Angle Protractor Finder Tool
Smart clinometer & calculator
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Measure angles with pro precision! Smart calibration, real-time tilt display & 360° support—ideal for engineers, DIYers & educators.
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!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 广州艾拉网络技术有限公司, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Guangzhou AiLa Network Technology Co., Ltd.
- Size
- 2.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- Copyright
- © Aira Network