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 661–680 of 1,000 ranked alternatives.

  1. MonkMode : Habit Tracker app icon

    MonkMode : Habit Tracker

    Enver Enes Keskin

    Break habits, build routines

    Track progress on 10 key habits including eating, sleeping, and exercise. Set daily goals and receive reminders. Log activities, view streaks, and adjust plans weekly. Sync data across devices and export reports.

    ★ 4.73 ratingsProductivityFreeData updated 2026-09-06
  1. BD LUX app icon

    BD LUX

    Rafał Zielinski

    Measure light intensity and quality

    Measure and analyze light quality by collecting spectral and photometric data. Calculate light intensity, color temperature, and flickering index. Assess eye health risks from light flicker. nd email reports based on collected data.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. Trilight - Trivice Light app icon

    Trilight - Trivice Light

    Oliver Hahn

    Calculate any triangle with graphical input.

    The app calculates any given triangle using three sides, two sides and one angle, or one side and two angles. Input is graphical, with results shown numerically and graphically.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-17
  3. ROMmeasurer Lite app icon

    ROMmeasurer Lite

    Takuya Kawakami

    Measure joint range of motion easily.

    The app measures joint range of motion from a camera image or a saved image. Users can take a photo, select an image, point the center of a circle, and move lines to display the angle between them.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-22
  4. GPS Utility app icon

    GPS Utility

    DIMENSION S.r.l.

    Convert geographic coordinate systems easily.

    The app converts between DMS, DM, DD, UTM, and MGRS coordinate systems. It provides real-time GPS coordinates and calculates the distance between two points.

    ★ 3.73 ratingsNavigationFreeData updated 2026-09-10

How we rank alternatives

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