uinitmaster Edge

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