# Smarthome uControl vs DKR數位鑰匙圈

The clearest difference is update cadence: Smarthome uControl at every 3 weeks against DKR數位鑰匙圈's every 2 months. Smarthome uControl also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Smarthome uControl ships an update every 3 weeks, DKR數位鑰匙圈 every 2 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smarthome uControl | DKR數位鑰匙圈 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 90 MB | 40 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chinfu Hung](https://appshunter.io/developer/1330079717) | [Chunghwa Telecommunication Laboratories](https://appshunter.io/developer/378453709) |

## What reviewers say

### Smarthome uControl

[App page](https://appshunter.io/ios/app/smarthome-ucontrol/id1543657955)

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

**In-app purchases:** none


### DKR數位鑰匙圈

[App page](https://appshunter.io/ios/app/dkr/id6760325186)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smarthome uControl free?

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

### Is DKR數位鑰匙圈 free?

DKR數位鑰匙圈 is free to download, with no in-app purchases.

### Do Smarthome uControl or DKR數位鑰匙圈 have ads?

Neither Smarthome uControl nor DKR數位鑰匙圈 shows ads.

### Which is updated more often, Smarthome uControl or DKR數位鑰匙圈?

Smarthome uControl ships an update every 3 weeks, and DKR數位鑰匙圈 every 2 months. Most recently, Smarthome uControl was updated on November 3, 2026 and DKR數位鑰匙圈 on October 28, 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.*