---
title: "Shift Unit - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Shift Unit is a unit converter designed with usability and numerical precision in mind. It features 1400+ conversion units across 34 categories. It works great in light or dark mode, and as a Home Wid"
---

# Shift Unit — United States
> Unit & Currency Converter

![Shift Unit App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/9f/83/59/9f8359bc-9f03-dc52-01d5-665ce3ba6269/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Didier Burton](https://apptail.io/developer/didier-burton-oJLb)
**Category:** Utilities
**Rating:** 5.0/5 (21 ratings)
**Price:** Free
**Bundle ID:** com.didierburton.TransUnit
**Store:** Apple App Store
**Country:** United States
**Version:** 1.9.7 (released 2026-08-25)
**Original Release:** 2020-07-15
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1514037983)
**AppTail Page:** [https://apptail.io/app/shift-unit-AHvb/united-states](https://apptail.io/app/shift-unit-AHvb/united-states)

## Shift Unit Description
Shift Unit is a unit converter designed with usability and numerical precision in mind. It features 1400+ conversion units across 34 categories. It works great in light or dark mode, and as a Home Widget w/ localized number displays.
Independent WatchOS app and complications.

Operations can be carried out in portrait mode in simple precision (7 significant digits,) or in landscape mode in double precision (14 significant digits.)
Conversion formulae use exact definitions of related entities--not approximations.
Wikipedia page information can be pulled for categories and conversion units. (Look for info circle.)

The custom keypad has a calculator mode, and allows to enter/edit numbers on either side of the conversion.
Unit categories include Acceleration, Angle, Area, Bit Rate, Clock, Online Currencies, Data Storage, Area Density, Volumetric Density, Electric Charge, Electric Current, Energy, Volumetric Flow Rate, Force, Frequency, Fuel, Length, Luminance, Lux, Mass Flow Rate, Momentum, Power, Pressure, Radiation Dose, Radioactivity, Radiation Exposure, Speed, Temperature, Temperature Delta, Time, Torque, Typography, Volume, and Weight.

Features:
- One screen operation minimizing number of gestures
- Numbers (digits, decimal/grouping separators, exponent)/time/country names localized to your (or any) region
- Current time in 2 out of 439 world cities and see your cities pinned on a flyover map, an educational way of discovering the world through time zones
- Weather conditions and forecast for time zone cities
- Dedicated accessibility labels and hints for VoiceOver operations
- Customizable number entry timeout allowing to enter a new number without having to clear the field. (Turned off when an accessibility feature, e.g. VoiceOver, is on)
- Customizable user interface (preferred categories; user interface alignment for left/right-handed entry or 2-thumb operations)
- Ability to swap units while keeping initial numerical entry
- Category presets for quick change of context, including user preset
- Long-press category button to remove, or add a category on the fly
- Long-press number field for copy/paste
- Paste Mathematical constants (Pi, e, etc.)
- Education via Wikipedia pages for categories and conversion units
- Currency conversions using online rates
- Searchable list of currency rates with possibility to change base rate
- Set favorite currencies
- Built-in numeric keypad (with calculator mode) to enter numbers on either side of the conversion
- Long-press delete key to clear the field in focus
- Engineering number format handling
- Infinity and negative numbers handling
- 7 or 14-digit precision displays (3-digit fractions for currencies) 
- Searchable list of 1400+ conversion units across 34 categories
- On-boarding screens for general operations and for the Currency category (turned off when VoiceOver is on)
- Home widget for quick conversions using units selected in the hosting app

Happy Conversions!

## Shift Unit Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c2/e7/92/c2e792ec-1ee3-df19-67df-2788a25287f3/63b2bc44-f7d4-423a-9012-5b3e0f54cf95_1_-_Watch_9_-_Speed_Conversion.png/396x484.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/b0/c8/7e/b0c87e8f-0d4f-5aca-4a4d-15d57c0ddc21/1f9b12be-a3e8-43eb-9f98-cda66959f9f2_8_-_Watch_9_-_Complication.png/396x484.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/98/65/56/98655604-9d2e-5a55-d722-d1fa116df394/96c673e0-3a8f-48b4-8eba-fc0aedfbb903_7_-_Watch_9_-_Widget.png/396x484.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/05/cd/a2/05cda28f-d28c-9934-26b2-3b32d8c3d55e/15f374e9-b9f0-4cc4-8115-e099f5aebcf6_2_-_Watch_9_-_Settings_Main.png/396x484.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/dd/a9/db/dda9dbbb-a151-7e83-5725-ab90e8f2ef4f/cdb95ebe-ca71-450b-bab8-62225a34741b_3_-_Watch_9_-_Speed_Selections.png/396x484.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/81/86/72/818672d9-d3ba-7081-89f4-29fc7a4c6362/3a819220-c647-40d6-a475-d6dcdb0ecee7_4_-_Watch_9_-_Preferred_Categories.png/396x484.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/8f/60/9f/8f609f66-c03f-d931-a9bc-cd9f9ccb83ca/24c05956-d41d-4eae-a2a1-34787868e19a_5_-_Watch_9_-_History_4_Items.png/396x484.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c0/a1/49/c0a14980-1456-fdb9-717c-d301d52cbf7f/b41666bb-d233-4523-9632-3c51a36a318d_6_-_Watch_9_-_Clock_Japan_Jp.png/396x484.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/9f/88/fa/9f88fa1e-13b3-aa62-e5dd-a3d5d8ad39e9/af06a39b-afa3-4a10-9dce-864eb9d7d7ed_10_-_Watch_9_-_Main_Arabic.png/396x484.png)
- [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/f3/9b/38/f39b3837-a226-5f87-9cc7-988af6ebc072/c0de438f-d556-4285-b6bf-440f5e03e615_9_-_Watch_9_-_History_Arabic.png/396x484.png)

## Shift Unit Rating Breakdown in United States
- 5 stars: 20 (95%)
- 4 stars: 1 (5%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Shift Unit Reviews in United States

### ***** "Fantastic app"
A Swiss Army knife of unit conversions! Allows customizing what units to convert so you don't need to scroll through long lists of possible choices.  Currencies update automatically. Developer responds to feedback. Five Stars!
-- Vagabond800, 2024-10-16

### ****- "Almost"
Great app, if one only could select favorites for other unites besides currency only.
Please add that feature and this app will be a 5 star app.
-- Angelo1303, 2024-03-09

### ***** "Almost the only app deserves 5 stars"
Shift unit is a tremendously useful app, mixed with neat design and all of that is free. A real 5-Star app.
-- Se-x-y-z, 2022-01-20

### ***** "Must have- Simply Awsome"
This is best conversation app available on appstore, Developer is so kind! Just keep updating it frequently and please add auto update of rates whenever we open the app!
-- Skfervid, 2021-08-16

[View all Shift Unit reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## Shift Unit Discovered Keywords
- fuel calculator
- shift unit

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## Shift Unit Available In
- [United States](https://apptail.io/app/shift-unit-AHvb/united-states)
- [Italy](https://apptail.io/app/shift-unit-AHvb/italy)
- [United Kingdom](https://apptail.io/app/shift-unit-AHvb/united-kingdom)
- [Germany](https://apptail.io/app/shift-unit-AHvb/germany)
- [Singapore](https://apptail.io/app/shift-unit-AHvb/singapore)
- [Egypt](https://apptail.io/app/shift-unit-AHvb/egypt)
- [Brazil](https://apptail.io/app/shift-unit-AHvb/brazil)
- [Malaysia](https://apptail.io/app/shift-unit-AHvb/malaysia)
- [South Korea](https://apptail.io/app/shift-unit-AHvb/south-korea)
- [Czechia](https://apptail.io/app/shift-unit-AHvb/czechia)
- [Portugal](https://apptail.io/app/shift-unit-AHvb/portugal)
- [China](https://apptail.io/app/shift-unit-AHvb/china)
- [Hungary](https://apptail.io/app/shift-unit-AHvb/hungary)
- [Indonesia](https://apptail.io/app/shift-unit-AHvb/indonesia)
- [Switzerland](https://apptail.io/app/shift-unit-AHvb/switzerland)
- [South Africa](https://apptail.io/app/shift-unit-AHvb/south-africa)
- [Saudi Arabia](https://apptail.io/app/shift-unit-AHvb/saudi-arabia)
- [Japan](https://apptail.io/app/shift-unit-AHvb/japan)
- [Estonia](https://apptail.io/app/shift-unit-AHvb/estonia)
- [Spain](https://apptail.io/app/shift-unit-AHvb/spain)
- [Finland](https://apptail.io/app/shift-unit-AHvb/finland)
- [France](https://apptail.io/app/shift-unit-AHvb/france)
- [Ghana](https://apptail.io/app/shift-unit-AHvb/ghana)
- [Greece](https://apptail.io/app/shift-unit-AHvb/greece)
- [Hong Kong SAR China](https://apptail.io/app/shift-unit-AHvb/hong-kong)
- [Croatia](https://apptail.io/app/shift-unit-AHvb/croatia)
- [Ireland](https://apptail.io/app/shift-unit-AHvb/ireland)
- [Israel](https://apptail.io/app/shift-unit-AHvb/israel)
- [India](https://apptail.io/app/shift-unit-AHvb/india)
- [Iceland](https://apptail.io/app/shift-unit-AHvb/iceland)
- [Kuwait](https://apptail.io/app/shift-unit-AHvb/kuwait)
- [Cayman Islands](https://apptail.io/app/shift-unit-AHvb/cayman-islands)
- [Kazakhstan](https://apptail.io/app/shift-unit-AHvb/kazakhstan)
- [Lebanon](https://apptail.io/app/shift-unit-AHvb/lebanon)
- [Sri Lanka](https://apptail.io/app/shift-unit-AHvb/sri-lanka)
- [Lithuania](https://apptail.io/app/shift-unit-AHvb/lithuania)
- [Luxembourg](https://apptail.io/app/shift-unit-AHvb/luxembourg)
- [Latvia](https://apptail.io/app/shift-unit-AHvb/latvia)
- [Madagascar](https://apptail.io/app/shift-unit-AHvb/madagascar)
- [North Macedonia](https://apptail.io/app/shift-unit-AHvb/north-macedonia)
- [Malta](https://apptail.io/app/shift-unit-AHvb/malta)
- [Mexico](https://apptail.io/app/shift-unit-AHvb/mexico)
- [Nigeria](https://apptail.io/app/shift-unit-AHvb/nigeria)
- [Netherlands](https://apptail.io/app/shift-unit-AHvb/netherlands)
- [Norway](https://apptail.io/app/shift-unit-AHvb/norway)
- [Nepal](https://apptail.io/app/shift-unit-AHvb/nepal)
- [New Zealand](https://apptail.io/app/shift-unit-AHvb/new-zealand)
- [Oman](https://apptail.io/app/shift-unit-AHvb/oman)
- [Peru](https://apptail.io/app/shift-unit-AHvb/peru)
- [Philippines](https://apptail.io/app/shift-unit-AHvb/philippines)
- [Pakistan](https://apptail.io/app/shift-unit-AHvb/pakistan)
- [Poland](https://apptail.io/app/shift-unit-AHvb/poland)
- [Romania](https://apptail.io/app/shift-unit-AHvb/romania)
- [Russia](https://apptail.io/app/shift-unit-AHvb/russia)
- [Sweden](https://apptail.io/app/shift-unit-AHvb/sweden)
- [Slovenia](https://apptail.io/app/shift-unit-AHvb/slovenia)
- [United Arab Emirates](https://apptail.io/app/shift-unit-AHvb/united-arab-emirates)
- [Suriname](https://apptail.io/app/shift-unit-AHvb/suriname)
- [Thailand](https://apptail.io/app/shift-unit-AHvb/thailand)
- [Tunisia](https://apptail.io/app/shift-unit-AHvb/tunisia)
- [Türkiye](https://apptail.io/app/shift-unit-AHvb/turkey)
- [Taiwan](https://apptail.io/app/shift-unit-AHvb/taiwan)
- [Ukraine](https://apptail.io/app/shift-unit-AHvb/ukraine)
- [Uzbekistan](https://apptail.io/app/shift-unit-AHvb/uzbekistan)
- [Vietnam](https://apptail.io/app/shift-unit-AHvb/vietnam)
- [Slovakia](https://apptail.io/app/shift-unit-AHvb/slovakia)
- [Armenia](https://apptail.io/app/shift-unit-AHvb/armenia)
- [Argentina](https://apptail.io/app/shift-unit-AHvb/argentina)
- [Austria](https://apptail.io/app/shift-unit-AHvb/austria)
- [Australia](https://apptail.io/app/shift-unit-AHvb/australia)
- [Azerbaijan](https://apptail.io/app/shift-unit-AHvb/azerbaijan)
- [Belgium](https://apptail.io/app/shift-unit-AHvb/belgium)
- [Bahrain](https://apptail.io/app/shift-unit-AHvb/bahrain)
- [Brunei](https://apptail.io/app/shift-unit-AHvb/brunei)
- [Belarus](https://apptail.io/app/shift-unit-AHvb/belarus)
- [Canada](https://apptail.io/app/shift-unit-AHvb/canada)
- [Chile](https://apptail.io/app/shift-unit-AHvb/chile)
- [Colombia](https://apptail.io/app/shift-unit-AHvb/colombia)
- [Cyprus](https://apptail.io/app/shift-unit-AHvb/cyprus)
- [Denmark](https://apptail.io/app/shift-unit-AHvb/denmark)
- [Dominican Republic](https://apptail.io/app/shift-unit-AHvb/dominican-republic)
- [Algeria](https://apptail.io/app/shift-unit-AHvb/algeria)
- [Ecuador](https://apptail.io/app/shift-unit-AHvb/ecuador)
- [Jamaica](https://apptail.io/app/shift-unit-AHvb/jamaica)

---

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