# Unit Converters vs Unit Converter & Calculators

The clearest difference is in-app purchases: Unit Converters at none against Unit Converter & Calculators's 1. Unit Converters also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Converter & Calculators sells 1 one-off in-app purchase. Unit Converters asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Unit Converters | Unit Converter & Calculators |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Size | 33 MB | 34 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dhiraj Sharma](https://appshunter.io/developer/1612823569) | [Umit YILMAZ](https://appshunter.io/developer/1772563348) |

## What reviewers say

### Unit Converters

[App page](https://appshunter.io/ios/app/unit-converters-all-units/id6468910020)

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

**In-app purchases:** none


### Unit Converter & Calculators

[App page](https://appshunter.io/ios/app/unit-converter-and-calculators/id6736622331)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Unit Converters free?

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

### Is Unit Converter & Calculators free?

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

### Do Unit Converters or Unit Converter & Calculators have ads?

Unit Converter & Calculators shows ads; Unit Converters does not.

### Which is updated more often, Unit Converters or Unit Converter & Calculators?

Unit Converters ships an update every 5 days, and Unit Converter & Calculators every 5 days. Most recently, Unit Converters was updated on November 3, 2026 and Unit Converter & Calculators on October 30, 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.*