# iHeatControl vs ATC CALA

The clearest difference is ads: iHeatControl at none against ATC CALA's shown. iHeatControl also leads on monetization model (free vs ad-supported). ATC CALA's advantage is review sentiment (50% vs 22%). On price, update cadence, 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.

iHeatControl ships an update every 3 months, ATC CALA every 6 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iHeatControl | ATC CALA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/atc-cala/id1588090783/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 22.2% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 29 MB | 17 MB |
| Requires iOS | 15.0 | **14.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [P. Ferro GPF, S.L.](https://appshunter.io/developer/1181006883) | [Ferroli España](https://appshunter.io/developer/1450809350) |

## What reviewers say

### iHeatControl

[App page](https://appshunter.io/ios/app/iheatcontrol/id1482092901)

Remotely manage compatible radiators and accumulators from your smartphone. Monitor room temperatures, adjust settings, and track energy consumption. Control multiple homes and set schedules for efficient heating.

**Highlights:** Remote radiator control, Temperature monitoring, Adjustable operating temperatures, Multiple operating modes, Real-time programming, Electricity consumption tracking, Geolocation-based management

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

**In-app purchases:** none


### ATC CALA

[App page](https://appshunter.io/ios/app/atc-cala/id1588090783)

Control your new ATC thermal emitters remotely. Adjust settings, monitor performance, and manage your heating system from your smartphone. Designed for efficient and convenient home climate management.

**Highlights:** Remote control of thermal emitters, Adjust settings, Monitor performance, Manage heating system, Smartphone integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHeatControl free?

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

### Is ATC CALA free?

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

### Do iHeatControl or ATC CALA have ads?

ATC CALA shows ads; iHeatControl does not.

### Which is updated more often, iHeatControl or ATC CALA?

iHeatControl ships an update every 3 months, and ATC CALA every 6 weeks. Most recently, iHeatControl was updated on October 24, 2026 and ATC CALA on October 13, 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.*