Protractor (Angle measurement) app icon

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.

by EONSOFT★ 3.76 ratingsUtilitiesFreeData updated 2026-09-09

Protractor (Angle measurement) screenshots

Ranked alternatives

Showing 461–480 of 1,000 ranked alternatives.

  1. Sound Spectrum Analysis app icon

    Sound Spectrum Analysis

    Dmitriy Kharutskiy

    Analyze waves in real time

    Analyze spectra in real time using a microphone. Display waveforms and FFT data with adjustable frequency scales. Measure noise levels for approximate readings. Adjust FFT size for varying frequency accuracy.

    ★ 3.642 ratingsUtilitiesFreeData updated 2026-09-15
  2. InsideMaps Capture app icon

    InsideMaps Capture

    Insidemaps Inc

    HDR panoramas with your iPhone

    Create HDR panorama walkthroughs using an iPhone. wide-angle, vivid photos without expensive equipment. Edit and share walkthroughs directly. Sync with a companion rotor device for automated scanning.

    ★ 3.842 ratingsLifestyleFreeData updated 2026-09-10
  3. EMF Hunter app icon

    EMF Hunter

    Derek Hoffmeister

    Detect EMF levels and track sources

    Detect electromagnetic fields using phone compass. Measure magnetic and electric fluctuations. Identify sources of interference. Calibrate for accurate readings. Display real-time field strength. Save and share measurement data.

    ★ 4.010 ratingsUtilitiesFreeData updated 2026-09-08
  1. Audio Analyzer app icon

    Audio Analyzer

    DEXUS Pawel Krzywdzinski

    Analyze signals in real time

    Analyze signals with real-time spectrogram, spectrum, and oscilloscope visualizations. Identify frequencies and measure response of equipment. Detect phonetic elements in speech and visualize animal calls. Check singer’s formant for vocal analysis.

    ★ 4.440 ratingsMusic$9.99Data updated 2026-09-08
  2. Vibration meter - Seismometer app icon

    Vibration meter - Seismometer

    MYSTIC MOBILE APPS LLC

    Detect vibrations and measure strength

    Measure vibrations and tremors using the phone's built-in seismograph. Track seismic waves and detect earthquakes or volcanic activity. Record and analyze data from body movements or objects.

    ★ 4.414 ratingsUtilitiesFreeData updated 2026-09-14
  3. SetMyCamera Pro app icon

    SetMyCamera Pro

    Roger Bauchspies

    Capture and edit professional-quality photos

    Adjust camera settings including exposure, focus, and white balance. Control shutter speed and ISO manually. Preview and review photos instantly. Save and share edited images directly.

    ★ 4.538 ratingsPhoto & Video$9.99Data updated 2026-09-23
  4. HeartSense: Pulse & Stress app icon

    HeartSense: Pulse & Stress

    MANAGE CONSULT LTD

    Measure heart rate and estimate levels

    Measure heart rate and estimate levels using phone camera and flash. Detects blood flow changes via photoplethysmography. Provide real-time readings and indicators. Guide users on proper positioning and lighting for accurate results.

    ★ 4.414 ratingsUtilitiesFreeData updated 2026-09-06
  5. Turns Counter (Magnetic) app icon

    Turns Counter (Magnetic)

    Dmitriy Kharutskiy

    Count rotations with magnetic sensor

    Calculate coil by detecting magnet rotations using the smartphone's magnetic sensor. Attach a magnet to the rotating part for accurate measurements. Alternatively, measure smartphone rotation without a magnet. Calibrate the magnet before use.

    ★ 4.826 ratingsUtilitiesFreeData updated 2026-09-18
  6. iSetSquare app icon

    iSetSquare

    Peter Breitling

    Measure angles and rotation with gyroscope.

    The app measures relative angles and rotation using the gyroscope sensor. It offers five unit modes, background or foreground display rotation, and fine calibration of the gyrometer.

    ★ 3.26 ratingsUtilities$1.99Data updated 2026-09-15
  7. Sound Meter (dB) - dBShift app icon

    Sound Meter (dB) - dBShift

    MATEO KING

    Record levels in real time

    Measure levels in real time using the device's microphone. Record audio clips for later analysis. Set decibel thresholds and receive notifications when levels exceed limits. View historical data and export measurements as files.

    ★ 4.433 ratingsMusicFreeData updated 2026-09-06
  8. ISM-WF200 app icon

    ISM-WF200

    Insize (China) Co., Ltd

    Capture, record, and measure microscopes

    Control a wifi microscope to capture images and record videos. Measure objects using built-in tools. Adjust settings for focus and lighting. Save and share captured media directly.

    ★ 5.020 ratingsUtilitiesFreeData updated 2026-09-06
  9. Vernier Caliper Micrometer app icon

    Vernier Caliper Micrometer

    齐 陈

    Measure lengths in inches or centimeters

    Measure short lengths with precision using a digital . Switch between inches and centimeters. Calibrate measurements for accuracy. Adjust units and view results on a clean, intuitive interface.

    ★ 4.122 ratingsUtilitiesFreeData updated 2026-09-13
  10. SureScan 3D Scanner, 3D App app icon

    SureScan 3D Scanner, 3D App

    Xyken, LLC

    Scan 3D models with FaceID camera

    Capture 3D scans using TrueDepth or FaceID sensors. Export scans in STL, PLY, and OBJ formats. Compatible with specific iPhone and iPad models. Scan small to medium-sized objects.

    ★ 4.436 ratingsUtilitiesFreeData updated 2026-09-06
  11. Decibel Meter X app icon

    Decibel Meter X

    永超 侯

    Measure sound, analyze spectrum

    Measure sound levels with readings. Analyze sound frequency with spectrum visualization. Generate custom tones for testing or experimentation. Save and share measurement data.

    ★ 4.925 ratingsUtilitiesFreeData updated 2026-09-06
  12. AiryCam - Posing Camera app icon

    AiryCam - Posing Camera

    SHOWKACE, LLC

    Capture moments with ease and confidence

    Record and edit videos with real-time filters and effects. Add text overlays and background music. Share videos directly to social media platforms. Adjust lighting and angles virtually during recording.

    ★ 4.634 ratingsPhoto & VideoFreeData updated 2026-09-20
  13. Calipers Tape Measure app icon

    Calipers Tape Measure

    Jacob Parker

    Objects with your iPhone

    Distances with a 5-meter by aligning the phone on a surface and sliding it for accurate readings. Use mode to small objects by placing the phone between them and viewing the result. Save and share measurement data directly.

    ★ 4.224 ratingsUtilities$1.99Data updated 2026-09-06
  14. Sound Meter: dB Measurement app icon

    Sound Meter: dB Measurement

    Loyal Foundry, Inc.

    Track noise levels in real time

    Measure ambient noise using the phone's microphone and display real-time decibels. Track noise levels from household appliances like washing machines and refrigerators. Compare outputs to help choose quieter electronics.

    ★ 4.07 ratingsUtilitiesFreeData updated 2026-09-06
  15. Smashspeed: Badminton Tracker app icon

    Smashspeed: Badminton Tracker

    Mayi Tian

    Measure smash speed and angle

    Record and analyze smashes using AI to measure speed and angle. Export frame-by-frame data. Track progress over time. Share results with others. No internet required.

    ★ 4.918 ratingsSportsFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.