The best hz frequency detector apps on iPhone average 4.4★ across 212+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This app lets you detect and visualize the frequencies of surrounding sounds in real-time, allowing you to see sound waves moving around you. Download the app to experience the magic of sound visualization and discover the frequencies that fill your environment.
Track environmental noise levels with an easy-to-use decibel meter app that provides detailed analysis through dB and AF readings. Share readings, utilize polling, and explore various features for sound monitoring. Contact info@ashiers.com for more information.
Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.