Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
by Appchi LLC★ 4.637,325 ratingsMusicFreeData updated 2026-11-12
The app aids users in falling asleep by gradually decreasing music volume. It supports playing DRM-free music from the device or using external apps for audio playback.
This magazine highlights emerging and established artists across many music genres. It offers a yearly auto-renewable subscription for access to its content.
Stream atmospheric house music with oriental influences. Access HD quality audio, remove ads, and use EQ settings. View album art, manage playlists, and set wake-up timers. Requires a subscription for premium features.