Apps Like Sonic Wave: Speaker Test for iPhone and iPad
Frequency and volume
Phone speakers by adjusting frequency and volume with swipe gestures. Choose clean sound output. Measure decibels and hertz. Compare stereo and mono sound quality.
by 力克 雷★ 4.826 ratingsUtilitiesFreeData updated 2026-09-06
Convert with customizable settings. Adjust volume, speed, and pitch. Add background music with fade-in/out. Choose speaker emotions and tone for different roles. Insert pauses and set style intensity. Use ready-made templates for quick voiceovers.
Train dogs using ultrasonic sounds inaudible to humans but detectable by dogs. Adjust intensity and frequency via 3D Touch. Includes four frequencies and haptic feedback. Generate sounds audible up to 3km away.
Scan documents to PDF using the camera. Print photos, PDFs, and documents from Files, Photos, or Share sheet. Preview pages and adjust settings for layout, margins, duplex, N-up, color, and orientation. Access recent files and print history directly.
