The precise spirit level, the exact ruler, and the smart protractor all in one app. The ultimate multi-tool for DIY enthusiasts, campers, and professionals.

Whether you want to hang pictures perfectly straight, align your washing machine with millimeter precision, or level your caravan – the Tool Assistant transforms your Android smartphone and, optionally, your Wear OS smartwatch into a reliable measuring tool. Completely ad-free and without data collection!

The highlights at a glance:

📏 3-in-1 Spirit Level: Use the classic bubble level for flat surfaces or the tubular spirit levels for precise edges and slopes. The perfect level for every DIY project.

⌚ Wear OS Integration (Pro): The ultimate game-changer! Connect your Galaxy Watch, Pixel Watch, or other Wear OS watches and get the live display (spirit level & decibels) directly on your wrist. Synchronized in real time – ideal for working under cabinets when you can't see your phone.

📐 Precise Ruler: Measure objects directly on the display. The digital ruler can be calibrated precisely to your screen size.

🔦 AR Laser Plumb Line (Pro): Project a virtual laser plumb line directly into the room using state-of-the-art augmented reality. Perfect for precisely aligning objects on the wall, even over longer distances.

📐 Inclinometer (Pro): Simply place your phone on the object and measure the exact angle in degrees.

🔊 Decibel Meter (Pro): Check the volume and noise level in dB in real time. Ideal for the workshop, construction site, or noise checks at a darts game.

🌙 Premium Dark Mode: A high-contrast, dark design (OLED-optimized) that conserves battery power and is perfectly readable even outdoors in sunlight.

🛡️ 100% Privacy: No registration, no tracking, no advertising. Your measurement data stays offline and only on your device.

Turn your phone into the smartest tool in your toolbox and download the Tool Assistant for free now!