Protractor+ app icon

Apps Like Protractor+ for iPhone and iPad

Measure angles in degrees and radians

Measure angles using your iPhone as a protractor. Select degrees or radians. Adjust the angle visually with intuitive controls.

by Tue Nguyen Minh★ 4.110,412 ratingsUtilitiesFreeData updated 2026-09-08
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Ranked alternatives

Showing 741–760 of 1,000 ranked alternatives.

  2. CalcTriangle app icon

    CalcTriangle

    Philip Sacchitella

    Right triangle calculator for builders and DIYers.

    The app calculates right triangles for construction professionals and DIYers. It displays all sides, angles, area, and perimeter after users input two sides or one side and one angle.

    ★ 0.00 ratingsProductivity$0.99Data updated 2026-10-30
    App details
  7. RefSize Photo Dimension & Size app icon

    RefSize Photo Dimension & Size

    Vinh Vo

    Measure objects with your camera

    Measure objects using a known reference like a coin or credit card. Snap a and get precise measurements. Adjust scaling based on physical objects. Export measurements and share results.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
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  12. dB Sound Meter app icon

    dB Sound Meter

    Ionut Carst

    Record and measure volume

    Measure ambient sounds and noise levels using iPhone or iPod. Record audio and view real-time decibel readings. Stop recording at any time and playback recorded . Display FFT viewer and frequency for detailed analysis.

    ★ 2.01 ratingsUtilitiesFreeData updated 2026-09-08
    App details

How we rank alternatives

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