# EMBER Smart Heating Control vs SupplyMaster

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.

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.

## The numbers

| Metric | EMBER Smart Heating Control | SupplyMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (9 ratings)](https://appshunter.io/ios/app/ember-smart-heating-control/id1105461737/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/supplymaster/id1204680294/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | **52.2% of reviews** | 11.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 55 MB | 18 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EPH Controls Ltd](https://appshunter.io/developer/1105461736) | [TIMEGUARD LTD](https://appshunter.io/developer/1204680293) |

## What reviewers say

### EMBER Smart Heating Control

[App page](https://appshunter.io/ios/app/ember-smart-heating-control/id1105461737)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SupplyMaster

[App page](https://appshunter.io/ios/app/supplymaster/id1204680294)

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.

**Highlights:** Remote programming, Energy saving, Auto, Permanent Off, Permanent On modes, Holiday mode, Advance and Boost functions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMBER Smart Heating Control free?

EMBER Smart Heating Control is free to download, with no in-app purchases.

### Is SupplyMaster free?

SupplyMaster is free to download, with no in-app purchases.

### Which has better reviews, EMBER Smart Heating Control or SupplyMaster?

EMBER Smart Heating Control is rated higher. EMBER Smart Heating Control averages 3.4 out of 5 from 9 ratings, while SupplyMaster averages 3.0 from 2 ratings.

### Do EMBER Smart Heating Control or SupplyMaster have ads?

Neither EMBER Smart Heating Control nor SupplyMaster shows ads.

### Which is updated more often, EMBER Smart Heating Control or SupplyMaster?

EMBER Smart Heating Control ships an update every 2 months, and SupplyMaster every 5 weeks. Most recently, EMBER Smart Heating Control was updated on September 9, 2026 and SupplyMaster on June 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*