# Pro Unit Converter vs Unit co

The clearest difference is in-app purchases: Unit co at none against Pro Unit Converter's 1. Pro Unit Converter's advantage is update cadence (daily vs weekly). On price, ads, monetization model and device support there is nothing between them.

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

Pro Unit Converter ships an update daily, Unit co weekly. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Pro Unit Converter | Unit co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-co/id6736639104/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Free | Free |
| Size | 37 MB | 24 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quang Tri Mai Nguyen](https://appshunter.io/developer/1626809833) | [Michael Mobayen](https://appshunter.io/developer/1586404621) |

## What reviewers say

### Pro Unit Converter

[App page](https://appshunter.io/ios/app/pro-unit-converter/id6452273430)

This free utility app offers a quick and convenient way to convert various units with a beautiful and intuitive interface. Save frequently used conversions for easy access and convert everything from area and length to temperature and data.

**Highlights:** Multiple conversion categories, Save frequent conversions, Intuitive user interface, Quick input and results, Beautiful design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads in the app | $0.99 | one-time |


### Unit co

[App page](https://appshunter.io/ios/app/unit-co/id6736639104)

Easily convert between various units of measurement with this straightforward utility. It offers a simple interface for quick and accurate conversions across different categories.

**Highlights:** Unit conversion, Multiple measurement categories, Simple interface, Accurate results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pro Unit Converter free?

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

### Is Unit co free?

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

### Do Pro Unit Converter or Unit co have ads?

Neither Pro Unit Converter nor Unit co shows ads.

### Which is updated more often, Pro Unit Converter or Unit co?

Pro Unit Converter ships an update daily, and Unit co weekly. Most recently, Pro Unit Converter was updated on September 18, 2026 and Unit co on September 16, 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.*