About this app

Transform your iPhone into a professional-grade protractor with precision angle measurement capabilities. Protractor is a cutting-edge angle measurement application that leverages your device's advanced motion sensors to deliver laboratory-grade accuracy. Whether you're a professional engineer, architect, educator, or DIY enthusiast, this app provides the precision tools you need for any angle measurement task. Key Features: High-Precision Measurement • Multi-axis measurement system (Roll, Pitch, Yaw) • Real-time angle detection with 0.1-second update rate • Adjustable precision from 0–3 decimal places • Full 360° measurement range with smart normalization Smart Calibration System • Automatic calibration with stability detection • Manual calibration with reference angle input • Multi-point calibration for enhanced accuracy • Environmental adaptation for temperature and magnetic field changes Professional Tools • Visual protractor with traditional design • Compass mode for professional applications • Preset angle markers (0°, 15°, 30°, 45°, 60°, 90°, etc.) • Advanced angle calculator with trigonometric functions Data Management • Session-based measurement recording • Project organization and management • Export data in JSON and CSV formats • System-wide sharing capabilities Rich Feedback System • Multi-sensory feedback (sound, haptic, visual) • Customizable preset angle notifications • Professional angle classification (acute, right, obtuse, etc.) • Real-time device orientation display Advanced Analytics • Statistical analysis (average, min, max, standard deviation) • Time-based trend analysis • Data visualization with charts and graphs • Multi-session comparison tools Perfect for: • Engineers and architects for precise measurements • Educators for teaching geometry and trigonometry • Students for mathematics and physics studies • DIY enthusiasts for home improvement projects • Professionals requiring accurate angle verification Technical Excellence • Built with SwiftUI for modern iOS experience • CoreMotion integration for sensor accuracy • Optimized for battery efficiency • Universal device compatibility • Accessibility features included Download Protractor today and experience the future of angle measurement on your iPhone!

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