Comparison

IRSAP NOW vs GROHE Watersystems

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

Head to head
About

IRSAP NOW

Transform your traditional heating into a smart system for efficient energy use and cost savings. Control individual radiators, manage schedules, and monitor your home's climate remotely. Integrates with voice assistants for seamless operation.

Highlights
  • Smart thermostat and valve control
  • Customizable heating schedules
  • Home/Away and Holiday modes
  • Multizone temperature management
  • Open window detection
  • Voice assistant compatibility
  • Heating consumption insights
Features
Read full description

It heats more efficiently: it saves on consumption and costs. CHOOSE SMART HEATING Turn your traditional heating system into a smart heating system. THE IRSAP NOW SYSTEM Connection Unit & Repeater. Essential module, it is the hub of the IRSAP NOW System. In Repeater mode it extends the communication signal between all elements of the System. Smart Thermostat. It precisely controls the temperature, humidity level and air quality of the room in which it is installed. Smart Valve. Compatible with all radiator brands and major valve manufacturers, controls the temperature of each radiator. Starter. Optimize the use and activation of your heat generator (boiler or heat pump). CHOOSE EFFICIENT HEATING Smart Scheduling: Plan different scenarios according to the routine. Home / Away: it communicates to the system, if you want also via geolocation, that you are not at home, optimizing consumption. Holiday: suspends heating for the duration of your stay away from home, setting the system on the antifreeze temperature. Multizone: guarantees separate and independent management for each room, satisfying different needs. Open Windows Detection: detects when there is an open window, temporarily suspending heating, avoiding waste and unnecessary heat loss. Notifications: stay up to date on the status of the IRSAP NOW System through notifications in the App. Heating Insights: monitors the situation through statistics on consumption, air quality, humidity levels and measurements of open windows. CONTROL HEATING WITH VOICE ASSISTANTS The IRSAP NOW system is compatible with the main digital voice assistants on the market such as Amazon Alexa, Google Home and other IFTTT systems.

About

GROHE Watersystems

Manage your smart water faucet from your phone. Set custom pours, monitor consumption, and receive timely alerts for filter and CO2 replacements. This app replaces the older GROHE Ondus App.

Highlights
  • Smartphone control for GROHE Blue faucet
  • Filter and CO2 bottle replacement alerts
  • Set custom water pours
  • Monitor water consumption
  • Automatic transfer from GROHE Ondus App
Features
Read full description

Control your GROHE Blue Chilled and Sparkling 2.0 faucet via your smartphone. The GROHE Watersystems App will not only help you during the configuration of your watersystem appliance, but will let you know when the filter or CO2 bottle will need replacing. Within this app, you can also set up favourites for pouring water in a predefined amount and sparkling grade, and you can monitor your water consumption. Note: This App replaces the GROHE Ondus App. If you have used the GROHE Ondus App before, then your connected GROHE Blue watersystem will be transferred into this new Watersystems App automatically.

Screenshots

IRSAP NOW4 screens
GROHE Watersystems3 screens

Verdict

The call

The clearest difference is review sentiment: IRSAP NOW at 42% against GROHE Watersystems's 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

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

IRSAP NOW ships an update every 3 months, GROHE Watersystems every 4 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
IRSAP NOW versus GROHE Watersystems: the parameters behind the verdict, then further details
ParameterIRSAP NOWGROHE Watersystems
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews41.7% of reviews — better7.0% of reviews
Number of ratings3 — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size136 MB86 MB
Age rating4+17+
DeveloperIrsap SpaGrohe AG

Customer experience

IRSAP NOW

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive41.7%
Neutral12.5%
Negative45.8%

GROHE Watersystems

Written reviews171 reviews
Positive7.0%
Neutral6.4%
Negative86.5%

In-app purchases

None

IRSAP NOW

No in-app purchases

None

GROHE Watersystems

No in-app purchases

Questions

Is IRSAP NOW free?
IRSAP NOW is free to download, with no in-app purchases.
Is GROHE Watersystems free?
GROHE Watersystems is free to download, with no in-app purchases.
Do IRSAP NOW or GROHE Watersystems have ads?
Neither IRSAP NOW nor GROHE Watersystems shows ads.
Which is updated more often, IRSAP NOW or GROHE Watersystems?
IRSAP NOW ships an update every 3 months, and GROHE Watersystems every 4 months. Most recently, IRSAP NOW was updated on November 3, 2026 and GROHE Watersystems on November 5, 2026.

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