Measure lengths with a ruler supporting metric and inch units. Detect ambient noise levels using a decibel meter. Use a protractor tool to measure angles via camera. Calibrate and view objects for precise measurements.
by 飞剑 姚★ 5.02 ratingsProductivity$0.99Data updated 2026-09-12
Measure sound levels with a professional-grade sound level meter. Display decibel readings, frequency analysis, and real-time data. Set sampling intervals, average measurements, and export results. Track maximum and minimum levels.
Measure angles, level surfaces, and track progress
Measure angles and slopes with the protractor tool. Use the level function to check horizontal, vertical, and 45° angles. Measure height, length, and width with the caliper tool.
Measure by matching the inner edge to the 's white circle. Adjust the slider to align the diameter or circumference. View results in metric or imperial units, including US, Canadian, and Australian sizing systems.
Use to measure objects in real time with accurate centimeters, inches, and meters. Tap to measure distances, take unlimited readings, and view real-time AR visuals for precise results.
Measure angles with precision up to 0.02°. Use surface and auto-select features for accurate readings. Convert angles between degrees, grade, and roof pitch. Includes a ruler for actual size measurements. No advertisements.
Objects using an augmented reality camera interface. Select units like inches, feet, centimeters, or meters. Capture and save measurements. Share results via email or messaging. Sync measurements across devices.
Distances and angles by moving your device. Use accelerometer data to calculate length, width, and height. Determine angles with a protractor tool. Switch between ruler, , rangefinder, and 3D angle finder modes.
Detect inclination using a digital . angles and ensure surfaces are . Includes a straight and 2D for precise measurements. Place device against surfaces to check alignment.
Create and edit PDFs with tools, drawing features, and text annotations. Convert documents to PDF, add signatures, and organize pages. Access files across devices and store them in the cloud. Share and export PDFs in various formats.
Meter detects and records seismic waves from earthquakes, volcanic eruptions, and other vibrations. It uses the phone's accelerometer to measure and analyze motion. Displays a graph of ground movement over time. Allows users to save and review data.
Measure ambient noise levels and display readings. Show detection location and time. Export audio recordings for sharing. Provide reference data for noise level awareness. Not a substitute for professional equipment.
Generate tones between 50 Hz and 30,000 Hz for testing or tuning. Track environmental noise levels and detect harmful sound pressure. from phone speakers using sound waves to restore sound clarity.
Measure angles on photos or in real time using the camera. Adjust and compare multiple angles simultaneously. Scale, move, and change color of measurement tools for accurate readings. Save and review measurements permanently.
Objects and spaces using AR and AI. Tap to set start and end points for digital measurements. View real-time measurements on the screen. Export results or share measurements directly.
Use optimized sound frequencies to clean phone speakers and remove buildup. Initiate one-tap mode for instant cleaning. Test performance before and after cleaning. Monitor noise levels with a decibel meter. Adjust volume safely for iPhone speakers.
Rooms using augmented reality with a virtual ruler for precise distance and area calculations. Create 3D floor plans from scans. Save and share measurements. Sync with other devices for collaborative planning.
Room dimensions using augmented reality. Tap to mark points and view real-time 3D measurements for width, length, height, and distance. Export measurements and save data for future reference.
Measure ambient noise levels with an AI-powered noise meter that identifies noise types. Get accurate pressure readings and view audio waveforms. Sync data with the Health to track exposure and monitor hearing health.
Dimensions, spacing, and angles in screenshots and photos. Analyze color values, grid alignment, and element positions. Export measurements and compare dimensions across images.