245+ iOS apps curated and reviewed
The best degree protractor apps on iPhone average 4.2★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (10K) | No | Yes | Aug 2026 |
| 2 |  | Free | 3.9★ (11) | Yes | No | Aug 2026 |
| 3 |  | Free | 2.9★ (10) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.4★ (295) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.5★ (1K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (55) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.5★ (158) | No | Yes | Aug 2026 |
| 8 |  | Free | — | No | No | Jul 2026 |
Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.
Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.
This utility app helps you measure angles with your iPhone. It provides notifications when a target angle is reached, with options for visual and auditory alerts.
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.
Measure angles directly on your device without taking photos or placing the angle on screen. This app offers a unique and efficient way to determine degrees, saving you time with its handy assistant functionality.
This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.
Measure angles in the real world using augmented reality. Simply point your device and touch the screen to measure anything you desire. Customize font size, units, and line colors for a personalized experience.
Access your courses and stay organized with this learning app. Track assignments, submit work, participate in discussions, and even study offline. It supports integrated tools and accessibility features for a seamless educational experience.
This app allows you to measure angles from photos using your device's camera or existing images. Add multiple measurements with customizable colors and labels, and view results in various units. Save your work automatically and export high-quality images of your measurements.
Explore how your college credits can transfer to online degree programs. Receive a free preliminary evaluation by uploading your transcripts. Save time and money on your education.
This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.
This app provides a suite of digital measurement tools, including a spirit level, angle finder, laser level, and metal detector. It helps users accurately measure angles, check surface flatness, and align objects for various home, DIY, and professional projects. Features include sound and light alerts, calibration, and AR-based laser lines.
Transform your device into a versatile measuring tool. Accurately check the horizontal and vertical alignment of objects using your camera and device sensors. Measure angles with precision for DIY projects or home improvements.
Measure angles precisely using your device's sensors. It functions as both a protractor and a 3D angle meter, allowing you to determine angles between surfaces or lines on a plane with high accuracy. Save your measurements by taking photos with the angle recorded.
This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.
Transform your smartphone into a precise measuring tool. This application offers two modes for accurately leveling surfaces or measuring angles, with calibration made simple. It's ideal for tasks like hanging pictures, checking table levels, or calculating roof pitches.