# All Unit Conversion vs Unit Converter

The clearest difference is ads: All Unit Conversion at none against Unit Converter's shown. All Unit Conversion also leads on rating (4.8 vs 4.6) and monetization model (free vs ad-supported). Unit Converter's advantage is update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

All Unit Conversion holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 29 and 56 respectively.

All Unit Conversion ships an update every 2 months, Unit Converter every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | All Unit Conversion | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (29 ratings)](https://appshunter.io/ios/app/all-unit-conversion/id1418597453/reviews)** | [4.6 (56 ratings)](https://appshunter.io/ios/app/unit-converter-all-in-one/id1637660376/reviews) |
| Number of ratings | 29 | **56** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 22 MB | 22 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Do Couto](https://appshunter.io/developer/1291604717) | [Foodmatesss Limited](https://appshunter.io/developer/1596235880) |

## What reviewers say

### All Unit Conversion

[App page](https://appshunter.io/ios/app/all-unit-conversion/id1418597453)

Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.

**Highlights:** Length conversion, Area conversion, Volume conversion, Mass conversion, Time conversion, Currency conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-all-in-one/id1637660376)

Easily convert between various units across different categories like clothing, area, weight, and volume. Customize decimal places for precise results. This tool offers a simple and intuitive interface for all your conversion needs.

**Highlights:** Categorized unit conversions, Customizable decimal places, Simple and easy to use interface, Converts clothing, area, weight, volume, distance, time, and microwave time

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All Unit Conversion free?

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

### Is Unit Converter free?

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

### Which has better reviews, All Unit Conversion or Unit Converter?

All Unit Conversion is rated higher. All Unit Conversion averages 4.8 out of 5 from 29 ratings, while Unit Converter averages 4.6 from 56 ratings.

### Do All Unit Conversion or Unit Converter have ads?

Unit Converter shows ads; All Unit Conversion does not.

### Which is updated more often, All Unit Conversion or Unit Converter?

All Unit Conversion ships an update every 2 months, and Unit Converter every 2 days. Most recently, All Unit Conversion was updated on October 24, 2026 and Unit Converter on October 24, 2026.

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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.*