# HUUM vs Control4 for OS 3

The clearest difference is rating: Control4 for OS 3 at 3.0 against HUUM's 2.3. Control4 for OS 3 also leads on ratings volume (576 vs 29) and review sentiment (22% vs 11%). HUUM's advantage is iOS requirement (16.4 vs 18.0). 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.

Control4 for OS 3 holds the better App Store score, 3.0 against 2.3. That said, the two scores are not equally well evidenced: Control4 for OS 3 has 576 ratings behind it against 29, so its average is the more settled of the two. Written reviews point the same way: 11% of HUUM's written reviews are positive against 22% of Control4 for OS 3's.

HUUM ships an update monthly, Control4 for OS 3 fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | HUUM | Control4 for OS 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (29 ratings)](https://appshunter.io/ios/app/huum/id896161044/reviews) | **[3.0 (576 ratings)](https://appshunter.io/ios/app/control4-for-os-3/id1320153814/reviews)** |
| Number of ratings | 29 | **576** |
| Positive reviews | 10.6% of reviews | **21.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 66 MB | 207 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [HUUM](https://appshunter.io/developer/896161047) | [Snap One, LLC](https://appshunter.io/developer/417819127) |

## What reviewers say

### HUUM

[App page](https://appshunter.io/ios/app/huum/id896161044)

Control your sauna remotely with this app. Schedule heating times and receive notifications when your sauna reaches the desired temperature, ensuring a perfectly heated experience upon arrival.

**Highlights:** Remote sauna heating, Scheduled heating times, Calendar bookings, Temperature notifications, Mobile control

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

**In-app purchases:** none

**What reviewers like**

- ✅ Basic functionality works when stable
- 🎯 Simple on/off controls
- 📱 Remote control capability (when functioning)
- ⏱️ Scheduling feature available
- 🌡️ Temperature adjustment possible

**What reviewers complain about**

- 🐛 Extremely unreliable and buggy
- ❌ Frequent app crashes and freezes
- 🔌 Constant WiFi connectivity issues
- ⏱️ Long response delays (2-3 minutes)
- 🌍 Random language switching problems

**Reported bugs**

- App randomly switches to Estonian/Finnish/Swedish
- Temperature control stops working after updates
- Scheduler/timer functionality broken
- Remote start feature randomly disables
- App won't open or becomes unresponsive

**Requested features**

- Apple Watch app support
- Dynamic Island integration
- Temperature reached notifications
- Ability to cancel/edit bookings
- Google Home/Alexa integration


### Control4 for OS 3

[App page](https://appshunter.io/ios/app/control4-for-os-3/id1320153814)

Transform your iPhone or iPad into a personal interface for your smart home. Control all connected devices, including lights, thermostats, security, and media, with a redesigned, personalized experience. Requires a Control4 Smart Home OS 3 system.

**Highlights:** Personalized user interface, Control lights, thermostats, security, Manage music and video, Access favorites and room-specific settings, Intuitive volume control, Customizable room wallpapers

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Responsive and fast
- 🌟 Elegant and modern UI
- 🔒 Robust security features
- 👍 Customizable and personalized
- 🎨 Improved visual design

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⏱️ Slow load times and reconnections
- 🔌 Unreliable connectivity
- 🤖 Lacking integration with smart home platforms
- 💰 Expensive and costly to maintain

**Reported bugs**

- Intercom and doorbell issues
- Thermostat controls not working as expected
- Inability to connect to the system remotely
- Compatibility problems with newer iOS versions
- Unexpected app crashes and freezes

**Requested features**

- Apple Watch app support
- Better integration with Apple ecosystem
- Improved voice control and Alexa integration
- More customization options for users
- Faster and more responsive app performance


## Frequently asked questions

### Is HUUM free?

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

### Is Control4 for OS 3 free?

Control4 for OS 3 is free to download, with no in-app purchases.

### Which has better reviews, HUUM or Control4 for OS 3?

Control4 for OS 3 is rated higher. HUUM averages 2.3 out of 5 from 29 ratings, while Control4 for OS 3 averages 3.0 from 576 ratings.

### Do HUUM or Control4 for OS 3 have ads?

Neither HUUM nor Control4 for OS 3 shows ads.

### Which is updated more often, HUUM or Control4 for OS 3?

HUUM ships an update monthly, and Control4 for OS 3 fortnightly. Most recently, HUUM was updated on October 24, 2026 and Control4 for OS 3 on October 21, 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.*