Level Tool: Spirit & Bubble

Turn your iPhone into a precision measuring toolkit — fast, accurate and 100% offline. FOUR TOOLS IN ONE APP: SPIRIT LEVEL Hang shelves, frames and TVs perfectly straight. The digital bubble shows real-time tilt with haptic feedback the instant you hit dead level. INCLINOMETER Measure any angle from 0° to 360° on a beautiful circular gauge. Perfect for roof pitches, ramps and slopes. PLUMB LINE A virtual plumb bob reveals true vertical — ideal for door frames, wallpaper, tiles and posts. RULER Use your iPhone edge as a ruler in centimetres or inches. Auto-calibrated to your exact device model. MORE FEATURES: • Light and dark mode (or follow system) • 10 languages including English, German, French, Spanish, Italian, Portuguese, Japanese, Hindi, Arabic, Chinese • Haptic feedback at perfect alignment • Sound effects (toggle on/off) • Fully offline — no internet required • No ads, no tracking, no in-app purchases Whether you're a DIY enthusiast, tradesperson or pro — Spirit Level is the tool you always have on you. Download free — no sign-up, no ads.