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

Protractor+ screenshots

Ranked alternatives

Showing 941–960 of 1,000 ranked alternatives.

  1. Sound Level & Spectrogram app icon

    Sound Level & Spectrogram

    TOON,LLC

    Measure levels and view spectrograms

    Measure levels in decibels with real-time updates. View visuals to analyze frequency characteristics. Select frequency or time weighting corrections. Export data for review.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. SIC4343 pH app icon

    SIC4343 pH

    SILICON CRAFT TECHNOLOGY PUBLIC COMPANY LIMITED

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  3. CILLS app icon

    CILLS

    Viable Media Limited

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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