# Unit Converter and Conversion vs Units and Metrics

The clearest difference is in-app purchases: Units and Metrics at none against Unit Converter and Conversion's 1. Units and Metrics also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 10 months). 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. Units and Metrics asks for nothing beyond the download.

Unit Converter and Conversion ships an update every 10 months, Units and Metrics every 2 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Unit Converter and Conversion | Units and Metrics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (48 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 20 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Reno Softwares](https://appshunter.io/developer/1778003915) |

## 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 |


### Units and Metrics

[App page](https://appshunter.io/ios/app/units-and-metrics/id6737802252)

This app provides instant unit conversions across a wide range of categories, including everyday measurements and specialized fields. It features an offline mode, the ability to save favorite conversions, and a customizable interface with light and dark themes. Users can also manage their conversion history.

**Highlights:** Real-time conversions, Offline mode, Save favorite conversions, Customizable themes, Conversion history management, Comprehensive categories

**Features:** macOS Compatibility

**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 Units and Metrics free?

Units and Metrics is free to download, with no in-app purchases.

### Do Unit Converter and Conversion or Units and Metrics have ads?

Unit Converter and Conversion shows ads; Units and Metrics does not.

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

Unit Converter and Conversion ships an update every 10 months, and Units and Metrics every 2 weeks. Most recently, Unit Converter and Conversion was updated on October 25, 2026 and Units and Metrics on October 19, 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.*