Comparison

VRM vs ThermoConnect

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

Head to head
About

VRM

Monitor and manage your energy systems remotely. Track solar, battery, and power usage in real time, receive alerts, and optimize performance from your smartphone. Ideal for off-grid, marine, or backup power solutions.

Highlights
  • Remote energy system monitoring
  • Real-time solar, battery, and power tracking
  • Instant alert notifications
  • Performance optimization
  • Smartphone control
Features
Read full description

Stay in control of your energy system anytime, anywhere with the Victron VRM app! Remotely monitor your solar, battery, and power usage in real time, receive instant alerts, and optimize performance—all from your smartphone. Whether you’re off-grid, on a boat, or managing a backup power system, VRM keeps you connected. Download now and take charge of your energy! This app requires your system to be connected to the internet through a Victron Global Remote, Victron Ethernet Remote or Color Control GX / Venus GX.

About

ThermoConnect

Control your vehicle's parking heater remotely from anywhere. Set custom timers, monitor cabin temperature and battery, and track your vehicle's location with GPS. Receive alerts if your vehicle is moved without permission.

Highlights
  • Remote auxiliary heater control
  • Customizable start timers
  • Vehicle GPS location tracking
  • GPS-based geo-fence alerts
  • Cabin temperature monitoring
  • Battery voltage monitoring
Features
Read full description

ThermoConnect gives you an effortless mobile app control to your Webasto parking heater. Use the intuitive ThermoConnect app to pre-heat you vehicle from anywhere in the world. Create versatile start timers, monitor vehicle cockpit temperature and battery voltage or even check the current vehicle location with the help of an integrated GPS. You can even create a geo-fence so that you get an alert when someone moves your vehicle without your consent. This application requires that a separate ThermoConnect or a Cronus Smart control device is installed in your vehicle. App features for ThermoConnect control unit: - Vehicle auxiliary heater remote control - Versatile and unlimited timers (both start and departure time) - Vehicle GPS location - GPS-based geo-fence - Cockpit temperature and battery voltage monitoring - Control multiple ThermoConnect devices with one application - Can also be used with a web browser at https://my.webastoconnect.com App features for Cronus Smart control unit: - Close range communication using bluetooth - Vehicle auxiliary heater remote control - Versatile start timer - Cockpit temperature and battery voltage monitoring

Screenshots

VRM4 screens
ThermoConnect4 screens

Verdict

The call

The clearest difference is update cadence: VRM at fortnightly against ThermoConnect's every 5 months. ThermoConnect's advantage is iOS requirement (11.0 vs 17.0). On price, review sentiment, 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

VRM ships an update fortnightly, ThermoConnect every 5 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 8 level
VRM versus ThermoConnect: the parameters behind the verdict, then further details
ParameterVRMThermoConnect
PriceFreeFree
Rating3.4 (56 ratings) — better—
Positive reviews39.5% of reviews — better34.6% of reviews
Number of ratings56 — better—
Update frequencyFortnightly — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.011.0 — better
Further details — not scored
Size75 MB6 MB
Age rating4+4+
DeveloperVictron EnergyWebasto Roof & Components SE

Customer experience

VRM

All ratings56 ratings
Positive60.7%
Neutral7.1%
Negative32.1%
Written reviews86 reviews
Positive39.5%
Neutral18.6%
Negative41.9%

ThermoConnect

Written reviews52 reviews
Positive34.6%
Neutral11.5%
Negative53.8%

In-app purchases

None

VRM

No in-app purchases

None

ThermoConnect

No in-app purchases

Questions

Is VRM free?
VRM is free to download, with no in-app purchases.
Is ThermoConnect free?
ThermoConnect is free to download, with no in-app purchases.
Do VRM or ThermoConnect have ads?
Neither VRM nor ThermoConnect shows ads.
Which is updated more often, VRM or ThermoConnect?
VRM ships an update fortnightly, and ThermoConnect every 5 months. Most recently, VRM was updated on October 26, 2026 and ThermoConnect on October 21, 2026.

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