RPM - Turntable Speed Accuracy is a diagnostic tool that utilizes a mobile device's gyroscope to measure turntable rotation speed and wow/flutter deviations. It provides real-time graphical feedback for calibration and includes a community-driven database for comparing turntable performance. The app is recognized by industry entities like Rega Research Ltd and featured in high-end audio publications.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For Audiophiles and vintage turntable owners looking to calibrate and verify the speed accuracy of their playback equipment.
What does it look like?
Key features
Displays RPM speed variations and wow/flutter metrics using live graphical charts.
Tests accuracy for standard turntable speeds including 16, 33 1/3, 45, and 78 RPM.
Allows users to research and compare performance data from other turntable owners.
Enables users to save, review, and share individual RPM test sessions.
How much does it cost?
Velocity
Who built it?
Philip Broder
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Wow Flutter - RPM TestingUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for RPM - Turntable Speed Accuracy
How's the Music market?
The rivals identified
The Analyst's Read
Key takeaways for RPM - Turntable Speed Accuracy
Where is it heading?
Bottom line
While highly regarded for its technical utility, the app has faced significant user pushback regarding its transition to a restrictive paywall model.
Report last updated