# Unit Converter, 50+ Calculator vs The Conversion App

The clearest difference is in-app purchases: The Conversion App at none against Unit Converter, 50+ Calculator's 1. Unit Converter, 50+ Calculator's advantage is review sentiment (62% vs 45%) and rating (4.3 vs 4.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Unit Converter, 50+ Calculator sells 1 one-off in-app purchase. The Conversion App asks for nothing beyond the download.

Unit Converter, 50+ Calculator holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 53 and 61 respectively. Written reviews point the same way: 62% of Unit Converter, 50+ Calculator's written reviews are positive against 45% of The Conversion App's.

Unit Converter, 50+ Calculator ships an update every 2 months, The Conversion App every 5 weeks. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Unit Converter, 50+ Calculator | The Conversion App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (53 ratings)](https://appshunter.io/ios/app/unit-converter-50-plus-calculator/id1006382972/reviews)** | [4.1 (61 ratings)](https://appshunter.io/ios/app/the-conversion-app/id1507894827/reviews) |
| Number of ratings | 53 | **61** |
| Positive reviews | **61.8% of reviews** | 45.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 17 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Loopbots Technology](https://appshunter.io/developer/1384442096) | [Sparrow Development LLC](https://appshunter.io/developer/1291798088) |

## What reviewers say

### Unit Converter, 50+ Calculator

[App page](https://appshunter.io/ios/app/unit-converter-50-plus-calculator/id1006382972)

This app offers a comprehensive solution for converting various units, including currencies, measurements, and more. With over 45 converters in a single, user-friendly interface, it simplifies calculations and saves device storage. It works offline and supports over 150 international currencies.

**Highlights:** All-in-one unit conversion, 45+ free converters, Currency converter (150+ currencies), Offline functionality, User-friendly interface, App-wide search

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $1.99 | one-time |


### The Conversion App

[App page](https://appshunter.io/ios/app/the-conversion-app/id1507894827)

This utility app offers a simple and powerful way to perform various unit conversions. It supports a wide range of categories and allows users to request new conversions to be added. Available on iPhone and iPad, it's designed for ease of use.

**Highlights:** Area conversion, Data conversion, Length conversion, Speed conversion, Time conversion, Volume conversion, Weight conversion

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter, 50+ Calculator free?

Unit Converter, 50+ Calculator is free to download, with in-app purchases available.

### Is The Conversion App free?

The Conversion App is free to download, with no in-app purchases.

### Which has better reviews, Unit Converter, 50+ Calculator or The Conversion App?

Unit Converter, 50+ Calculator is rated higher. Unit Converter, 50+ Calculator averages 4.3 out of 5 from 53 ratings, while The Conversion App averages 4.1 from 61 ratings.

### Do Unit Converter, 50+ Calculator or The Conversion App have ads?

Neither Unit Converter, 50+ Calculator nor The Conversion App shows ads.

### Which is updated more often, Unit Converter, 50+ Calculator or The Conversion App?

Unit Converter, 50+ Calculator ships an update every 2 months, and The Conversion App every 5 weeks. Most recently, Unit Converter, 50+ Calculator was updated on October 16, 2026 and The Conversion App on October 21, 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.*