Your phone already has everything you need to measure and level — no extra tools required. Digital Ruler & Level gives you a precise screen ruler and a reliable bubble level, always in your pocket.

⚡ Key Features
- Screen ruler accurate to the millimeter
- Measure length, width, height, and thickness
- Switch between centimeters and inches instantly
- Calibrate the ruler to your exact screen size
- Save measurements with custom object names
- Bubble level with horizontal, vertical, and combined modes
- Numeric X/Y deviation display for precise leveling
- Uses your phone's built-in gyroscope
- Works on smartphones and tablets

📐 Digital Ruler — Measure Anything on Screen
Place your phone against any object and get an accurate measurement right on screen. This digital ruler works to the millimeter — handy at school, in the workshop, during repairs, or any time you need a quick and reliable ruler without carrying one.

🔧 Calibration for Accurate Results
Every screen is different, so the ruler can be calibrated to match your exact device. A quick calibration ensures your measurements are as accurate as possible — no guesswork, no rounding errors.

💾 Save Your Measurements
Every measurement can be saved with a custom name, so you always know what you measured and when. Useful for repairs, shopping, sewing, or any project where keeping track of dimensions matters.

🔵 Bubble Level — Precise Spirit Level on Your Phone
The built-in bubble level uses your phone's gyroscope to detect surface deviation with precision. Switch between horizontal, vertical, or combined mode and read exact X/Y values on screen — perfect for hanging shelves, aligning frames, or checking any surface during construction or repair.

Tap Install and turn your phone into a digital ruler and bubble level — a simple, accurate measuring app for everyday use.

Measure, Ruler, Bubble Level — Old versions

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