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.
Protractor+ screenshots
Ranked alternatives
Showing 381–400 of 1,000 ranked alternatives.


KRK Audio Tools
Gibson Pro Audio Corp.
Measure frequency in real time
Measure and display real-time frequency spectrum with Spectrum RTA. Calibrate monitor levels using the Level Meter. Determine optimal EQ presets with EQ Recommendation. Align monitors for accurate sound with Monitor Align.

Ruler Professional
KBIC International Limited
Measure length in cm or inches
Convert physical objects into measurements using a function. Adjust two red lines to measure distances in centimeters or inches. Display measurements instantly on the screen.

Geekbench AI
Primate Labs Inc.
Test device ML performance
Measure device performance for machine learning tasks. Run vision and language tests to assess CPU, GPU, and Neural Engine capabilities. View results to compare device speeds.

Stride: AI Form Coach
Serhii Borychev
Analyze videos, create feedback, improve performance
Analyze sports videos with AI tools. Draw annotations over footage to highlight technique. Measure angles precisely. Navigate slow motion and frame-by-frame. Compare two performances side-by-side.

Roof Guide - Carpentry Calc
Infoguide Pty Ltd
Calculate , deck, and concrete dimensions
Calculate pitches, angles, and rise/run ratios. Estimate decking, stair, stud wall, and concrete quantities and costs. Switch between US and metric units. Input measurements for precise material estimates. Export results for project planning.

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.

iMeasure!
Kobi Snir
Measure objects using device screen.
The app uses the device's screen to measure real objects. It supports metric or imperial units for measuring length, angle, radius, and diameter.


CAD Reader-View & Measure DWG
Beijing Honghu Yuntu Technology Co., Ltd.
View drawings, , annotate
View and manage CAD drawings with support for DWG, DXF, and PDF formats. Open multiple files simultaneously. Use scale tools to distances in meters and perform continuous length measurements. Add annotations and markups directly on drawings.

Better Calc
Philip Symons
Calculate, convert, and solve equations
Perform calculations in standard, scientific, and programmer modes. Calculate totals and taxes. Switch between portrait and landscape layouts. Support multitasking and slide-over on iPad. No ads.



The Best Vibration Meter
NETIGEN KLUZOWICZ SPOLKA JAWNA
Measure vibrations and view seismic data
Measure vibrations using phone sensors to detect seismic activity or body tremors. Display readings on the modified Mercalli intensity scale. Calibrate the to set maximum values between 10-11. Provide reference comparisons for earthquake vibrations.

LightSpectrum Pro
Antonio Mauriello
Measure light color temperature and intensity
Measure color temperature in Kelvin with ±2-8% accuracy. View color spectrum from 360nm to 800nm. Display RGB values and luminance. Save and export measurement data. Compare light sources side by side.

Valchemy
Valchemy, inc.
Recognize contributions and measure impact
Track team recognition by creating and sharing gratitude notes. Measure psychological safety through feedback and engagement metrics. Foster a productive culture with customizable recognition programs and team health insights.

GPS Field Area Measurement
Stephen Kuyper
Measure land , distance, and perimeter
Measure land , distance, and perimeter using real-time GPS. Mark points on a map to calculate fields, plots, and paths. Switch between and distance modes. Supports units like acres, hectares, and square feet. Save and export data.


DF Lens
DigsFact Inc
Create, measure, view, inspect 3D spaces
Create and view 3D tours of spaces like homes, hotels, and landmarks. Measure dimensions, inspect details, and add annotations. Share tours via website, social media, and messaging apps for $0.99.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.