Android-exclusive sound normalizers provide advanced audio leveling and enhancement features that are often unavailable on other mobile operating systems due to Android's open file system and support for third-party audio drivers. Top Sound Normalizer Apps for Android
setVolumeShaper() with an identity curve.CONTROL_STREAM_VOLUME permission (system app only, requires signature|privileged).UsbManager and UsbDevice with ALSA behind the scenes. This bypasses most Android audio processing.Some manufacturers include proprietary audio enhancement tools that act similarly to normalizers: Samsung (SoundAlive/Dolby Atmos)
WavePad Audio Editor: A full-featured editor that provides normalization and leveling tools for editing audio directly on mobile. Normalization vs. Loudness
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