# Universal Unit Converter! vs Smart Unit Converter Plus

The clearest difference is ads: Smart Unit Converter Plus at none against Universal Unit Converter!'s shown. On price, in-app purchases, device support and iOS requirement 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 | Universal Unit Converter! | Smart Unit Converter Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | — |
| Size | 23 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taek Oh](https://appshunter.io/developer/1616205954) | [海彬 唐](https://appshunter.io/developer/6771846427) |

## What reviewers say

### Universal Unit Converter!

[App page](https://appshunter.io/ios/app/universal-unit-converter/id6785926049)

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

**In-app purchases:** none


### Smart Unit Converter Plus

[App page](https://appshunter.io/ios/app/smart-unit-converter-plus/id6787842603)

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal Unit Converter! free?

Universal Unit Converter! is free to download, with no in-app purchases.

### Is Smart Unit Converter Plus free?

Smart Unit Converter Plus is free to download, with no in-app purchases.

### Do Universal Unit Converter! or Smart Unit Converter Plus have ads?

Universal Unit Converter! shows ads; Smart Unit Converter Plus 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.*