# Coating Inspector vs Corrodere Academy

The clearest difference is in-app purchases: Corrodere Academy at none against Coating Inspector's 4. Corrodere Academy also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Coating Inspector sells 4 in-app purchases, starting at $14.99 per month. Corrodere Academy asks for nothing beyond the download.

## The numbers

| Metric | Coating Inspector | Corrodere Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 43 MB | 29 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) | [Corrodere limited](https://appshunter.io/developer/1581980770) |

## What reviewers say

### Coating Inspector

[App page](https://appshunter.io/ios/app/coating-inspector/id6744104002)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $14.99 | per month |
| Yearly: Subscription | $29.00 | per year |
| 12 Months Plan | $29.00 | per year |
| Premium Yearly | $44.99 | per year |


### Corrodere Academy

[App page](https://appshunter.io/ios/app/corrodere-academy/id6755813441)

**In-app purchases:** none


## Frequently asked questions

### Is Coating Inspector free?

Coating Inspector is free to download, with in-app purchases available.

### Is Corrodere Academy free?

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

### Do Coating Inspector or Corrodere Academy have ads?

Neither Coating Inspector nor Corrodere Academy shows ads.

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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.*