# EMBER Smart Heating Control vs OnSite

The clearest difference is update cadence: OnSite at every 3 days against EMBER Smart Heating Control's every 2 months. EMBER Smart Heating Control's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support 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 ships an update every 2 months, OnSite every 3 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | EMBER Smart Heating Control | OnSite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (9 ratings)](https://appshunter.io/ios/app/ember-smart-heating-control/id1105461737/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 55 MB | 8 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EPH Controls Ltd](https://appshunter.io/developer/1105461736) | [Nathan Manley](https://appshunter.io/developer/1889638528) |

## 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


### OnSite

[App page](https://appshunter.io/ios/app/onsite-trades/id6761440069)

**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 OnSite free?

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

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

Neither EMBER Smart Heating Control nor OnSite shows ads.

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

EMBER Smart Heating Control ships an update every 2 months, and OnSite every 3 days. Most recently, EMBER Smart Heating Control was updated on October 24, 2026 and OnSite on October 12, 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.*