# STEINEL DCS™ vs 4D

The clearest difference is iOS requirement: 4D at 13.0 against STEINEL DCS™'s 15.6. 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STEINEL DCS™ | 4D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/steinel-dcs/id6470199158/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | — |
| Size | 27 MB | 34 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steinel GmbH](https://appshunter.io/developer/1030890616) | [4D Bios Inc.](https://appshunter.io/developer/1443704111) |

## What reviewers say

### STEINEL DCS™

[App page](https://appshunter.io/ios/app/steinel-dcs/id6470199158)

This app enables wireless commissioning of lighting, plug load, and HVAC systems through a Bluetooth connection. It integrates occupancy sensors, photo sensors, and switches for code-compliant solutions. Features include relay control, dimming zones, and daylight harvesting.

**Highlights:** Wireless commissioning via Bluetooth, Load and HVAC integration, Occupancy and photo sensor integration, 3 x 20A Relays with current monitoring, 3 x 0-10v Dimming Zones, Daylight Harvesting, BACnet integration

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

**In-app purchases:** none


### 4D

[App page](https://appshunter.io/ios/app/4d-cube/id6633422311)

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

**In-app purchases:** none


## Frequently asked questions

### Is STEINEL DCS™ free?

STEINEL DCS™ is free to download, with no in-app purchases.

### Is 4D free?

4D is free to download, with no in-app purchases.

### Do STEINEL DCS™ or 4D have ads?

Neither STEINEL DCS™ nor 4D shows ads.

### Which is updated more often, STEINEL DCS™ or 4D?

STEINEL DCS™ ships an update every 2 weeks, and 4D every 2 weeks. Most recently, STEINEL DCS™ was updated on October 7, 2026 and 4D on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*