uinitmaster Edge
17 Categories. One App
Only for iPhone
₪1.90 · Designed for iPhone. Not verified for macOS.
iPhone
From the kitchen to the server room — 100+ units in your pocket. Light & dark, bilingual EN/JA, searchable, with history and custom units. Precision, reimagined.
UnitMaster is a next-generation universal unit converter, built from the ground up for iPhone. Whether you're measuring ingredients in the kitchen or calculating network throughput at work, everything you need lives in one elegant app.
■ 17 Categories, 100+ Units
Length, mass, volume, area, temperature, time, speed, energy, power, pressure, angle, data rate, data size, frequency, wavelength, packet rate, latency — from everyday life to telecoms and networking, it's all here.
■ Instant, Precise Conversions
Results update in real time as you type. Swap source and target units with a single tap. Designed for the precision professionals need, with a feel that's effortless.
■ Bilingual — English & Japanese
One tap in the top-right toggles the entire interface, including all unit names, between English and Japanese. Built to work everywhere, for everyone.
■ Light & Dark Mode
Flip between themes with a single tap. Beautifully tuned for any time of day — comfortable indoors, clear outside.
■ Lightning-Fast Search
Search across unit names, symbols and categories. Type "mass", "Mbps" or "foot" and jump straight to what you need.
■ Automatic Conversion History
Every conversion is saved automatically. Tap any entry in your history to reuse it instantly — a massive time-saver for repetitive work.
■ Custom Units
Add your own units to any existing category. Perfect for proprietary, scientific or industry-specific measurements.
■ Adjustable Decimal Precision
Set decimals per conversion — go broad for quick estimates, or dial in for rigorous calculations. You're in control.
■ Beautifully Minimal Design
A modern, professional interface that balances information density and clarity. Every category opens to the same calm, confident experience.
Device: iPhone
Languages: English, Japanese
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, MASAHIRO HIRAIWA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- MASAHIRO HIRAIWA
- Size
- 27.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Hiraiwa
