# 筑作 vs D

The clearest difference is in-app purchases: D at none against 筑作's 6. D also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 筑作 sells 6 one-off in-app purchases. D asks for nothing beyond the download.

筑作 ships an update monthly, D weekly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 筑作 | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-controls-smarthome/id1422753588/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 308 MB | 82 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Yunlang Information Technology Co., Ltd.](https://appshunter.io/developer/1344163979) | [Hangzhou D-Haus Technology Co.,Ltd.](https://appshunter.io/developer/540292612) |

## What reviewers say

### 筑作

[App page](https://appshunter.io/ios/app/3d/id1347668798)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 1个月 | $6.99 | one-time |
| AI积分2500点 | $6.99 | one-time |
| VIP 3个月 | $19.99 | one-time |
| AI积分7500点 | $19.99 | one-time |
| AI积分15000点 | $39.99 | one-time |
| VIP 12个月 | $69.99 | one-time |


### D

[App page](https://appshunter.io/ios/app/d-controls-smarthome/id1422753588)

Control lights, air conditioning, ventilation, and more remotely via KNX hardware. Manage an entire building's systems with intuitive touch controls on a floor plan.

**Highlights:** Remote lighting control, Air conditioning management, Ventilation system control, Floor plan interface, Building system management, Security system integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 筑作 free?

筑作 is free to download, with in-app purchases available.

### Is D free?

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

### Do 筑作 or D have ads?

Neither 筑作 nor D shows ads.

### Which is updated more often, 筑作 or D?

筑作 ships an update monthly, and D weekly. Most recently, 筑作 was updated on October 9, 2026 and D on October 10, 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.*