# Unit Converter vs UnitStack

The clearest difference is in-app purchases: UnitStack at none against Unit Converter's 2. Unit Converter's advantage is iOS requirement (14.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Unit Converter sells 2 in-app purchases, starting at $2.49 per month. UnitStack asks for nothing beyond the download.

## The numbers

| Metric | Unit Converter | UnitStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unitstack/id6757423947/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 17 MB | 4 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vijay Jasoliya](https://appshunter.io/developer/1690525119) | [Michael Yang](https://appshunter.io/developer/1866843188) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-universal-app/id6751807179)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.49 | per month |
| Yearly Subscription | $21.00 | per year |


### UnitStack

[App page](https://appshunter.io/ios/app/unitstack/id6757423947)

This utility app allows for simultaneous unit and currency conversions, saving your progress and custom units. Its minimalist design ensures a clear and efficient user experience for all your measurement needs.

**Highlights:** Stack multiple conversions, Persistent values, Custom units of measure, Minimalist interface, Custom color themes, Currency conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is UnitStack free?

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

### Do Unit Converter or UnitStack have ads?

Neither Unit Converter nor UnitStack 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.*