# EHC DSR Control System vs On

The clearest difference is in-app purchases: EHC DSR Control System at none against On's 11. EHC DSR Control System also leads on iOS requirement (11.0 vs 15.1). On's advantage is update cadence (every 2 weeks vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. On sells 11 in-app purchases, starting at $5.99 per month. EHC DSR Control System asks for nothing beyond the download.

EHC DSR Control System ships an update every 11 months, On every 2 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | EHC DSR Control System | On |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 52 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [The Electric Heating Company](https://appshunter.io/developer/1175745457) | [On-Here Ltd](https://appshunter.io/developer/1479860887) |

## What reviewers say

### EHC DSR Control System

[App page](https://appshunter.io/ios/app/ehc-dsr-control-system/id1175745458)

Control your EHC DSR electric radiators remotely from your smartphone, tablet, or computer. Optimize time, temperature, and power usage to save energy and money. An optional power meter helps monitor and protect your property's total electricity demand.

**Highlights:** Remote radiator control, Time and temperature scheduling, Maximum power setting, Energy saving features, Optional power meter integration, Demand Side Response capability

**Features:** macOS Compatibility

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-here/id1479860888)

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Trader Subscription | $5.99 | per month |
| Annual Trader Subscription | $49.99 | per year |
| 1 Promotion Credit | $1.99 | one-time |
| 5 Promotion Credits | $4.99 | one-time |
| 30-Day Unlimited Credits | $5.99 | one-time |
| 10 Promotion Credits | $7.99 | one-time |
| 25 Promotion Credits | $8.99 | one-time |
| 50 Promotion Credits | $9.99 | one-time |
| 90-day Unlimited Credit bundle | $14.99 | one-time |
| Trader Sign Up Fee | $19.99 | one-time |
| Year Unlimited Credit Bundle | $54.99 | one-time |


## Frequently asked questions

### Is EHC DSR Control System free?

EHC DSR Control System is free to download, with no in-app purchases.

### Is On free?

On is free to download, with in-app purchases available.

### Do EHC DSR Control System or On have ads?

Neither EHC DSR Control System nor On shows ads.

### Which is updated more often, EHC DSR Control System or On?

EHC DSR Control System ships an update every 11 months, and On every 2 weeks. Most recently, EHC DSR Control System was updated on October 1, 2026 and On on October 5, 2026.

---

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