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

Protractor Smart screenshots

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. 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
  2. Measure Tools - LINEA app icon

    Measure Tools - LINEA

    Critec, Lda

    Record and share image measurements easily.

    The app allows users to photograph or import images to record measurements, angles, and text notes. Users can save and share these annotated images, organizing them into folders.

    ★ 2.45 ratingsProductivityFreeData updated 2026-09-30
  1. Geometry Pad+ app icon

    Geometry Pad+

    Bytes Arithmetic LLC

    Create, explore, and calculate geometric shapes

    Create and manipulate geometric shapes such as points, lines, angles, and conic sections. Adjust properties and calculate metrics. Display shapes on a zoomable coordinate system. Construct medians, altitudes, and bisectors.

    ★ 3.810 ratingsEducation$6.99Data updated 2026-09-08
  2. Decibel Level Meter - Measure Sound Volume Free app icon

    Decibel Level Meter - Measure Sound Volume Free

    齐 陈

    Decibels with one tap

    Ambient noise levels with a simple interface. Display one-minute average decibels in large text. Features clean design and free access. No additional functions or settings provided.

    ★ 3.344 ratingsUtilitiesFreeData updated 2026-09-10
  3. FrontDepth View app icon

    FrontDepth View

    HAN WEI WANG

    Face details in real time with panning

    Access real-time images from the TrueDepth camera for low-light photography. Pan the display to face angles from different perspectives. Switch between 3D and 2D views to see depth data alongside the original image. Save 3D face photos directly.

    ★ 4.24 ratingsUtilitiesFreeData updated 2026-09-06
  4. iRuler Plus app icon

    iRuler Plus

    CONG DUC TRAN

    Measure length with your phone

    Measure lengths in centimeters or inches by placing the iPhone beside an object and moving it while touching the screen. Use a long scroll ruler up to 120 cm or a stick ruler with two sliders for small items.

    ★ 1.715 ratingsUtilitiesFreeData updated 2026-09-12
  5. Luminosys - Light Meter app icon

    Luminosys - Light Meter

    Melissa Zwick

    Measure with your phone camera

    Measure ambient using Lux or Foot Candles units. Utilizes phone camera and paper to determine levels. Ideal for photography, source comparison, and indoor gardening applications.

    ★ 4.58 ratingsUtilitiesFreeData updated 2026-09-06
  6. Scale For Grams: Weight Scales app icon

    Scale For Grams: Weight Scales

    Artmvstd SIA

    Measure objects, identify items, estimate sizes

    Measure objects using your phone's camera for instant dimension estimates. Identify plants, count items, and capture color swatches. Convert measurements to metric or imperial units. Save and share captured data.

    ★ 4.746 ratingsUtilitiesFreeData updated 2026-09-06
  7. 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
  8. SmarterNoise Pro app icon

    SmarterNoise Pro

    Johan Rogard

    Record sound levels and export data

    Measure sound levels with A-, C-, or no weighting. Display frequency spectrum. Export measurement data. Use full screen audio mode. Perform accurate and fast recordings.

    ★ 4.332 ratingsUtilitiesFreeData updated 2026-09-18

How we rank alternatives

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