# OBSERV 520 vs icoone Touch

The clearest difference is update cadence: icoone Touch at every 3 weeks against OBSERV 520's every 4 months. icoone Touch also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

OBSERV 520 ships an update every 4 months, icoone Touch every 3 weeks. The most recent releases landed on June 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OBSERV 520 | icoone Touch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/observ-520/id781554722/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 26 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [InnoFaith beauty sciences B.V.](https://appshunter.io/developer/583003631) | [I-TECH INDUSTRIES S.r.l.](https://appshunter.io/developer/1213969036) |

## What reviewers say

### OBSERV 520

[App page](https://appshunter.io/ios/app/observ-520/id781554722)

This professional skin analysis tool uses an iPad and specialized device to visualize skin conditions not visible to the naked eye. It aids in diagnosing, planning treatments, and advising clients on personalized skincare and product recommendations. The app allows for easy capture and comparison of before-and-after images to monitor treatment progress.

**Highlights:** Full-face skin analysis, Epidermal and dermal layer diagnosis, Targeted treatment planning, Personalized product advice, Live visualization of skin conditions, Before and after image monitoring, Multiple light modes (Daylight, Wood's/UV/Cross/Parallel Polarization)

**In-app purchases:** none


### icoone Touch

[App page](https://appshunter.io/ios/app/icoone-touch/id6478300032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OBSERV 520 free?

OBSERV 520 is free to download, with no in-app purchases.

### Is icoone Touch free?

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

### Do OBSERV 520 or icoone Touch have ads?

Neither OBSERV 520 nor icoone Touch shows ads.

### Which is updated more often, OBSERV 520 or icoone Touch?

OBSERV 520 ships an update every 4 months, and icoone Touch every 3 weeks. Most recently, OBSERV 520 was updated on June 4, 2026 and icoone Touch on September 19, 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.*