# Angle Protractor Finder Tool — Smart clinometer & calculator

> Smart clinometer & calculator (iPhone/iPad app by Guangzhou AiLa Network Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/angle-protractor-finder-tool/id6748715743 (this page in markdown: same URL + `.md`)
- Developer: [Guangzhou AiLa Network Technology Co., Ltd.](https://appshunter.io/developer/1484448635)
- Category: Utilities, Lifestyle
- Price: Free (on sale, was $0.99)
- Age rating: 17+
- Requires: iOS 16.6 · 3 MB
- Languages: American English
- Released: 2025-07-17
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/angle-protractor-finder-tool/id6748715743/reviews.md

## What is Angle Protractor Finder Tool?

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!


## Version history (last 1 release)

### 1.0 — 2025-07-17

No release notes.

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All apps by Guangzhou AiLa Network Technology Co., Ltd.: https://appshunter.io/developer/1484448635

## Related topics

[angle protractor](https://appshunter.io/ios/topics/angle-protractor)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*