# Unit Conversion Calculator $ vs MultiConvert+ Unit Converter

The clearest difference is in-app purchases: Unit Conversion Calculator $ at none against MultiConvert+ Unit Converter's 2. Unit Conversion Calculator $ also leads on iOS requirement (13.0 vs 15.1). MultiConvert+ Unit Converter's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. MultiConvert+ Unit Converter sells 2 in-app purchases, starting at $2.99 per month. Unit Conversion Calculator $ asks for nothing beyond the download.

Unit Conversion Calculator $ ships an update every 9 months, MultiConvert+ Unit Converter every 6 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Unit Conversion Calculator $ | MultiConvert+ Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Size | 28 MB | 26 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JanoGroup LLC](https://appshunter.io/developer/1781461557) | [Oguzhan Kalfa](https://appshunter.io/developer/1793078038) |

## What reviewers say

### Unit Conversion Calculator $

[App page](https://appshunter.io/ios/app/unit-conversion-calculator/id6742060456)

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

**In-app purchases:** none


### MultiConvert+ Unit Converter

[App page](https://appshunter.io/ios/app/multiconvert-plus-unit-converter/id6745095313)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| MultiConvert Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Unit Conversion Calculator $ free?

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

### Is MultiConvert+ Unit Converter free?

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

### Do Unit Conversion Calculator $ or MultiConvert+ Unit Converter have ads?

Unit Conversion Calculator $ shows ads; MultiConvert+ Unit Converter does not.

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

Unit Conversion Calculator $ ships an update every 9 months, and MultiConvert+ Unit Converter every 6 weeks. Most recently, Unit Conversion Calculator $ was updated on October 12, 2026 and MultiConvert+ Unit Converter on October 9, 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.*