# Home Assistant Room Control vs ElectroCalc Pro

The clearest difference is in-app purchases: Home Assistant Room Control at none against ElectroCalc Pro's 1. Home Assistant Room Control also leads on ads (none vs shown). ElectroCalc Pro's advantage is update cadence (every 3 months vs every 25 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ElectroCalc Pro sells 1 one-off in-app purchase. Home Assistant Room Control asks for nothing beyond the download.

Home Assistant Room Control ships an update every 25 months, ElectroCalc Pro every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Home Assistant Room Control | ElectroCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 3 months** |
| Size | 28 MB | 27 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Katholische Hochschule NRW](https://appshunter.io/developer/1617586927) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### Home Assistant Room Control

[App page](https://appshunter.io/ios/app/home-assistant-room-control/id6467872234)

**Features:** macOS Compatibility

**In-app purchases:** none


### ElectroCalc Pro

[App page](https://appshunter.io/ios/app/electrocalc-pro/id6758211193)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Home Assistant Room Control free?

Home Assistant Room Control is free to download, with no in-app purchases.

### Is ElectroCalc Pro free?

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

### Do Home Assistant Room Control or ElectroCalc Pro have ads?

ElectroCalc Pro shows ads; Home Assistant Room Control does not.

### Which is updated more often, Home Assistant Room Control or ElectroCalc Pro?

Home Assistant Room Control ships an update every 25 months, and ElectroCalc Pro every 3 months. Most recently, Home Assistant Room Control was updated on October 27, 2026 and ElectroCalc Pro on October 24, 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.*