# CRS vs CoatInspect Pro

The clearest difference is in-app purchases: CRS at none against CoatInspect Pro's 2. CRS also leads on update cadence (every 9 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CoatInspect Pro sells 2 in-app purchases, starting at $1.99 per 7 days. CRS asks for nothing beyond the download.

CRS ships an update every 9 days, CoatInspect Pro every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CRS | CoatInspect Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/coatinspect-pro-coating-calc/id6761478001/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 18 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Girol Consulting S.L.](https://appshunter.io/developer/1602374190) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### CRS

[App page](https://appshunter.io/ios/app/crs/id6496132367)

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

**In-app purchases:** none


### CoatInspect Pro

[App page](https://appshunter.io/ios/app/coatinspect-pro-coating-calc/id6761478001)

This app provides a comprehensive toolkit for coating inspection professionals, offering offline calculations for dry/wet film thickness, dew point, and ambient conditions. It also includes reference guides for coating standards and abrasive types, designed for use in environments with unreliable internet access.

**Highlights:** DFT/WFT calculator, Dew Point calculator, Ambient condition check, Spread Rate calculator (Premium), Surface Profile calculator (Premium), Abrasive Consumption calculator (Premium), Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Annual Premium | $19.99 | per year |


## Frequently asked questions

### Is CRS free?

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

### Is CoatInspect Pro free?

CoatInspect Pro is free to download, with in-app purchases available.

### Do CRS or CoatInspect Pro have ads?

Neither CRS nor CoatInspect Pro shows ads.

### Which is updated more often, CRS or CoatInspect Pro?

CRS ships an update every 9 days, and CoatInspect Pro every 5 weeks. Most recently, CRS was updated on November 4, 2026 and CoatInspect Pro on November 5, 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.*