This application simplifies driveline setup and predicts performance changes from gear ratios and tire size. It offers tools to calculate vehicle speed and RPM variables, aiding in rig planning and performance expectation.




189+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our pinion angle finder list covers 189+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.3★ (3) | No | No | May 2026 | |
| 2 | Free | 4.5★ (677) | Yes | Yes | Jul 2026 | |
| 3 | Free | 4.2★ (1.9K) | Yes | Yes | Jul 2026 | |
| 4 | Free | 4.1★ (10K) | No | Yes | Jul 2026 | |
| 5 | Free | 4.5★ (148) | No | Yes | Jul 2026 | |
| 6 | Free | 4.6★ (75) | No | Yes | Jul 2026 | |
| 7 | Free | 4.5★ (976) | Yes | Yes | Jul 2026 | |
| 8 | $1.99 | 4.1★ (186) | No | No | Jul 2026 |




This application simplifies driveline setup and predicts performance changes from gear ratios and tire size. It offers tools to calculate vehicle speed and RPM variables, aiding in rig planning and performance expectation.






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.






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.


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.


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.


This utility app measures angles, checks surface flatness, and provides real-size measurements using your phone's sensors. It's ideal for home improvement, DIY projects, and educational purposes, offering accurate results offline with an intuitive interface.


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 distances and angles using your device's sensors. This app functions as a ruler, tape measure, rangefinder, protractor, and 3D angle finder, offering a quick and accurate way to take measurements in various conditions.


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 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.


Measure angles and tilt with precision using your phone's gyroscope. Features real-time data, camera overlay, and calibration tools. Also includes measurement history, a compass, and a network speed test.


Measure angles precisely on photos or in real-time using your camera. This user-friendly tool allows for unlimited angle measurements simultaneously, with features like scaling and color adjustment for ease of use.


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.


This educational application assists students in calculating heights by determining angles above the horizontal. It simplifies complex measurements for inaccessible areas.


Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.


This app acts as a smart instrument for measuring angles using your device's camera. It offers two free modes for measuring angles on screen or using a plumb bob for slopes, with an additional premium mode for polygon measurements.


This application provides a large, easy-to-read compass display to show your direction and heading. It utilizes your device's internal hardware for accurate estimations.


Transform your device into a precise spirit level and angle meter. It offers instant setup, haptic feedback, and audible alerts for perfect leveling. Ideal for DIY, woodworking, and professional installations.


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 app provides distances to course features like bunkers and water hazards. It displays customizable yardage circles around your current location and allows you to drop custom markers to measure distances to any point on the course. It works on any course with an internet connection and supports both yards and meters.