# Unit Converter Toolbox vs niemann

The clearest difference is device support: Unit Converter Toolbox at 3 against niemann's —. niemann's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Unit Converter Toolbox | niemann |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 32 MB | 75 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Andrej Podlubnyj](https://appshunter.io/developer/583628251) | [Hermann J. Niemann](https://appshunter.io/developer/1630316469) |

## What reviewers say

### Unit Converter Toolbox

[App page](https://appshunter.io/ios/app/unit-converter-toolbox/id583628208)

Easily convert between various units of measurement for mass, temperature, distance, volume, pressure, area, weight, density, and more. This application supports both standard and exotic units, offering a straightforward solution for diverse conversion needs.

**Highlights:** Converts physical quantities, Converts volume units, Converts pressure units, Converts area units, Converts weight units, Converts temperature units, Converts density units, Converts length units

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

**In-app purchases:** none


### niemann

[App page](https://appshunter.io/ios/app/niemann-immo/id1630316467)

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter Toolbox free?

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

### Is niemann free?

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

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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.*