# Unit Converter and Conversion vs Units Converter Pro

The clearest difference is ads: Units Converter Pro at none against Unit Converter and Conversion's shown. Units Converter Pro also leads on update cadence (every 3 days vs every 10 months) and rating (4.4 vs 4.0). Unit Converter and Conversion's advantage is ratings volume (55 vs 5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Converter and Conversion sells 1 one-off in-app purchase and Units Converter Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Units Converter Pro holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Unit Converter and Conversion has 55 ratings behind it against 5, so its average is the more settled of the two.

Unit Converter and Conversion ships an update every 10 months, Units Converter Pro every 3 days. Both last shipped on October 20, 2026.

## The numbers

| Metric | Unit Converter and Conversion | Units Converter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (55 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews) | **[4.4 (5 ratings)](https://appshunter.io/ios/app/units-converter-pro/id1541377300/reviews)** |
| Number of ratings | **55** | 5 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 11 MB |
| Requires iOS | 15.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Nixus Development](https://appshunter.io/developer/495677027) |

## What reviewers say

### Unit Converter and Conversion

[App page](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532)

This app offers a user-friendly interface for converting units across more than 40 categories, including length, weight, volume, and digital storage. It works offline and saves conversion history for future reference. Ideal for students and professionals needing quick and accurate conversions.

**Highlights:** Over 40 conversion categories, Offline functionality, Conversion history saving, User-friendly interface, Supports length, weight, volume, and more, Elegant graphics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter Pro | $4.99 | one-time |


### Units Converter Pro

[App page](https://appshunter.io/ios/app/units-converter-pro/id1541377300)

Easily convert over 700 different units across various categories like length, area, currency, and temperature. This tool simplifies complex conversions for everyday use and professional needs.

**Highlights:** Converts 700+ units, Supports Angle, Area, Currency, Includes Data, Energy, Force, Covers Fuel, Length, Power, Handles Pressure, Speed, Temperature, Converts Time and Volume

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Unit Converter and Conversion free?

Unit Converter and Conversion is free to download, with in-app purchases available.

### Is Units Converter Pro free?

Units Converter Pro is free to download, with in-app purchases available.

### Which has better reviews, Unit Converter and Conversion or Units Converter Pro?

Units Converter Pro is rated higher. Unit Converter and Conversion averages 4.0 out of 5 from 55 ratings, while Units Converter Pro averages 4.4 from 5 ratings.

### Do Unit Converter and Conversion or Units Converter Pro have ads?

Unit Converter and Conversion shows ads; Units Converter Pro does not.

### Which is updated more often, Unit Converter and Conversion or Units Converter Pro?

Unit Converter and Conversion ships an update every 10 months, and Units Converter Pro every 3 days. Most recently, Unit Converter and Conversion was updated on October 20, 2026 and Units Converter Pro on October 20, 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.*