# Unit Converter vs UnitDeck

The clearest difference is in-app purchases: Unit Converter at none against UnitDeck's 1. Unit Converter also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. UnitDeck sells 1 one-off in-app purchase. Unit Converter asks for nothing beyond the download.

## The numbers

| Metric | Unit Converter | UnitDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 25 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed saad Fatih](https://appshunter.io/developer/1786176567) | [建辉 刘](https://appshunter.io/developer/6790622804) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-easy-accurate/id6739586690)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitDeck

[App page](https://appshunter.io/ios/app/unitdeck-work-unit-converter/id6792440865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitDeck Pro – Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Unit Converter free?

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

### Is UnitDeck free?

UnitDeck is free to download, with in-app purchases available.

### Do Unit Converter or UnitDeck have ads?

Neither Unit Converter nor UnitDeck 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.*