HUUM vs Watts® Home
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
Read full descriptionHide full description
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.
Watts® Home
Control and monitor your Watts connected home devices remotely. Manage thermostats, snow melting systems, and floor heating with programmable schedules and energy-saving modes. Receive alerts for any issues and access support easily.
- Remote monitoring and control
- Programmable schedules
- Energy-saving modes (Away mode)
- Thermostat and floor heating setpoint adjustments
- Snow melting system control
- Energy usage monitoring and reporting
- Device access sharing
Read full descriptionHide full description
Use the Watts® Home app to remotely monitor and control all of your Watts connected home solutions from your mobile phone. Watts® Home gives you more functionality and greater control of tekmar Wi-Fi Thermostats, tekmar Wi-Fi Setpoint Controls, tekmar Wi-Fi Snow Melting Controls, and SunTouch SunStat Wi-Fi Floor Heating Thermostats. Features - Watts® Home is compatible with: - tekmar thermostat models 561, 562, 563, 564 and 564B - tekmar setpoint control model 170 - tekmar snow melting control models 670 and 671 - SunTouch thermostat models SunStat Connect, ConnectPlus, and CommandPlus - Remotely monitor and control your Watts connected home solutions - Notifications if there is a problem with any of your Watts connected home solutions - Increase efficiency by accessing all of your properties and devices from one app - Save money with the easy-to-use programmable schedule - Additional savings with Away mode, which conserves energy when properties are not in use - Change thermostat mode, heat and cooling setpoints, fan, relative humidity and floor heating setpoints - Remotely start and or stop your snow melting system - Detailed daily and monthly energy usage monitoring and reporting - Easily share device access with other users - Instant access to customer support and product resources
Screenshots
Verdict
The clearest difference is rating: Watts® Home at 4.6 against HUUM's 2.4. Watts® Home also leads on ratings volume (3.7K vs 28) and review sentiment (27% vs 11%). 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.
Watts® Home holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: Watts® Home has 3.7K ratings behind it against 28, 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 27% of Watts® Home's.
Both ship on a similar rhythm, roughly every 3 months. Both last shipped on September 22, 2026.
| Parameter | HUUM | Watts® Home |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (28 ratings) | 4.6 (3.7K ratings) — better |
| Positive reviews | 10.7% of reviews | 26.9% of reviews — better |
| Number of ratings | 28 | 3.7K — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 12.2 — better |
| Further details — not scored | ||
| Size | 66 MB | 187 MB |
| Age rating | 17+ | 4+ |
| Developer | HUUM | Watts Water Technologies |
Customer experience
HUUM
Watts® Home
User reviews
HUUM
From 28 App Store ratingsWhat we love
- ✅ Basic functionality works when stable
- 🎯 Simple on/off controls
- 📱 Remote control capability (when functioning)
- ⏱️ Scheduling feature available
- 🌡️ Temperature adjustment possible
Room to improve
- 🐛 Extremely unreliable and buggy
- ❌ Frequent app crashes and freezes
- 🔌 Constant WiFi connectivity issues
- ⏱️ Long response delays (2-3 minutes)
- 🌍 Random language switching problems
Watts® Home
From 3.7K App Store ratingsWhat we love
- 🚀 Reliable connectivity
- 👍 Easy to use
- 🔥 Awesome app updates
- 🌡️ Helpful temperature monitoring
Room to improve
- 🐛 Connectivity issues
- 🤯 Frequent sign-outs
- 🤔 Limited functionality
- 🤖 Unstable app performance
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
Watts® Home
Reported bugs
3 issues- App crashes after updates
- Devices not detected or offline
- Login issues and account problems
Requested features
4 requests- Improved scheduling options
- Integration with smart home platforms
- More detailed sensor data and reporting
- Customizable user interface
In-app purchases
HUUM
No in-app purchases
Watts® Home
No in-app purchases








