https://wccftech.com/todays-list-of-paid-apps-that-are-free-at-the-play-store-including-poweraudio-plus-and-more/

Here are some free apps for you.

Key features –

– Equalizer with various presets

– BassBoost and Virtualizer

– Browse songs by albums, artists, favorites or playlists

– Multi-select

– Custom queue

– Add songs to favorites

– Detects headphones (auto pause on disconnect)

– Create your own playlists

– Repeat or shuffle tracks

– Set phone ringtone

– Share media files

– Codec details (bitrate, sample frequency, channels etc)

– Delete songs, playlists

– Various sort options

– Play next option

– Sleep Timer