# Unit Converter vs Convertall

The clearest difference is price: Convertall at Free against Unit Converter's $5.99. Convertall also leads on update cadence (every 5 weeks vs every 9 months). Unit Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Convertall is free to download; Unit Converter costs $5.99 up front. Convertall sells 1 one-off in-app purchase. Unit Converter asks for nothing beyond the download.

Unit Converter ships an update every 9 months, Convertall every 5 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Unit Converter | Convertall |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Size | 12 MB | 5 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [Laurent ABITBOL](https://appshunter.io/developer/1844389313) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-units/id6749213264)

**Features:** macOS Compatibility

**In-app purchases:** none


### Convertall

[App page](https://appshunter.io/ios/app/convertall-unit-converter/id6789253598)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Unit Converter free?

Unit Converter costs $5.99, with no in-app purchases.

### Is Convertall free?

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

### Do Unit Converter or Convertall have ads?

Convertall shows ads; Unit Converter does not.

### Which is updated more often, Unit Converter or Convertall?

Unit Converter ships an update every 9 months, and Convertall every 5 weeks. Most recently, Unit Converter was updated on November 8, 2026 and Convertall on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*