EMBER Smart Heating Control vs SupplyMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EMBER Smart Heating Control
Control multiple heating systems, including radiators and underfloor heating, from your smartphone. Manage multiple zones and homes with intuitive navigation and advanced features like grouping and setback modes.
- Control 4 heating system types
- Manage multiple zones and homes
- Zone grouping for simultaneous control
- Setback mode for energy saving
- Quick Boost temperature setting
- Eco Monitor for usage tracking
- Improved setup and user management
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One App, Four Systems! EMBER Smart Heating Control has been updated to control a new range of EPH Controls products with the EMBER logo including the smart Radiator System RS and smart Underfloor System US. Ask your installer for EPH EMBER today. With improved and intuitive navigation you will have easier access to your homes heating system and improved control of multiple zones and multiple homes from the palm of your hand. EMBER Smart Heating can control 4 types of heating systems: EMBER PS – Programmer System. Version 1: This system is comprised of our wireless enabled R-Series programmers, thermostats using the GW01 gateway Version 2: This system is comprised of our wireless enabled R-Series version 2 programmers and thermostats using the GW04 gateway. EMBER RS – Radiator System. This system is comprised of our new RF16 controller, eTRV and eTRV-HW using the GW04 gateway. EMBER TS – Thermostat System. Version 1: This system is comprised of our WiFi ready CP4-OT and CP4-HW-OT thermostats using the GW03 gateway. Version 2: This system is comprised of our version 2 WiFi ready CP4v2, CP4D and CP4-HW thermostats using the GW04 gateway EMBER US –Underfloor System. This system is comprised of our new Underfloor heating controller UFH10-RF and thermostats using the GW04 gateway. New Features Grouping It is now possible to group zones to allow control of multiple areas at once, the user can set up to 10 groups and add their zones to these groups for easier control of the whole house. Setback (PS and US only) It is possible to set a heating zone to operate in a setback mode. This will allow the user to set a value from 1-10°C. When the system is timed off it will turn the temperature down by this value and activate if it falls below the lower level. Quick Boost It is now possible to set the Quick Boost temperature for heating zones with an expanded range. Eco Monitor The Eco monitor is now available on the TS and all version 2 products in the EMBER range. It can be activated in the Home Info section of the menu. It will show temperature logs for each zone and overall usage of the system in hours. Advance Function (PS and US only) Advance function can now be activated from the Zone Control screen. Improved Setup process For enhanced security and convenience, this version allows the installer to set up a customer home with their own credentials. When the home owner logs in, the installer will be removed from the home and the home owner will be assigned Super Admin status. Upgraded User Management The user management function has been improved with an extra security layer and more detailed user information. Schedule Overview A complete overview of your programming schedule is now available on the Schedule screen
SupplyMaster
Control your immersion heater or lighting remotely via your phone or tablet. Save money by adjusting schedules from anywhere, ensuring you only use energy when needed. Offers multiple operating modes for flexible control.
- Remote programming
- Energy saving
- Auto, Permanent Off, Permanent On modes
- Holiday mode
- Advance and Boost functions
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Timeguard Supplymaster can be used to provide convenient, easy programming of your immersion heater or lighting from your phone or tablet. Changes to programmes can be made from any location, which will enable the user to save money by cancelling unwanted programmes during periods of unexpected absence. There are 4 operating modes, Auto, Permanent off, permanent on, and holiday. There are also advance and boost functions. For use with the Timeguard FSTWiFi and FSTWiFiTGV WiFi controlled fused connection units.
Screenshots
Verdict
The clearest difference is review sentiment: EMBER Smart Heating Control at 52% against SupplyMaster's 11%. EMBER Smart Heating Control also leads on rating (3.4 vs 3.0) and ratings volume (9 vs 2). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EMBER Smart Heating Control holds the better App Store score, 3.4 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 52% of EMBER Smart Heating Control's written reviews are positive against 11% of SupplyMaster's.
EMBER Smart Heating Control ships an update every 2 months, SupplyMaster every 5 weeks. The most recent releases landed on September 9, 2026 and June 9, 2026 respectively.
| Parameter | EMBER Smart Heating Control | SupplyMaster |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (9 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 52.2% of reviews — better | 11.4% of reviews |
| Number of ratings | 9 — better | 2 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | EPH Controls Ltd | TIMEGUARD LTD |
Customer experience
EMBER Smart Heating Control
SupplyMaster
In-app purchases
EMBER Smart Heating Control
No in-app purchases
SupplyMaster
No in-app purchases
Questions
Is EMBER Smart Heating Control free?
Is SupplyMaster free?
Which has better reviews, EMBER Smart Heating Control or SupplyMaster?
Do EMBER Smart Heating Control or SupplyMaster have ads?
Which is updated more often, EMBER Smart Heating Control or SupplyMaster?
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