# GL vs PMK Mannheim

The clearest difference is update cadence: GL at every 10 days against PMK Mannheim's every 20 months. 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.

GL ships an update every 10 days, PMK Mannheim every 20 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GL | PMK Mannheim |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 20 months |
| Monetization | Free | — |
| Size | 81 MB | 33 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kamil Raczka](https://appshunter.io/developer/1537079618) | [Miroslaw Dynia](https://appshunter.io/developer/1538154792) |

## What reviewers say

### GL

[App page](https://appshunter.io/ios/app/gl-smart-20/id1537079616)

This app helps you quickly assess a car's paint condition using a compatible Bluetooth gauge. Record measurements, add photos, and generate a PDF report for easy sharing or saving. It offers two measurement modes and stores vehicle data in one place.

**Highlights:** Bluetooth paint thickness measurement, General and element-specific measurement modes, Vehicle data storage (brand, model, VIN), Photo documentation, PDF report generation, Optional online audit storage

**Features:** Vision Pro support

**In-app purchases:** none


### PMK Mannheim

[App page](https://appshunter.io/ios/app/pmk-mannheim/id1540447729)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GL free?

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

### Is PMK Mannheim free?

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

### Do GL or PMK Mannheim have ads?

Neither GL nor PMK Mannheim shows ads.

### Which is updated more often, GL or PMK Mannheim?

GL ships an update every 10 days, and PMK Mannheim every 20 months. Most recently, GL was updated on October 24, 2026 and PMK Mannheim on October 27, 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.*