# DUO System vs AK

The clearest difference is update cadence: AK at every 2 months against DUO System's every 9 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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, AK every 2 months. The most recent releases landed on October 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DUO System | AK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ak-partner/id6470985773/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 15 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACI srl](https://appshunter.io/developer/1124362356) | [AKUVOX (XIAMEN) NETWORKS CO., LTD.](https://appshunter.io/developer/1160662433) |

## 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


### AK

[App page](https://appshunter.io/ios/app/ak-partner/id6470985773)

This app helps installers manage projects, devices, and users efficiently. It simplifies installation, configuration, and maintenance tasks for smart intercom and smart home kits. Access a knowledge base for device information directly within the app.

**Highlights:** Project management, Device management, User management, Site management, Smart intercom kit integration, Smart home kit integration, Knowledge base access

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

**In-app purchases:** none


## Frequently asked questions

### Is DUO System free?

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

### Is AK free?

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

### Do DUO System or AK have ads?

Neither DUO System nor AK shows ads.

### Which is updated more often, DUO System or AK?

DUO System ships an update every 9 months, and AK every 2 months. Most recently, DUO System was updated on October 5, 2026 and AK 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.*