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
Turn your phone into a microphone and stream audio to any . Connect and control audio output directly from the . Adjust volume and manage connected devices.
MP3 files without an internet connection. Import files and organize them into custom playlists. Control playback with a simple interface. Supports high-quality audio playback for uninterrupted listening.
Convert PDF files to formats including DOC, DOCX, and DOCM. Convert documents to PDF. Edit and save converted files. Share converted documents via email or cloud services.