Boat Units vs Speaker Toolkit

Boat Units gives sailors quick, reliable access to the conversions they use every day — from speed and distance to electrical, environmental, and onboard measurements. Designed for cruising sailors who want fast answers without digging through menus. Whether you’re checking wind speed, converting nautical miles, or working out electrical loads, everything is laid out for quick reference on the water. FEATURES Conversions tailored for sailors and yacht owners Nautical, environmental, electrical, length, and distance units Clean, simple interface built for quick use underway No ads, no clutter, no unnecessary categories DEVELOPMENT Boat Units is under active development, with new conversions and improvements planned. Feedback from sailors is always welcome and helps shape future releases.

A pocket audio lab for testing and exercising your iPhone speaker. Every tool generates sound locally — no microphone, no network, no account. • Speaker Cleaner — preset sweeps that may help dislodge loose water or dust. • Air Blower — shaped wind noise, four power levels. • Frequency Generator — 20 Hz to 20 kHz with live oscilloscope. • Speaker Test — Left, Right, Stereo, Bass, Treble diagnostics. • Noise Lab — White, Pink, Brown noise. Sound waves, not magic. Cannot repair damaged hardware.