 against echOpen ON's 17.0. 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.

echOpen ON ships an update every 4 months, SkinApp every 5 months. The most recent releases landed on September 12, 2026 and August 2, 2026 respectively.

## The numbers

| Metric | echOpen ON | SkinApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 67 MB | 35 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [echopen factory](https://appshunter.io/developer/1530808488) | [ANAPIX](https://appshunter.io/developer/1268839195) |

## What reviewers say

### echOpen ON

[App page](https://appshunter.io/ios/app/echopen-on/id1664469384)

**In-app purchases:** none


### SkinApp

[App page](https://appshunter.io/ios/app/skinapp/id6479317133)

**In-app purchases:** none


## Frequently asked questions

### Is echOpen ON free?

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

### Is SkinApp free?

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

### Do echOpen ON or SkinApp have ads?

Neither echOpen ON nor SkinApp shows ads.

### Which is updated more often, echOpen ON or SkinApp?

echOpen ON ships an update every 4 months, and SkinApp every 5 months. Most recently, echOpen ON was updated on September 12, 2026 and SkinApp on August 2, 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.*