# The Conversion App vs Unit Converter

The clearest difference is review sentiment: Unit Converter at 100% against The Conversion App's 45%. Unit Converter also leads on rating (5.0 vs 4.1) and update cadence (weekly vs every 5 weeks). The Conversion App's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and ratings volume there is nothing between them.

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

Unit Converter holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 61 and 42 respectively. Written reviews point the same way: 45% of The Conversion App's written reviews are positive against 100% of Unit Converter's.

The Conversion App ships an update every 5 weeks, Unit Converter weekly. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | The Conversion App | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (61 ratings)](https://appshunter.io/ios/app/the-conversion-app/id1507894827/reviews) | **[5.0 (42 ratings)](https://appshunter.io/ios/app/unit-converter-omniconvert/id1602930764/reviews)** |
| Number of ratings | **61** | 42 |
| Positive reviews | 45.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 35 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sparrow Development LLC](https://appshunter.io/developer/1291798088) | [Jonathan Chen](https://appshunter.io/developer/1602930766) |

## What reviewers say

### 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


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-omniconvert/id1602930764)

This app provides a comprehensive suite of tools for unit and currency conversions, along with various calculators and scientific constants. It offers real-time exchange rates, works offline, and supports a wide range of categories. Enjoy a user-friendly experience with features like dark mode and no conversion limits.

**Highlights:** Unit conversions, Currency conversions, Real-time exchange rates, Offline functionality, Variety of calculators, Scientific constants, Dark mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OmniConvert Pro | $2.99 | one-time |


## Frequently asked questions

### Is The Conversion App free?

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

### Is Unit Converter free?

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

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

Unit Converter is rated higher. The Conversion App averages 4.1 out of 5 from 61 ratings, while Unit Converter averages 5.0 from 42 ratings.

### Do The Conversion App or Unit Converter have ads?

Unit Converter shows ads; The Conversion App does not.

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

The Conversion App ships an update every 5 weeks, and Unit Converter weekly. Most recently, The Conversion App was updated on October 21, 2026 and Unit Converter on October 15, 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.*