TrueLevel: Bubble Level

No ads. No subscriptions. No tracking. Pay once, use forever. The cleanest, most satisfying bubble level you'll put on your phone.

Simple tool. Serious precision. TrueLevel turns your iPhone into a professional-grade bubble level with a realistic, satisfying bubble you'll actually enjoy using. No clutter. No upsells. Just a beautiful, accurate level that works. Three orientations. One tool. Hold your phone vertical, horizontal, or lay it flat — TrueLevel automatically detects your phone orientation and adjusts instantly. Plumb detection that feels right. When you hit true level or plumb, TrueLevel lets you know with an audible ding and a crisp visual cue — so you can focus on your work, not the screen. Designed to get out of your way. Minimal interface. Realistic bubble aesthetic. No ads interrupting your workflow. No account required. No data collected. Ever. One-time purchase. No strings attached.