Comparison

HUUM vs Watts® Home

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remote sauna heating
  • Scheduled heating times
  • Calendar bookings
  • Temperature notifications
  • Mobile control
Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

HUUM4 screens
Watts® Home4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on September 22, 2026.

Scorecard4 real differences · 6 level
HUUM versus Watts® Home: the parameters behind the verdict, then further details
ParameterHUUMWatts® Home
PriceFreeFree
Rating2.4 (28 ratings)4.6 (3.7K ratings) — better
Positive reviews10.7% of reviews26.9% of reviews — better
Number of ratings283.7K — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.412.2 — better
Further details — not scored
Size66 MB187 MB
Age rating17+4+
DeveloperHUUMWatts Water Technologies

Customer experience

HUUM

All ratings28 ratings
Positive32.1%
Neutral7.1%
Negative60.7%
Written reviews206 reviews
Positive10.7%
Neutral4.4%
Negative85.0%

Watts® Home

All ratings3,506 ratings
Positive88.6%
Neutral4.1%
Negative7.3%
Written reviews193 reviews
Positive26.9%
Neutral11.9%
Negative61.1%

User reviews

HUUM

From 28 App Store ratings

What 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 ratings

What 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 more
  • 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 more
  • 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

None

HUUM

No in-app purchases

None

Watts® Home

No in-app purchases

Questions

Is HUUM free?
HUUM is free to download, with no in-app purchases.
Is Watts® Home free?
Watts® Home is free to download, with no in-app purchases.
Which has better reviews, HUUM or Watts® Home?
Watts® Home is rated higher. HUUM averages 2.4 out of 5 from 28 ratings, while Watts® Home averages 4.6 from 3.7K ratings.
Do HUUM or Watts® Home have ads?
Neither HUUM nor Watts® Home shows ads.
Which is updated more often, HUUM or Watts® Home?
HUUM ships an update every 3 months, and Watts® Home every 3 months. Most recently, HUUM was updated on September 22, 2026 and Watts® Home on September 22, 2026.

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