# Unit converter vs convertX

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

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

## The numbers

| Metric | Unit converter | convertX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Size | 41 MB | 32 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Claudio Fusillo](https://appshunter.io/developer/1520006843) | [Dhaval Panasara](https://appshunter.io/developer/1753452519) |

## What reviewers say

### Unit converter

[App page](https://appshunter.io/ios/app/unit-converter-unitflow/id6760021792)

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

**In-app purchases:** none


### convertX

[App page](https://appshunter.io/ios/app/convertx-unit-converter/id6760885403)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeTime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Unit converter free?

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

### Is convertX free?

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

### Do Unit converter or convertX have ads?

convertX shows ads; Unit converter 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.*