# Unit Switch - Simple Converter — Scientific Unit Converter

> A simple, user-friendly converter for over 100 physical units. (iPhone/iPad app by Federico Del Castillo Carnero.)

- Source: https://appshunter.io/ios/app/unit-switch-simple-converter/id1518485131 (this page in markdown: same URL + `.md`)
- Developer: [Federico Del Castillo Carnero](https://appshunter.io/developer/1518485130)
- Category: Utilities, Education
- Price: Free
- Rating: 4.70/5 from 27 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: English
- Released: 2020-06-14
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/unit-switch-simple-converter/id1518485131/reviews.md

## What is Unit Switch?

Switch between 100+ physical units and 13 categories with a beautiful and easy to use user interface.

Unit Switch Features:
-Copy paste function for your conversions.
-History Book of past conversions.
-Conversion notepad.
-In-App dark mode.
-6 decimal scientific notation.

Enjoy your unit switching:)

## Key features

- 100+ physical units
- 13 conversion categories
- Copy-paste function
- Conversion history
- Conversion notepad
- Dark mode

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/unit-switch-simple-converter/id1518485131/reviews.md

### 4/5 — Useful and clean interface.

*2020-11-25*

Thank you for your application. I found this little app very useful and straight forward. I would like the ability to view in landscape format for the iPad but understand most will be using a phone. Also has ability to record notes within the application which is a handy addition.

### 5/5 — Nicely done!

*2020-07-27*

Simple and stylish.

### 5/5 — Happy user :)

*2020-06-29*

Beautiful unit conversion app! Very intuitive interface! :) the copy paste feature is so useful, i have been using it a lot lately to solve some engineering problems. Highly recommend 😊

### 5/5 — Great app by a great developer

*2020-06-15*

This App is very cool and reliable. Plus it’s made by Fred, it just can’t get any better!

### 5/5 — Simple and easy to use

*2020-06-15*

I love using this app for quick conversions. The UI is really elegant and easy to understand. I’ve been using it all semester for homework and haven’t found any issues with it yet!

### 5/5 — Just right

*2020-06-15*

It’s a great, simple, and clean app to do exactly what you need.

### 5/5 — Works great!

*2020-06-15*

Works great for converting units. Simple interface for fast results.

## Frequently asked questions about Unit Switch

### What units can Unit Switch convert?

Unit Switch supports over 100 physical units across 13 different categories, allowing for a wide range of conversion needs.

### Does Unit Switch have ads?

No, Unit Switch is ad-free, providing an uninterrupted conversion experience for users.

### Is Unit Switch available on Android?

Currently, Unit Switch is available for iPhone and iPod devices. Support for other platforms may be considered in future updates.

### How often is Unit Switch updated?

The app was last updated on July 9, 2020, to version 2.1. Update frequency can vary based on developer plans and user feedback.

### What is the age rating for Unit Switch?

Unit Switch has an age rating of 4+, making it suitable for a broad audience.

### Can I save my conversions with Unit Switch?

Yes, Unit Switch includes a 'History Book' feature to keep track of your past conversions and a 'Conversion notepad' for jotting down important calculations.

### Does Unit Switch support scientific notation?

Yes, Unit Switch offers 6-decimal scientific notation, enabling precise conversions for scientific and technical applications.

### What do users like about Unit Switch?

Based on its 4.7-star rating from 27 reviews, users likely appreciate its beautiful and easy-to-use interface, along with its comprehensive unit coverage.

## Version history (last 5 releases)

### 2.1 — 2020-07-09

New features:
-Conversion History.
-Conversions Notebook.
-Force Units.

### 2.0 — 2020-06-21

-Copy function for solution number.
-In-app dark mode selection.

### 1.2 — 2020-06-17

-Minor fixes and performance improvements.

### 1.1 — 2020-06-15

App Store screenshots preview update.

### 1.0 — 2020-06-15

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*