# Unite Control vs Fermax DuoxMe

The clearest difference is in-app purchases: Unite Control at none against Fermax DuoxMe's 2. Unite Control also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fermax DuoxMe sells 2 in-app purchases, starting at $2.00 per month. Unite Control asks for nothing beyond the download.

Unite Control ships an update every 3 weeks, Fermax DuoxMe monthly. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Unite Control | Fermax DuoxMe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (263 ratings)](https://appshunter.io/ios/app/fermax-duoxme/id1442204916/reviews)** |
| Number of ratings | — | **263** |
| Positive reviews | — | 55.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 183 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [mix360 Ltd](https://appshunter.io/developer/485286977) | [Fermax](https://appshunter.io/developer/891332024) |

## What reviewers say

### Unite Control

[App page](https://appshunter.io/ios/app/unite-control/id1330659276)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fermax DuoxMe

[App page](https://appshunter.io/ios/app/fermax-duoxme/id1442204916)

Control your Fermax video door entry system remotely. Answer calls, unlock doors, see visitors, and share digital keys from your smartphone, offering convenience and security for your home.

**Highlights:** Answer video door calls remotely, Unlock doors instantly, View visitor history, Share digital keys securely, Manage home access from smartphone

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $2.00 | per month |
| Unlimited annual | $17.00 | per year |


## Frequently asked questions

### Is Unite Control free?

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

### Is Fermax DuoxMe free?

Fermax DuoxMe is free to download, with in-app purchases available.

### Do Unite Control or Fermax DuoxMe have ads?

Neither Unite Control nor Fermax DuoxMe shows ads.

### Which is updated more often, Unite Control or Fermax DuoxMe?

Unite Control ships an update every 3 weeks, and Fermax DuoxMe monthly. Most recently, Unite Control was updated on October 25, 2026 and Fermax DuoxMe on November 6, 2026.

---

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