# Unit Converters vs Convert Units Calculator

The clearest difference is in-app purchases: Unit Converters at none against Convert Units Calculator's 1. Unit Converters also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. Convert Units Calculator sells 1 one-off in-app purchase. Unit Converters asks for nothing beyond the download.

## The numbers

| Metric | Unit Converters | Convert Units Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 41 MB | 49 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Nelson Lai](https://appshunter.io/developer/1477911199) |

## What reviewers say

### Unit Converters

[App page](https://appshunter.io/ios/app/unit-converters-calcon/id1619683639)

**Features:** macOS Compatibility

**In-app purchases:** none


### Convert Units Calculator

[App page](https://appshunter.io/ios/app/convert-units-calculator/id6758808738)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Convert Pro | $3.99 | one-time |


## Frequently asked questions

### Is Unit Converters free?

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

### Is Convert Units Calculator free?

Convert Units Calculator is free to download, with in-app purchases available.

### Do Unit Converters or Convert Units Calculator have ads?

Convert Units Calculator shows ads; Unit Converters 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.*