Level vs ToolTrunk

This app allows you to easily measure horizontal and vertical levels using your smartphone. Simply place your phone on the surface to measure. Intuitive animations clearly indicate when it is level. Equipped with a calibration function for high-precision measurement. Useful for DIY projects, construction, furniture installation, and more.

ToolTrunk is a beautiful, all-local toolkit that puts six precision instruments in your pocket. Whether you're hanging a picture, checking how loud the neighbors really are, or finding true north on a hike, ToolTrunk's tools are calibrated, fast, and respect your privacy. INSIDE THE TRUNK: • Level — A spirit level accurate to a tenth of a degree, with both bullseye and bar modes. Calibrate to any surface in one tap. • Compass — True heading with live calibration. Cardinal markings, fine ticks, and an honest accuracy badge so you know how much to trust the reading. • Sound Meter — A live decibel meter with peak, average, and a moving graph. Calibrated to common reference levels. • Flashlight — Torch, SOS strobe, and a full-brightness screen lantern. One tap on, one tap off. • Ruler — On-screen ruler in centimeters or inches. Calibrate once for your device, then measure anything. • Protractor — Measure angles precisely with both fixed and rotating modes. DESIGNED THE RIGHT WAY: • Every measurement happens on your device. No accounts, no sign-in, no analytics. • Beautiful in light and dark mode. • iPad-ready in portrait and landscape. • No upsell, no subscriptions. Free, supported by Google ads. You can opt out of personalized ads anytime.