Protractor Smart app icon

Apps Like Protractor Smart for iPhone and iPad

Measure angles with camera and touch

Measure angles using camera view with touch or plumb bob methods. Set angles on screen or through camera. Switch between measurement modes. Access advanced polygon measurement in premium version. Calibrate plumb bob for accurate slope readings.

by ExaMobile S.A.★ 4.6243 ratingsUtilitiesFreeData updated 2026-09-10
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Ranked alternatives

Showing 681–700 of 1,000 ranked alternatives.

  6. GSX AICam app icon

    GSX AICam

    GeoSensorX Inc

    Install dashcam via Wi-Fi

    Connect to DC400 via Wi-Fi. Calibrate driver face location. Align road-facing camera to road and horizon. Update DC400 Wi-Fi settings.

    ★ 1.01 ratingsPhoto & VideoFreeData updated 2026-09-06
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  12. EP Calipers app icon

    EP Calipers

    EP Studios

    Measure ECG intervals and calculate heart rate

    Measure intervals on ECG images and PDF files using electronic . Calculate mean heart rate, corrected QT interval, and beta angle in Brugada syndrome. Analyze electrophysiologic recordings and ECGs from Kardia™ AliveCor™ device.

    ★ 0.00 ratingsMedical$4.99Data updated 2026-09-10
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  15. Solar Calibrator: PV Installer app icon

    Solar Calibrator: PV Installer

    Fawzi Fakhro

    Calibrate panels, size batteries, calculate wire gauges,

    Helps installers and DIYers calculate panel angles, size battery banks, and determine wire gauges. It generates professional PDF quotes and includes a compass for precise alignment with True North/South.

    ★ 0.00 ratingsUtilities$9.99Data updated 2026-09-06
    App details
  17. MOTOEYE DM app icon

    MOTOEYE DM

    Xian Vidoar Technology Co.,Ltd.,

    ★ 2.33 ratingsUtilitiesFreeData updated 2026-09-06
    App details

How we rank alternatives

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