RPM - Turntable Speed Accuracy is a multimedia application designed for iPhone users who want to test and monitor the RPM speed of their turntables. This free app utilizes the device’s gyroscope to provide real-time analysis of speed variations, known as wow/flutter, offering users a scrolling graph to visualize discrepancies over time. It supports various RPM settings including 16, 33 1/3, 45, and 78, making it versatile for different turntable types. Users can save their testing sessions in a history log for future reference or sharing, enhancing the user experience with a comprehensive overview of their equipment’s performance.

The app also features a Worldwide RPM Turntable Accuracy Database, allowing users to compare their turntable’s performance against a vast collection of submissions from other users. Advanced functionalities include customizable history graph parameters and a Calibration Mode for accuracy adjustments. With over 10,000 user submissions, RPM stands out as a valuable tool for audiophiles seeking to optimize their turntable setup.