ThermoSphere vs Sure Support
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThermoSphere
Easily manage your ThermoSphere electric heating devices from anywhere in the world. Control heating manually, set intelligent schedules, and access device settings all from your smartphone.
- Remote device control
- Heating schedule creation
- Manual control options
- Access device settings
- Compatible with various ThermoSphere devices
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Easy, simple control for ThermoSphere electric heating all in one place. The new and improved ThermoSphere app lets you control all of your ThermoSphere electric heating devices from your phone, from anywhere in the world. Compatible with ThermSphere SmartHome Thermostats, ThermoSphere WIFI Thermostats (2021 model onwards), ThermoSphere Glass Wifi Heaters and ThermoSphere SmartPlugs. Control manually or access the settings and heating schedule to build an intelligent and comfortable heating schedule.
Sure Support
Diagnose and resolve common internet connectivity problems. The app runs network tests, provides potential fixes, and gathers information to assist support technicians if issues persist.
- Network tests and diagnostics
- Connectivity issue resolution
- Step-by-step fix prompts
- Support technician information gathering
- Internet package optimization
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Sure Support runs a variety of network tests and diagnostics and allows you to resolve common connectivity issues so you can go back to enjoying your Internet package to the fullest! This information will also help our support technicians, if you were unable to solve your issue. After running your scan, you will be prompted on a potential fix for your connectivity issue. If you are still having trouble after completing these steps, please contact our support team.
Screenshots
Verdict
The clearest difference is review sentiment: ThermoSphere at 30% against Sure Support's 0%. ThermoSphere also leads on iOS requirement (11.0 vs 17.0). Sure Support's advantage is update cadence (every 3 months vs every 13 months). On price, ads, in-app purchases and monetization model 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.
ThermoSphere ships an update every 13 months, Sure Support every 3 months. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.
| Parameter | ThermoSphere | Sure Support |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 30.0% of reviews — better | 0.0% of reviews |
| Update frequency | Every 13 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 167 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Thermogroup UK | Sure (Guernsey) Limited |
Customer experience
ThermoSphere
Sure Support
In-app purchases
ThermoSphere
No in-app purchases
Sure Support
No in-app purchases
