# Keyng vs Raumbuch

The clearest difference is iOS requirement: Keyng at 15.0 against Raumbuch's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keyng ships an update every 2 months, Raumbuch every 3 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Keyng | Raumbuch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 51 MB | 16 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Uhlmann & Zacher GmbH](https://appshunter.io/developer/1413776543) | [Wolfgang Kaiser](https://appshunter.io/developer/1862438726) |

## What reviewers say

### Keyng

[App page](https://appshunter.io/ios/app/keyng/id1450613501)

Manage electronic locking systems from your smartphone. Authorize transponder keys, invite users, and update firmware for Clex private systems. Ideal for small to medium-sized buildings.

**Highlights:** Bluetooth® Low Energy communication, Manage electronic locking cylinders and handles, Authorize and manage transponder keys, Invite users to open locks via smartphone, Update firmware and read event logs, NFC identification for keys

**Features:** macOS Compatibility

**In-app purchases:** none


### Raumbuch

[App page](https://appshunter.io/ios/app/raumbuch/id6756708865)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keyng free?

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

### Is Raumbuch free?

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

### Do Keyng or Raumbuch have ads?

Neither Keyng nor Raumbuch shows ads.

### Which is updated more often, Keyng or Raumbuch?

Keyng ships an update every 2 months, and Raumbuch every 3 months. Most recently, Keyng was updated on October 20, 2026 and Raumbuch on October 19, 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.*