# CoatingMaster vs Fox River MedSpa

The clearest difference is update cadence: Fox River MedSpa at fortnightly against CoatingMaster's every 7 months. CoatingMaster's advantage is iOS requirement (11.0 vs 16.0). 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.

CoatingMaster ships an update every 7 months, Fox River MedSpa fortnightly. The most recent releases landed on June 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CoatingMaster | Fox River MedSpa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 14 MB | 191 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海军 欧阳](https://appshunter.io/developer/1284631051) | [Fox River Spa & Salon](https://appshunter.io/developer/1618493942) |

## What reviewers say

### CoatingMaster

[App page](https://appshunter.io/ios/app/coatingmaster/id1336000948)

This dual-purpose instrument uses magnetic and eddy current methods to measure the thickness of coatings on both magnetic and non-magnetic metal substrates. It features automatic substrate identification, multiple calibration options, and a negative display function for enhanced accuracy. The device offers audible prompts and both manual and automatic power-off modes.

**Highlights:** Magnetic and eddy current measurement, Automatic substrate identification, Single and two-point calibration, Basic calibration correction, Negative display for zero point accuracy, Audible prompts, Manual and automatic power-off

**Features:** macOS Compatibility

**In-app purchases:** none


### Fox River MedSpa

[App page](https://appshunter.io/ios/app/fox-river-medspa/id1618493940)

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

**In-app purchases:** none


## Frequently asked questions

### Is CoatingMaster free?

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

### Is Fox River MedSpa free?

Fox River MedSpa is free to download, with no in-app purchases.

### Do CoatingMaster or Fox River MedSpa have ads?

Neither CoatingMaster nor Fox River MedSpa shows ads.

### Which is updated more often, CoatingMaster or Fox River MedSpa?

CoatingMaster ships an update every 7 months, and Fox River MedSpa fortnightly. Most recently, CoatingMaster was updated on June 25, 2026 and Fox River MedSpa on September 24, 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.*