HUUM vs COZZIA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HUUM
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.
- Remote sauna heating
- Scheduled heating times
- Calendar bookings
- Temperature notifications
- Mobile control
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Your sauna, ready when you are. The HUUM app puts full control of your sauna in your pocket. Heat it up on your way home, fine-tune the temperature from the bench, and keep an eye on every session wherever you are. WHAT YOU CAN DO • Start, stop, and adjust your sauna remotely • Set the exact target temperature and session duration • Schedule sessions by day, time, and temperature, including recurring bookings • Watch live status, current and target temperature, and heating progress • Manage multiple saunas from a single view • Track your sauna hours and browse your full session history • Get clear, real-time alerts for doors, connection, and safety BUILT FOR SAFETY Remote start is enabled only when your sauna's safety is confirmed through the UKU control panel, so you stay in control at all times. Works with HUUM saunas equipped with the UKU controller and a Wi-Fi connection. Less fiddling. More leil.
COZZIA
Control your intelligent massage chair remotely via this app. Adjust massage functions and integrate with Amazon Alexa for voice commands. Enhance your relaxation experience with smart chair control.
- Remote massage chair control
- Amazon Alexa integration
- Control massage functions
- Smart chair operation
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This APP connects to your Cozzia massage chair. The user can control the massage functions of the chair through this app, as a remote function. Additionally, through this APP, users can use their Amazon Alexa to control their massage chair.
Screenshots
Verdict
The clearest difference is review sentiment: COZZIA at 50% against HUUM's 11%. COZZIA also leads on iOS requirement (12 vs 16.4). HUUM's advantage is rating (2.3 vs 2.1) and ratings volume (29 vs 7). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HUUM holds the better App Store score, 2.3 against 2.1. Both are backed by a comparable volume of ratings — 29 and 7 respectively. Written reviews complicate that: 11% of HUUM's written reviews are positive against 50% of COZZIA's, so the app with the better star average is not the one people write more warmly about.
HUUM ships an update monthly, COZZIA every 6 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | HUUM | COZZIA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (29 ratings) — better | 2.1 (7 ratings) |
| Positive reviews | 10.6% of reviews | 50.0% of reviews — better |
| Number of ratings | 29 — better | 7 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 12 — better |
| Further details — not scored | ||
| Size | 66 MB | 72 MB |
| Age rating | 17+ | 4+ |
| Developer | HUUM | Xiamen Comfort Science & Technology Group |
Customer experience
HUUM
COZZIA
Bugs and requests
HUUM
Reported bugs
21 issues- 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
Show 16 moreShow fewer
- Login loops and credential rejection
- Door sensor falsely reports 'door open'
- Sauna turns off mid-heating without reason
- Light controls unresponsive or delayed
- Calendar/scheduling closes app
- Password reset emails don't work
- App incompatible with latest iOS versions
- Notifications not working on newer phones
- Sauna ID retrieval issues
- Temperature scroll functionality broken
- Auto-start toggle disabled but still visible
- Unexpected €420-500 charges during setup
- App logs out on every action
- Duplicate commands cause unexpected behavior
- Modal pages get stuck and freeze app
- Repeat scheduling function inaccurate
Requested features
12 requests- Apple Watch app support
- Dynamic Island integration
- Temperature reached notifications
- Ability to cancel/edit bookings
- Google Home/Alexa integration
Show 7 moreShow fewer
- Better visual feedback for on/off status
- In-app help documentation and instructions
- Language selection button always visible
- Advanced statistics and analytics
- User community map feature
- Persistent language preference storage
- Confirmation dialogs for critical actions
COZZIA
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HUUM
No in-app purchases
COZZIA
No in-app purchases
