# HUUM vs OONVAA

The clearest difference is in-app purchases: HUUM at none against OONVAA's 3. OONVAA's advantage is iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. OONVAA sells 3 in-app purchases, starting at $8.99 per month. HUUM asks for nothing beyond the download.

## The numbers

| Metric | HUUM | OONVAA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (29 ratings)](https://appshunter.io/ios/app/huum/id896161044/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 10.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 66 MB | 164 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [HUUM](https://appshunter.io/developer/896161047) | [Nina Hoch](https://appshunter.io/developer/6787160085) |

## 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


### OONVAA

[App page](https://appshunter.io/ios/app/oonvaa/id6787160083)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OONVAA Pro: Monthly | $8.99 | per month |
| OONVAA Pro: Yearly | $69.99 | per year |
| OONVAA Pro: Lifetime | $229.00 | one-time |


## Frequently asked questions

### Is HUUM free?

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

### Is OONVAA free?

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

### Do HUUM or OONVAA have ads?

Neither HUUM nor OONVAA shows ads.

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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.*