# Online Unit Converter vs QFE App

The clearest difference is price: QFE App at Free against Online Unit Converter's $0.99. QFE App also leads on in-app purchases (none vs 1). Online Unit Converter's advantage is iOS requirement (9.0 vs 12.0). On ads and device support there is nothing between them.

QFE App is free to download; Online Unit Converter costs $0.99 up front. Online Unit Converter sells 1 one-off in-app purchase. QFE App asks for nothing beyond the download.

## The numbers

| Metric | Online Unit Converter | QFE App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 32 MB | 29 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [飞 李](https://appshunter.io/developer/1633407304) | [MaP](https://appshunter.io/developer/1606499958) |

## What reviewers say

### Online Unit Converter

[App page](https://appshunter.io/ios/app/online-unit-converter/id6444185100)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $0.99 | one-time |


### QFE App

[App page](https://appshunter.io/ios/app/qfe-app/id6480347989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Online Unit Converter free?

Online Unit Converter costs $0.99, and also offers in-app purchases.

### Is QFE App free?

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

### Do Online Unit Converter or QFE App have ads?

Neither Online Unit Converter nor QFE App 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.*