# Converter vs UnitPro

The clearest difference is update cadence: UnitPro at every 3 weeks against Converter's every 2 months. Converter's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Converter ships an update every 2 months, UnitPro every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Converter | UnitPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/converter/id565083506/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 66 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nic Kolbe](https://appshunter.io/developer/512550641) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### Converter

[App page](https://appshunter.io/ios/app/converter/id565083506)

This comprehensive tool offers over 14,000 conversion possibilities across 30 categories, providing precise calculations for students, scientists, and travelers. It features an educational layout, smart tooltips, and currency updates from trusted sources.

**Highlights:** Over 14,000 conversion combinations, Precision up to 100 digits, Scientific, standard, and custom formats, Educational layout with visible unit values, User-friendly interface, Easy export or copy/paste of results, Currency updates via IMF

**Features:** Vision Pro support

**In-app purchases:** none


### UnitPro

[App page](https://appshunter.io/ios/app/unitpro-all-converter/id6771362180)

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

**In-app purchases:** none


## Frequently asked questions

### Is Converter free?

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

### Is UnitPro free?

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

### Do Converter or UnitPro have ads?

Neither Converter nor UnitPro shows ads.

### Which is updated more often, Converter or UnitPro?

Converter ships an update every 2 months, and UnitPro every 3 weeks. Most recently, Converter was updated on October 6, 2026 and UnitPro on October 11, 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.*