Ruler: Measure Length & Angles

Ruler App turns your smartphone into a precise measurement tool. Measure length,
size, and angles instantly with your phone screen.

Whether you need a quick measurement at home, at work, or for a school project —
this app has you covered. Just place an object on your screen and read the result.

📏 RULER MODE
• Accurate on-screen ruler with cm, mm, and inch markings
• Two draggable markers for precise measurement
• Clean, easy-to-read scale along the screen edge
• Copy measurements to clipboard instantly

📐 PROTRACTOR
• Measure angles from 0° to 360°
• Two adjustable arms with center pivot
• Clear degree markings and real-time angle display

📏 SCROLL & MEASURE
• Measure objects longer than your phone screen
• Scroll to extend the ruler beyond the display
• Accumulated measurement tracking

⚙️ CALIBRATION
• Credit card calibration for maximum accuracy
• Manual calibration with real ruler comparison
• One-time setup for reliable measurements

🎨 CUSTOMIZATION
• Light and dark theme support
• Multiple unit options: cm, mm, inch (decimal & fractional)
• Save measurement history for later reference.