# My Unit Conversion vs Metric Conversions Premium

The clearest difference is price: My Unit Conversion at Free against Metric Conversions Premium's $4.99. My Unit Conversion also leads on review sentiment (80% vs 67%) and iOS requirement (8.0 vs 15.1). Metric Conversions Premium's advantage is update cadence (every 2 months vs every 12 months). On ads, in-app purchases and device support there is nothing between them.

My Unit Conversion is free to download; Metric Conversions Premium costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

My Unit Conversion ships an update every 12 months, Metric Conversions Premium every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | My Unit Conversion | Metric Conversions Premium |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/metric-conversions-premium/id6743940201/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **80.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 37 MB | 26 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Timmings](https://appshunter.io/developer/1583590476) | [Wight Hat](https://appshunter.io/developer/1425885740) |

## What reviewers say

### My Unit Conversion

[App page](https://appshunter.io/ios/app/my-unit-conversion/id1600275661)

Easily convert units within various categories like length, mass, and temperature. This free application handles decimal conversions and is ad-free, offering a straightforward utility for everyday needs.

**Highlights:** Unit conversion within categories, Supports decimals, Ad-free experience, Multiple categories supported, Simple and straightforward design

**In-app purchases:** none


### Metric Conversions Premium

[App page](https://appshunter.io/ios/app/metric-conversions-premium/id6743940201)

This utility app offers a comprehensive suite of unit and currency conversions with a clean interface. It works offline and provides precise results, breaking down complex units into smaller components for detailed analysis. Users can save frequent conversions for quick access.

**Highlights:** No ads or data tracking, Offline functionality, Over 30,000 unit conversions, 130+ currencies with hourly updates, Save favorite conversions, Precise results up to 5 decimal places, Detailed unit breakdowns

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

**In-app purchases:** none


## Frequently asked questions

### Is My Unit Conversion free?

My Unit Conversion is free to download, with no in-app purchases.

### Is Metric Conversions Premium free?

Metric Conversions Premium costs $4.99, with no in-app purchases.

### Do My Unit Conversion or Metric Conversions Premium have ads?

Neither My Unit Conversion nor Metric Conversions Premium shows ads.

### Which is updated more often, My Unit Conversion or Metric Conversions Premium?

My Unit Conversion ships an update every 12 months, and Metric Conversions Premium every 2 months. Most recently, My Unit Conversion was updated on October 24, 2026 and Metric Conversions Premium on October 24, 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.*