# Coating Inspector vs EGK Microelectronic SB

The clearest difference is in-app purchases: EGK Microelectronic SB at none against Coating Inspector's 4. EGK Microelectronic SB also leads on update cadence (every 9 days vs every 5 months). Coating Inspector's advantage is iOS requirement (16.0 vs 18.5). 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. EGK Microelectronic SB asks for nothing beyond the download.

Coating Inspector ships an update every 5 months, EGK Microelectronic SB every 9 days. The most recent releases landed on September 6, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Coating Inspector | EGK Microelectronic SB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 43 MB | 7 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) | [Isaac Eng Gian Khor](https://appshunter.io/developer/1808933315) |

## 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 |


### EGK Microelectronic SB

[App page](https://appshunter.io/ios/app/egk-microelectronic-sb/id6752218755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coating Inspector free?

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

### Is EGK Microelectronic SB free?

EGK Microelectronic SB is free to download, with no in-app purchases.

### Do Coating Inspector or EGK Microelectronic SB have ads?

Neither Coating Inspector nor EGK Microelectronic SB shows ads.

### Which is updated more often, Coating Inspector or EGK Microelectronic SB?

Coating Inspector ships an update every 5 months, and EGK Microelectronic SB every 9 days. Most recently, Coating Inspector was updated on September 6, 2026 and EGK Microelectronic SB on August 14, 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.*