# ACR vs KKT.Control

The clearest difference is review sentiment: ACR at 33% against KKT.Control's 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.

ACR ships an update every 3 months, KKT.Control every 6 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ACR | KKT.Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 33 MB | 219 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYSTEC INTELLIGENT TECHNOLOGY (TIANJIN) CO., LTD.](https://appshunter.io/developer/1517551292) | [KKT Kolbe Kuechentechnik GmbH & Co. KG](https://appshunter.io/developer/1567013565) |

## What reviewers say

### ACR

[App page](https://appshunter.io/ios/app/acr-bt/id1550537404)

Manage your standalone access control device using Bluetooth. This app allows for data management, device synchronization, and uses your smartphone as a virtual key for visitor authorization.

**Highlights:** Access control data management, Device data synchronization, Smartphone as virtual key, Visitor authorization, Bluetooth connectivity

**In-app purchases:** none


### KKT.Control

[App page](https://appshunter.io/ios/app/kktcontrol/id1567013563)

Effortlessly manage your KKT Kolbe kitchen appliances from your smartphone or tablet. Connect to WLAN, register, and gain intuitive control over functions like fan speed, lighting, and filter status.

**Highlights:** Control KKT Kolbe cooker hoods, Switch appliances on/off, Monitor charcoal filter operating hours, Adjust LED and RGB lighting, Manage fan levels, Utilize automatic run-on function

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

**In-app purchases:** none


## Frequently asked questions

### Is ACR free?

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

### Is KKT.Control free?

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

### Do ACR or KKT.Control have ads?

Neither ACR nor KKT.Control shows ads.

### Which is updated more often, ACR or KKT.Control?

ACR ships an update every 3 months, and KKT.Control every 6 months. Most recently, ACR was updated on June 1, 2026 and KKT.Control on September 8, 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.*