# Arrette Sketch drafting tools vs Unit Conversion

The clearest difference is iOS requirement: Arrette Sketch drafting tools at 12.4 against Unit Conversion's 17.6. On price, ads, in-app purchases and device support 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 | Arrette Sketch drafting tools | Unit Conversion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (9 ratings)](https://appshunter.io/ios/app/arrette-sketch-drafting-tools/id866665125/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Ad-supported | — |
| Size | 53 MB | 55 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Arrette, Inc.](https://appshunter.io/developer/730151023) | [Ricardo Contente](https://appshunter.io/developer/1835945159) |

## What reviewers say

### Arrette Sketch drafting tools

[App page](https://appshunter.io/ios/app/arrette-sketch-drafting-tools/id866665125)

Create hand-drawn designs at a measurable scale, ideal for architects and designers. This app offers a simplified drawing experience with tools like freehand pens and an adjustable grid, allowing for easy sharing via email or saving to your device.

**Highlights:** Freehand drawing pens with vector scaling, Adjustable grid system (metric/decimal feet), Load base images to draw on, Lasso tool for selections, Easy sharing via email, Save drawings to device

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Conversion

[App page](https://appshunter.io/ios/app/unit-conversion-pro/id6751759968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arrette Sketch drafting tools free?

Arrette Sketch drafting tools is free to download, with no in-app purchases.

### Is Unit Conversion free?

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

### Do Arrette Sketch drafting tools or Unit Conversion have ads?

Both Arrette Sketch drafting tools and Unit Conversion show ads.

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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.*