# D vs On Pro

The clearest difference is update cadence: D at weekly against On Pro's every 2 weeks. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for D against 5.0 for On Pro. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

D ships an update weekly, On Pro every 2 weeks. The most recent releases landed on July 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | D | On Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/d-controls-smarthome/id1422753588/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/on-pro/id1532353432/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 82 MB | 247 MB |
| Requires iOS | 12.4 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou D-Haus Technology Co.,Ltd.](https://appshunter.io/developer/540292612) | [HDL Automation Co., Ltd](https://appshunter.io/developer/1256347409) |

## What reviewers say

### 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


### On Pro

[App page](https://appshunter.io/ios/app/on-pro/id1532353432)

Control your home's smart devices remotely for a more convenient and comfortable life. Manage lighting, security, appliances, and environmental systems with intuitive controls. Create custom scenes and automations for a personalized smart living experience.

**Highlights:** Intelligent device control, Smart scene creation, Automation logic, Personalized settings, Member management, Room and function classification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is On Pro free?

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

### Which has better reviews, D or On Pro?

D and On Pro are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do D or On Pro have ads?

Neither D nor On Pro shows ads.

### Which is updated more often, D or On Pro?

D ships an update weekly, and On Pro every 2 weeks. Most recently, D was updated on July 5, 2026 and On Pro on September 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.*