# Quality Heating Services vs Watt Energy

The clearest difference is iOS requirement: Quality Heating Services at 8.0 against Watt Energy's 15.6. 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.

## The numbers

| Metric | Quality Heating Services | Watt Energy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 44 MB | 36 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waymark](https://appshunter.io/developer/1023389671) | [Earn-E BV](https://appshunter.io/developer/1512133210) |

## What reviewers say

### Quality Heating Services

[App page](https://appshunter.io/ios/app/quality-heating-services/id1534591585)

**Features:** macOS Compatibility

**In-app purchases:** none


### Watt Energy

[App page](https://appshunter.io/ios/app/watt-energy/id6757919325)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quality Heating Services free?

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

### Is Watt Energy free?

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

### Do Quality Heating Services or Watt Energy have ads?

Neither Quality Heating Services nor Watt Energy shows ads.

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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.*