# BarrierSystems ControlApp vs DPU

The clearest difference is update cadence: DPU at fortnightly against BarrierSystems ControlApp's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

BarrierSystems ControlApp ships an update every 8 months, DPU fortnightly. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | BarrierSystems ControlApp | DPU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 35 MB | 36 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BarrierSystems GmbH](https://appshunter.io/developer/1750464226) | [Hoai Nam Bui](https://appshunter.io/developer/1787188300) |

## What reviewers say

### BarrierSystems ControlApp

[App page](https://appshunter.io/ios/app/barriersystems-controlapp/id6503943341)

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

**In-app purchases:** none


### DPU

[App page](https://appshunter.io/ios/app/dpu-checkin/id6747793236)

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

**In-app purchases:** none


## Frequently asked questions

### Is BarrierSystems ControlApp free?

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

### Is DPU free?

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

### Do BarrierSystems ControlApp or DPU have ads?

Neither BarrierSystems ControlApp nor DPU shows ads.

### Which is updated more often, BarrierSystems ControlApp or DPU?

BarrierSystems ControlApp ships an update every 8 months, and DPU fortnightly. Most recently, BarrierSystems ControlApp was updated on September 29, 2026 and DPU on September 17, 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.*