# Units Expert — Ultimate Unit Converter

> Ultimate Unit Converter (iPhone/iPad app by Dawei Xiong.)

- Source: https://appshunter.io/ios/app/units-expert/id6758969245 (this page in markdown: same URL + `.md`)
- Developer: [Dawei Xiong](https://appshunter.io/developer/1606763852)
- Category: Productivity, Utilities
- Price: $1.99
- Age rating: 4+
- Requires: iOS 13.0 · 21 MB
- Languages: American English
- Released: 2026-02-11
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/units-expert/id6758969245/reviews.md

## What is Units Expert?

Units Expert is a powerful, offline-first unit conversion app designed for professionals, students, and anyone who needs accurate unit conversions on the go. With support for 85+ units across 10 major categories, this app is your complete solution for all conversion needs.

Key Features

Comprehensive Unit Coverage
Length: Meter, kilometer, mile, yard, foot, inch, and more
Weight: Kilogram, gram, pound, ounce, ton, and more
Temperature: Celsius, Fahrenheit, Kelvin
Speed: m/s, km/h, mph, knots, and more
Volume: Liter, gallon, quart, cup, tablespoon, and more
Area: Square meter, square mile, hectare, acre, and more
Time: Second, minute, hour, day, week, month, year
Digital Storage: Bit, byte, KB, MB, GB, TB, and more
Energy: Joule, calorie, kWh, BTU, and more
Pressure: Pascal, bar, psi, atmosphere, and more

Smart & Intuitive
Real-time conversion as you type
Swap units with a single tap
Beautiful, modern UI interface
Dark mode support
Automatic history tracking
Favorite frequently used units
Smart sorting by usage frequency

Privacy-First
100% offline - no internet required
All data stored locally on your device
No ads, no tracking, no data collection
Complete privacy protection

Powerful Features
Conversion history with up to 100 recent conversions
Customizable decimal places (0–9 digits)
Copy results to clipboard instantly
Export and import data for backup
Multi-language support (English, Chinese, Spanish)
Usage statistics for each category

Perfect For
Students studying science, engineering, or mathematics
Professionals in construction, engineering, or manufacturing
Travelers converting currencies and measurements
Cooks and bakers converting recipes
Anyone who needs quick, accurate conversions


https://sites.google.com/view/units-expert-privacy-policy
https://sites.google.com/view/units-expert-terms-of-service


## Version history (last 1 release)

### 1.0.0 — 2026-02-11

No release notes.

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All apps by Dawei Xiong: https://appshunter.io/developer/1606763852

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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 2026-08-12.*