# Unit Converter and Conversion vs Unit Converter A1

The clearest difference is rating: Unit Converter and Conversion at 4.5 against Unit Converter A1's 2.0. Unit Converter and Conversion also leads on ratings volume (48 vs 1) and update cadence (every 10 months vs every 30 months). Unit Converter A1's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Converter and Conversion sells 1 one-off in-app purchase. Unit Converter A1 asks for nothing beyond the download.

Unit Converter and Conversion holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Unit Converter and Conversion has 48 ratings behind it against 1, so its average is the more settled of the two.

Unit Converter and Conversion ships an update every 10 months, Unit Converter A1 every 30 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Unit Converter and Conversion | Unit Converter A1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (48 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-a1/id1588554636/reviews) |
| Number of ratings | **48** | 1 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 months** | Every 30 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 24 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) |

## 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 |


### Unit Converter A1

[App page](https://appshunter.io/ios/app/unit-converter-a1/id1588554636)

This application simplifies daily unit conversions with easy-to-use tools. It offers a comprehensive range of conversions across basic, living, and science categories, making calculations accessible to everyone.

**Highlights:** Basic, Living, and Science Converters, Length, Weight, Area, Volume conversions, Temperature, Time, Speed, Fuel conversions, Pressure, Force, Power, Angle conversions, Digital and Frequency conversions, Easy and simple interface, Accurate and fast calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter and Conversion free?

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

### Is Unit Converter A1 free?

Unit Converter A1 is free to download, with no in-app purchases.

### Which has better reviews, Unit Converter and Conversion or Unit Converter A1?

Unit Converter and Conversion is rated higher. Unit Converter and Conversion averages 4.5 out of 5 from 48 ratings, while Unit Converter A1 averages 2.0 from 1 ratings.

### Do Unit Converter and Conversion or Unit Converter A1 have ads?

Unit Converter and Conversion shows ads; Unit Converter A1 does not.

### Which is updated more often, Unit Converter and Conversion or Unit Converter A1?

Unit Converter and Conversion ships an update every 10 months, and Unit Converter A1 every 30 months. Most recently, Unit Converter and Conversion was updated on October 11, 2026 and Unit Converter A1 on October 15, 2026.

---

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