# 4HEAT vs ENVIRON CONNECTED

The clearest difference is ads: 4HEAT at none against ENVIRON CONNECTED's shown. ENVIRON CONNECTED's advantage is iOS requirement (11.0 vs 15.0.0). 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.

4HEAT ships an update every 3 months, ENVIRON CONNECTED every 4 months. The most recent releases landed on September 16, 2026 and May 23, 2026 respectively.

## The numbers

| Metric | 4HEAT | ENVIRON CONNECTED |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 24.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 38 MB | 45 MB |
| Requires iOS | 15.0.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TIEMME ELETTRONICA SRL](https://appshunter.io/developer/1225571704) | [Robin Wood GmbH](https://appshunter.io/developer/1490885364) |

## What reviewers say

### 4HEAT

[App page](https://appshunter.io/ios/app/4heat/id1193541312)

Control your Tiemme Heating system remotely with this application. Manage your home's temperature and heating schedules from your smartphone or tablet.

**Highlights:** Remote heating system control, Temperature management, Schedule adjustments, Smartphone/tablet compatibility, Tiemme Heating system integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ENVIRON CONNECTED

[App page](https://appshunter.io/ios/app/environ-connected/id1490897738)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4HEAT free?

4HEAT is free to download, with no in-app purchases.

### Is ENVIRON CONNECTED free?

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

### Do 4HEAT or ENVIRON CONNECTED have ads?

ENVIRON CONNECTED shows ads; 4HEAT does not.

### Which is updated more often, 4HEAT or ENVIRON CONNECTED?

4HEAT ships an update every 3 months, and ENVIRON CONNECTED every 4 months. Most recently, 4HEAT was updated on September 16, 2026 and ENVIRON CONNECTED on May 23, 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.*