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 361–380 of 1,000 ranked alternatives.

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    Mirror PRO

    Dhiren Patel

    Your face with HD clarity

    Use the HD front camera as a clear . Zoom in for detailed makeup application. Flip the screen, adjust zoom, and share the view. No additional hardware required.

    ★ 4.6109 ratingsUtilitiesFreeData updated 2026-09-06
  2. Caravan Level - with Speech app icon

    Caravan Level - with Speech

    Andrew Herring

    Measure and speak levels in degrees

    Measure angles in degrees, dimensions, or blocks for leveling a . Confirm status in all directions. Set and remember custom offsets for intentional angles. Compensate for device covers or camera protrusions.

    ★ 4.737 ratingsUtilities$1.99Data updated 2026-09-10
  3. Identify &  Diagnose plants app icon

    Identify & Diagnose plants

    EGO MOBILE PTE. LTD

    With your camera

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    ★ 4.799 ratingsEducationFreeData updated 2026-09-06
  1. Bubble Level® app icon

    Bubble Level®

    Tripti Kumari

    Level, angle, and slope in real time

    Check levels with three viewing options: surface, portrait, and landscape. Display angle and slope in percentage. Calibrate with all four sides. Includes carpenter's level, angle measurement, surface flatness, line level, and compass tools.

    ★ 4.484 ratingsProductivityFreeData updated 2026-10-13
  2. Wheel it Off app icon

    Wheel it Off

    Blue Blink One, SL

    Measure objects, distances, and areas with laser

    Measure objects and spaces using a smartphone camera. Capture images of properties to calculate distances, perimeters, and areas. Export measurements and share results directly. Sync data across devices for accurate project tracking.

    ★ 4.845 ratingsProductivity$299.99Data updated 2026-09-08
  3. Strobe tachometer (RPM meter) app icon

    Strobe tachometer (RPM meter)

    Dmitriy Kharutskiy

    Adjust flicker frequency to measure speed

    Measure rotational speed using flicker frequency analysis. Adjust frequency with precision up to 1000 Hz. Detect stationary motion by matching flicker rates. Control connected flashlight for testing. View frequency and RPM values in real time.

    ★ 4.383 ratingsUtilitiesFreeData updated 2026-09-09
  4. Pupillary Distance Measure: PD app icon

    Pupillary Distance Measure: PD

    Nergis Sadiklar

    Measure PD with AR accuracy

    Measure using AR and TrueDepth sensor technology. Place device at eye level, follow on-screen prompts, and receive accurate PD measurement. Save and share results for eyewear purchases or customization.

    ★ 4.674 ratingsHealth & FitnessFreeData updated 2026-09-06
  5. Pro Altimeter - Barometric+GPS app icon

    Pro Altimeter - Barometric+GPS

    Craig Hunter

    Measure altitude with precision

    Measure altitude using barometric pressure and GPS data. Display altitude in feet and meters with real-time accuracy. Calibrate sensor and switch between day and night display modes.

    ★ 3.840 ratingsNavigation$0.99Data updated 2026-11-12
  6. Pose Arch app icon

    Pose Arch

    KAZUMASA KAWAZURE

    Draw stick figures and search for references

    Find and save reference poses for drawing characters. View poses from different angles, adjust them, and save images. Support for VRM file reading and stick figure creation.

    ★ 4.0107 ratingsUtilitiesFreeData updated 2026-09-20
  7. Fengshui Theory app icon

    Fengshui Theory

    Ming Hei Tsui

    Analyze birth dates and predict life events

    Calculate BaZi charts to analyze personality traits and life events based on birth details. Choose Chinese names with favorable elements and meanings aligned with birth data. Provide guidance on balancing energy flow in living spaces.

    ★ 4.780 ratingsUtilitiesFreeData updated 2026-09-06
  8. Power Reverse Image Search app icon

    Power Reverse Image Search

    Shenzhen Ziyun Technology Co.,Ltd

    Images from your camera or gallery

    Using Google, Yandex, TinEye, and Baidu. Find similar images from your photo gallery or camera. Crop images before searching. directly from the photo library via share options.

    ★ 4.596 ratingsUtilities$2.99Data updated 2026-10-11
  9. Angle Meter HD FREE for iPad app icon

    Angle Meter HD FREE for iPad

    nakhon phagdeechat

    Measure angles and slopes easily.

    The app measures angles and slopes using two modes. It displays real-time angle values relative to the horizontal axis and supports graphics animation.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-29
  10. Ring Sizer: Perfect Fit app icon

    Ring Sizer: Perfect Fit

    Ramkumar Vellaisamy

    Measure rings with your phone camera

    Measure size with a smartphone camera using guided steps. Select from US, UK, or EU sizing standards. Save previous measurements for future reference. Share results directly with retailers or jewelers.

    ★ 4.731 ratingsUtilitiesFreeData updated 2026-09-06
  11. Smart Vibration Meter・Detector app icon

    Smart Vibration Meter・Detector

    Zipo Apps Ltd.

    Measure vibrations with phone sensors

    Measure vibrations using phone sensors and display readings on the Richter scale and modified Mercalli intensity scale. Calibrate by placing the device on a flat surface until values stabilize. Check real-time data and reference measurements.

    ★ 4.127 ratingsUtilitiesFreeData updated 2026-09-11
  12. Level Adjuster app icon

    Level Adjuster

    Unicom TOV

    Surfaces with your iPhone

    Measure surfaces and objects with precise leveling tools. Use camera mode for visual guidance and accurate measurements. Freeze measurements for reference. Align furniture or check ground levels efficiently.

    ★ 4.238 ratingsUtilitiesFreeData updated 2026-09-06
  13. Level Tool app icon

    Level Tool

    FAPPS WORLD et Cie SCS

    Calibrate and measure slope angles

    Measure surface slope in two directions with degree and percentage display. Calibrate before use for accurate readings. Hold function locks current measurement.

    ★ 4.114 ratingsProductivity$0.99Data updated 2026-09-08
  14. Ring Sizer: Risi app icon

    Ring Sizer: Risi

    Axel Le Pennec

    Measure finger size and select size

    Measure finger or size using a phone camera. Input measurements to calculate size. Convert measurements between units. Save and share results. Provide guidance for accurate sizing.

    ★ 4.636 ratingsUtilitiesFreeData updated 2026-09-06
  15. Pitch - Chromatic Tuner app icon

    Pitch - Chromatic Tuner

    Frozen Ape Pte. Ltd.

    Tune instruments with precise detection

    Tune instruments with precise detection. Adjust level and quality thresholds for accurate readings. Display real-time frequency and note identification. Share tuning results via email or social media. Sync with iOS devices for seamless use.

    ★ 4.351 ratingsMusic$0.99Data updated 2026-09-08

How we rank alternatives

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