Comparison

Nu vs Osily

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

Head to head
About

Nu

Remotely manage your underfloor heating system from anywhere. Adjust temperatures, set schedules, and activate special modes like holiday or party settings for optimal comfort and energy savings.

Highlights
  • Remote heating control
  • Temperature adjustments
  • Scheduling and timers
  • Holiday and party modes
  • Room locking
  • Home/Away/Summer modes
Read full description

Control your Underfloor Heating System whilst on the move or about the house. The Nu-Heat app is a convenient way to:  * Turn down the heating without leaving the sofa  * Warm the house before you get home  * Switch on the hot water boost before taking a shower  * Quickly hold the room temperature for a few hours longer  * Save energy by adjusting your heating times  Multi Room Functions  * Room Titles for Easy Reference  * Lock one or multiple rooms  * Edit the Comfort Levels in each room * Apply a temperature hold to one or multiple rooms  * Place your System into Home or Away Mode (Turns the system off)  * Place your System into Summer Mode (Turns off the heating, leaving the HW to run as normal)  – Home convenience  The app allows you to control your heating from anywhere in your home.  – Use it Anywhere  Securely control your heating from any location. If you’re leaving the office early, use the Nu-Heat app to turn on your heating in time for your arrival.  You will need a router with port forwarding and a fixed IP address or the use of a Dynamic DNS. – Holiday mode & Parties  Off on holiday for a few weeks? No problem, use the Holiday mode to keep your heating ticking over while you’re away.  Having a party later? Keep the room at a comfortable temperature all evening.

About

Osily

Easily control your smart radiators from anywhere. Group devices by zones, adjust temperatures remotely, and personalize heating schedules. Monitor energy consumption and costs to optimize your heating system.

Highlights
  • Remote temperature adjustment
  • Zone grouping for radiators
  • Customizable heating schedules
  • Energy consumption monitoring
  • Preset heating programs
  • Screen background customization
Features
Read full description

NEW VERSION AVAILABLE This last update includes: - Explanatory videos in the pairing process. - Clearer and more visual programming bar. - Reorganisation of advanced functions. - Preview of screen colours in the application. - Incorporation of hotel mode. - Brightness control of the devices. - Early start control. - Addition of new languages: Italian. - Activation of locks and hotel mode from a zone. - Improvements in the statistical control. - Error correction. ____ Control your Osily radiators the easy way, whenever and wherever you are. - Group your radiators by zones (such as rooms or floors in a house) or, if you prefer, control them individually. - Modify the temperature of your radiators when you need to, at any time, in any place. - Personalise the programming of your radiators or use one of the 4 preset heating programs installed and increase the energy savings of your heating system. - Check the energy consumption and cost of your radiators by entering the price of your electric tariff. - Customise the screen background colour of your products. A 2.4 GHz Wi-Fi connection with internet access is required by the products to work properly.

Screenshots

Nu3 screens
Osily4 screens

Verdict

The call

The clearest difference is review sentiment: Nu at 33% against Osily's 0%. Nu also leads on iOS requirement (8.0 vs 14.0). 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.

UpkeepUpdate frequency

Nu ships an update every 15 months, Osily every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Nu versus Osily: the parameters behind the verdict, then further details
ParameterNuOsily
PriceFreeFree
Rating1.3 (4 ratings) — better—
Positive reviews33.3% of reviews — better0.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 15 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better14.0
Further details — not scored
Size7 MB65 MB
Age rating4+4+
DeveloperNu-HeatHome Domotic Developments, S.L.

Customer experience

Nu

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Osily

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Nu

No in-app purchases

None

Osily

No in-app purchases

Questions

Is Nu free?
Nu is free to download, with no in-app purchases.
Is Osily free?
Osily is free to download, with no in-app purchases.
Do Nu or Osily have ads?
Neither Nu nor Osily shows ads.
Which is updated more often, Nu or Osily?
Nu ships an update every 15 months, and Osily every 8 months. Most recently, Nu was updated on November 1, 2026 and Osily on November 3, 2026.

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