# DUO System vs Ditec Door Connect

DUO System and Ditec Door Connect are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DUO System ships an update every 9 months, Ditec Door Connect every 19 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DUO System | Ditec Door Connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 19 months |
| Monetization | Free | — |
| Size | 15 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aci Farfisa](https://appshunter.io/developer/1124362356) | [ASSA ABLOY Entrance Systems AB](https://appshunter.io/developer/1498896925) |

## What reviewers say

### DUO System

[App page](https://appshunter.io/ios/app/duo-system/id1492297534)

Easily program Farfisa Duo System devices with this intuitive application. Streamline your device setup and configuration process.

**Highlights:** Program Farfisa Duo System devices, Intuitive interface, Streamlined configuration, Device setup assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### Ditec Door Connect

[App page](https://appshunter.io/ios/app/ditec-door-connect/id1498906120)

**In-app purchases:** none


## Frequently asked questions

### Is DUO System free?

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

### Is Ditec Door Connect free?

Ditec Door Connect is free to download, with no in-app purchases.

### Do DUO System or Ditec Door Connect have ads?

Neither DUO System nor Ditec Door Connect shows ads.

### Which is updated more often, DUO System or Ditec Door Connect?

DUO System ships an update every 9 months, and Ditec Door Connect every 19 months. Most recently, DUO System was updated on October 5, 2026 and Ditec Door Connect 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.*