# KMG vs Door Assistant

The clearest difference is update cadence: Door Assistant at monthly against KMG's every 2 months. KMG's advantage is iOS requirement (8.0 vs 15.0). 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.

KMG ships an update every 2 months, Door Assistant monthly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KMG | Door Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 100 MB | 148 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GTE Industrieelektronik GmbH](https://appshunter.io/developer/1346626179) | [FEIG ELECTRONIC GmbH](https://appshunter.io/developer/1484784319) |

## What reviewers say

### KMG

[App page](https://appshunter.io/ios/app/kmg-lite/id1346626180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Door Assistant

[App page](https://appshunter.io/ios/app/door-assistant/id1484784320)

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

**In-app purchases:** none


## Frequently asked questions

### Is KMG free?

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

### Is Door Assistant free?

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

### Do KMG or Door Assistant have ads?

Neither KMG nor Door Assistant shows ads.

### Which is updated more often, KMG or Door Assistant?

KMG ships an update every 2 months, and Door Assistant monthly. Most recently, KMG was updated on October 7, 2026 and Door Assistant on October 25, 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.*