# Grit Optiek vs Quality Heating

The clearest difference is update cadence: Quality Heating at every 14 months against Grit Optiek's every 31 months. 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.

Grit Optiek ships an update every 31 months, Quality Heating every 14 months. The most recent releases landed on September 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Grit Optiek | Quality Heating |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/quality-heating/id1463765904/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 14 months** |
| Monetization | — | Free |
| Size | 15 MB | 188 MB |
| Requires iOS | 13.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JUPE Software B.V.](https://appshunter.io/developer/569186168) | [Quality Heating B.V.](https://appshunter.io/developer/1463765903) |

## What reviewers say

### Grit Optiek

[App page](https://appshunter.io/ios/app/grit-optiek/id845036741)

**In-app purchases:** none


### Quality Heating

[App page](https://appshunter.io/ios/app/quality-heating/id1463765904)

Control smart home devices like thermostats, heaters, and lights. Manage your home's climate and lighting remotely for convenience and efficiency.

**Highlights:** Thermostat control, Electric heater management, Infrared panel operation, Smart lighting integration, Air conditioning control

**In-app purchases:** none


## Frequently asked questions

### Is Grit Optiek free?

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

### Is Quality Heating free?

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

### Do Grit Optiek or Quality Heating have ads?

Neither Grit Optiek nor Quality Heating shows ads.

### Which is updated more often, Grit Optiek or Quality Heating?

Grit Optiek ships an update every 31 months, and Quality Heating every 14 months. Most recently, Grit Optiek was updated on September 18, 2026 and Quality Heating 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.*