# Unit Converter, 50+ Calculator vs Conversion Calculator

The clearest difference is review sentiment: Conversion Calculator at 100% against Unit Converter, 50+ Calculator's 62%. Conversion Calculator also leads on rating (4.8 vs 4.3) and ratings volume (165 vs 52). Unit Converter, 50+ Calculator's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Unit Converter, 50+ Calculator sells 1 one-off in-app purchase and Conversion Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Conversion Calculator holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 52 and 165 respectively. Written reviews point the same way: 62% of Unit Converter, 50+ Calculator's written reviews are positive against 100% of Conversion Calculator's.

Unit Converter, 50+ Calculator ships an update every 2 months, Conversion Calculator every 5 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Unit Converter, 50+ Calculator | Conversion Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (52 ratings)](https://appshunter.io/ios/app/unit-converter-50-plus-calculator/id1006382972/reviews) | **[4.8 (165 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** |
| Number of ratings | 52 | **165** |
| Positive reviews | 61.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 10 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Loopbots Technology](https://appshunter.io/developer/1384442096) | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) |

## 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 |


### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

This utility app offers a comprehensive unit conversion tool for various needs, including cooking, travel, and work. It supports over 120 units across 15 categories, with metric and imperial options. The app works offline and allows for customization of displayed decimals and category order.

**Highlights:** 15 categories and 120+ units, Metric and imperial conversions, Cooking, weight, length, temperature, and more, Offline functionality, Customizable decimal display, Apple Watch app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


## Frequently asked questions

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

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

### Is Conversion Calculator free?

Conversion Calculator is free to download, with in-app purchases available.

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

Conversion Calculator is rated higher. Unit Converter, 50+ Calculator averages 4.3 out of 5 from 52 ratings, while Conversion Calculator averages 4.8 from 165 ratings.

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

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

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

Unit Converter, 50+ Calculator ships an update every 2 months, and Conversion Calculator every 5 weeks. Most recently, Unit Converter, 50+ Calculator was updated on November 6, 2026 and Conversion Calculator on November 8, 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.*