# Unit Conversion Lab vs Unit Converter Metric Imperial

The clearest difference is in-app purchases: Unit Conversion Lab at none against Unit Converter Metric Imperial's 2. Unit Converter Metric Imperial's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Converter Metric Imperial sells 2 in-app purchases, starting at $2.99 per 7 days. Unit Conversion Lab asks for nothing beyond the download.

## The numbers

| Metric | Unit Conversion Lab | Unit Converter Metric Imperial |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 weeks |
| Size | 9 MB | 5 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Selcuk ASLANTAS](https://appshunter.io/developer/1556053491) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Unit Conversion Lab

[App page](https://appshunter.io/ios/app/unit-conversion-lab/id6756374797)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter Metric Imperial

[App page](https://appshunter.io/ios/app/unit-converter-metric-imperial/id6771022489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is Unit Conversion Lab free?

Unit Conversion Lab is free to download, with no in-app purchases.

### Is Unit Converter Metric Imperial free?

Unit Converter Metric Imperial is free to download, with in-app purchases available.

### Do Unit Conversion Lab or Unit Converter Metric Imperial have ads?

Unit Conversion Lab shows ads; Unit Converter Metric Imperial does not.

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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.*