LevelKit: Spirit Level Tool

Turn your iPhone into a precision spirit level with real-time bubble, angle measure, and Pro tools like stud finder and dB meter.

LevelKit turns your iPhone into a precision leveling tool. Whether you're hanging shelves, checking if a surface is flat, or measuring angles — LevelKit gives you instant, accurate readings.

SPIRIT LEVEL • Bullseye bubble shows pitch and roll on any surface • Roll bar for single-axis precision leveling • Green glow and haptic feedback when perfectly level • Tap to lock and save readings

ANGLE MEASURE / CLINOMETER • Protractor display with real-time angle tracking • Slope percentage readout • Set a reference angle and measure relative differences

PRO TOOLS (One-time $3.99 unlock) • Stud Finder — detect metal studs and pipes behind walls using the magnetometer • dB Meter — measure ambient sound levels with a rolling graph • Measurement History — save and review past readings • Screenshot Export — share readings as images • Calibration — fine-tune sensor accuracy for your device • No Ads — remove all advertisements

CALIBRATION Place your phone on a known flat surface and calibrate in 3 seconds. LevelKit corrects for your device's sensor offset, giving you more accurate readings.

DESIGNED FOR REAL USE • Works in any phone orientation • Large, glanceable angle readout • Minimal interface — no clutter, just the data you need • Dark mode support • Available in English, German, Italian, French, and Spanish

LevelKit is the tool you reach for every time you need to check if something is level. Simple, fast, and accurate.

LevelKit Pro is a one-time purchase of $3.99 that unlocks all Pro features forever. No subscriptions.