# Bluetooth Control vs TKKG

The clearest difference is price: Bluetooth Control at Free against TKKG's $6.99. TKKG's advantage is review sentiment (87% vs 50%) and update cadence (every 10 days vs every 111 months). On ads, in-app purchases and device support there is nothing between them.

Bluetooth Control is free to download; TKKG costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bluetooth Control ships an update every 111 months, TKKG every 10 days. The most recent releases landed on October 24, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Bluetooth Control | TKKG |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/tkkg-die-feuerprobe/id1437129192/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 50.0% of reviews | **86.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 111 months | **Every 10 days** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 417 MB |
| Requires iOS | 26.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [A B](https://appshunter.io/developer/1024482339) | [United Soft Media Verlag GmbH](https://appshunter.io/developer/330111789) |

## What reviewers say

### Bluetooth Control

[App page](https://appshunter.io/ios/app/bluetooth-control/id1224148948)

This application allows users to control a specific Bluetooth receiver integrated into fischertechnik models. It enables interaction with various new fischertechnik constructions released since March 2017.

**Highlights:** Control Bluetooth receiver, Works with fischertechnik models, Enables interaction with constructions

**Features:** Vision Pro support

**In-app purchases:** none


### TKKG

[App page](https://appshunter.io/ios/app/tkkg-die-feuerprobe/id1437129192)

Embark on a new mystery with the TKKG detective team. Investigate a boarding school plagued by rumors of blackmail and intimidation, uncovering a complex plot involving a disgruntled teacher and self-proclaimed "guardian angels."

**Highlights:** New TKKG case, Detective adventure gameplay, Original voice actors, Explore familiar and new locations, Play as Tim, Karl, Klößchen, and Gaby, Suitable for ages 10+

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth Control free?

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

### Is TKKG free?

TKKG costs $6.99, with no in-app purchases.

### Do Bluetooth Control or TKKG have ads?

Neither Bluetooth Control nor TKKG shows ads.

### Which is updated more often, Bluetooth Control or TKKG?

Bluetooth Control ships an update every 111 months, and TKKG every 10 days. Most recently, Bluetooth Control was updated on October 24, 2026 and TKKG on November 2, 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.*