Unit Circle Practice
Russell Thorman
Angles
Learn about the and trigonometry functions through interactive activities. Drag and drop pieces to their correct positions on a . Quiz yourself by tapping on randomly generated pieces.
Apps Like Protractor (Angle measurement) for iPhone and iPad
Measure angles with camera
Measure angles using a camera-based . Detect and display angles of objects in real time. Save and share measurements. Calibrate for accurate readings.
Protractor (Angle measurement) screenshots
Ranked alternatives
Showing 421–440 of 1,000 ranked alternatives.
RIDGID Level
The Ridge Tool Company
Three vials for plumb, level, miter.
The app displays exact measurements from its sensors and overlays leveling information on the camera. It allows users to calibrate the vertical and horizontal vials.
RC Gears
SkyRC Technology Co.,Ltd.
Weigh, calibrate, and track RC car weight
View weight distribution data for RC cars. Calibrate the scale. Set auto power-off time via Bluetooth. Connect to SkyRC SCWS2000 corner weight system. Monitor weight allocation across four corners.
Check Heart Rate ◦ Monitor App
Mia Fleming
Capture with your camera
Track using camera-based detection. Log and review past readings. trends over time. No additional hardware required. Capture data instantly by placing fingertip over lens. Stay still for accurate measurements.
Ring Sizer+
Arda Sen
Measure rings, jewelry, and objects precisely
Measure rings and objects using visual cues for accurate sizing. Capture images with the camera and analyze them to determine precise measurements. Save and share measurement results directly.
Celsius Thermometer Plus
SHIGETO TAKAGI
Measure temperature with GPS accuracy
Measure ambient temperature using GPS and display in . Show temperature in a badge with below-zero values indicated. Convert to Fahrenheit with a formula. Include barometric pressure readings from the pressure sensor.
Metal Detector & Stud Finder
Webrain OU
Detect metals with device sensors
Uses device sensors to locate hidden metallic objects. Bubble level offers three viewing modes for precise leveling. AR ruler measures distances by pointing the camera at objects.
Thermal Light
Crystal Clear Solutions
Measure temperature
Measure surface temperatures between 1000F and 2700F using iPhone camera. Detect heat signatures from objects like metal, ceramics, and glass. Calibrate against certified infrared thermometers. Share temperature readings and save measurement history.
Decibel - dB Sound Level Meter
Kemal Bakacak
Measure levels and save data
Measure levels with precision to identify harmful environmental noises. Save measurements for future reference. Test and track hearing performance over time. Check stereo and bass output from your phone.
Drag4Distance
Michael Critchley
Drag to measure routes and track distance
Measure distances by dragging a finger across the map to calculate route lengths. Center on current location with the locator button. Clear routes by shaking, using the trash button, or dragging again.
Cuckoo Clock Calibration
Nir Hamzani
Measure beats and adjust accuracy
Calibrate and Pendulum clocks by measuring and adjusting their beat period. Sync with a known accurate time source to correct drift. Monitor daily time gain or loss with precision up to 0.001 milliseconds.
Decibel Meter: db Sound Levels
Depict, Incorporated
Measure with precision
Measure with real-time readings and +/- 1 dB accuracy. Log and analyze noise data over time. Set custom thresholds and receive alerts. Export measurement logs in various formats. Sync data with cloud storage for long-term tracking.
Illuminance Pulsation Meter
ALEXEY KOZLOV
Measure screen ripple and select eye-friendly devices
Measure ripple coefficient of light sources including LED, halogen, fluorescent, and incandescent lamps, as well as LCD and LED monitors. Display readings for visible spectrum radiation. Note that results may vary based on light source and frequency.
Test-Drive Lite: Speedometer
DMITRY MIKHAYLEV
Measure speed and track acceleration performance
Measure vehicle acceleration from 0-100 km/h and 100-200 km/h. Track quarter-mile times over 402 meters. Use built-in GPS and accelerometer for accurate data. Save and view speed and time logs. Share results via social media.
Axis Assistant
Jose VARAS
Find angles, detect tilt, measure sectors.
The app finds a given angle, detects tilt, and measures sector size in degrees. It is useful for measuring slope steepness, hanging pictures, detecting horizons, and measuring arc angles.
Light Pollution Map
Jurij Stare
View VIIRS data and track
View VIIRS and DMSP satellite data with customizable overlays including clouds, auroras, and IAU observatories. Display SQM and SQC measurements for . Add personal SQM readings via email. Track radiance changes over time.
GPS Area Measure: GLandGo
4Digsoft Technology Limited
Measure land and distance
Measure land , distance, and perimeter using GPS. Create projects, add team members, and sync measurements in real time. Set permissions for different roles and collaborate on shared projects. Export data and view detailed reports.
Measure Pro
Sarah Ragab
Photos, add notes, organize files
Allows users to import photos from the camera or photo library. They can zoom in for precision, add arrows, angles, and text, and store dimensions.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.