# smart vs CoatInspect Pro

The clearest difference is in-app purchases: smart at none against CoatInspect Pro's 2. smart also leads on iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

smart ships an update monthly, CoatInspect Pro every 4 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | smart | 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 | Monthly | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 16 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [QI Automotive Co.,Ltd](https://appshunter.io/developer/1635704762) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### smart

[App page](https://appshunter.io/ios/app/smart-controller/id6476338294)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoatInspect Pro

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

This app provides essential coating inspection calculations and reference guides for professionals working in environments with limited internet access. It offers tools for dry film thickness, dew point, ambient conditions, spread rate, and abrasive consumption, all functioning offline.

**Highlights:** DFT/WFT Calculator, Dew Point Calculator, Ambient Condition Check, Spread Rate Calculator, Surface Profile Calculator, Abrasive Consumption Calculator, Offline Reference Guides

**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 smart free?

smart 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 smart or CoatInspect Pro have ads?

Neither smart nor CoatInspect Pro shows ads.

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

smart ships an update monthly, and CoatInspect Pro every 4 weeks. Most recently, smart was updated on October 25, 2026 and CoatInspect Pro on October 28, 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.*