# Universal Converter. vs All Units

The clearest difference is price: All Units at Free against Universal Converter.'s $4.99. All Units also leads on rating (5.0 vs 4.3) and update cadence (every 3 days vs every 24 months). Universal Converter.'s advantage is ads (none vs shown) and ratings volume (12 vs 1). On in-app purchases, device support and iOS requirement there is nothing between them.

All Units is free to download; Universal Converter. costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

All Units holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Universal Converter. has 12 ratings behind it against 1, so its average is the more settled of the two.

Universal Converter. ships an update every 24 months, All Units every 3 days. The most recent releases landed on September 21, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | Universal Converter. | All Units |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/universal-converter/id519552652/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/all-units/id1663552827/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 3 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 5 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Vladyslav Yarmak](https://appshunter.io/developer/1456545549) |

## What reviewers say

### Universal Converter.

[App page](https://appshunter.io/ios/app/universal-converter/id519552652)

This utility app provides a comprehensive conversion calculator for a vast array of units across 64 categories. It offers automatic calculations based on input changes and supports regional decimal separators for ease of use.

**Highlights:** 64 conversion categories, 1333 units supported, Automatic value calculation, Supports regional decimal separators, Simple and easy to use interface, Engineering and educational utility

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

**In-app purchases:** none


### All Units

[App page](https://appshunter.io/ios/app/all-units/id1663552827)

This free utility app simplifies unit conversions for various measurements, saving time for technicians, students, and everyday users. It offers a wide range of conversion categories to make calculations easy and accurate.

**Highlights:** Unit conversion, Volume, Length, Mass, Temperature, Velocity, Time

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Universal Converter. free?

Universal Converter. costs $4.99, with no in-app purchases.

### Is All Units free?

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

### Which has better reviews, Universal Converter. or All Units?

All Units is rated higher. Universal Converter. averages 4.3 out of 5 from 12 ratings, while All Units averages 5.0 from 1 ratings.

### Do Universal Converter. or All Units have ads?

All Units shows ads; Universal Converter. does not.

### Which is updated more often, Universal Converter. or All Units?

Universal Converter. ships an update every 24 months, and All Units every 3 days. Most recently, Universal Converter. was updated on September 21, 2026 and All Units on August 30, 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.*