BeatLevels plays the music that is already on your phone. Every sample is decoded and shaped in C++, a native DSP chain processes it, and the audio layer plays it.

THE CONSOLA

Real controls, not a row of presets pretending to be one.

• 11-band graphic equalizer — the ISO octave series from 31 Hz to 16 kHz plus a presence band, with pre-amp and a live Custom state
• Built-in curves: Flat, Light Bass, Rock, Pop, Jazz, Classical, Bass Boost, Treble Boost and Vocal
• Presets of your own. A preset is the whole curve: save it, rename it, delete it, export it to a file and carry it to another device. An import only ever adds, so a curve you tuned by ear is never overwritten by a file you opened
• Reverb, with Room, Hall, Studio, Cathedral and Plate
• Spatial enhancer, stereo width and bass boost
• Crossfeed for headphones, softening the hard left/right separation studio mixes have compared to speakers
• Output gain that saturates gently instead of clipping
• Balance with a centre detent, and device volume on the same panel

Effect presets work the same way and travel in a file of their own.

THE ENGINE

• MP3, FLAC, M4A/AAC, OGG, Opus, WAV, WMA and more, plus the audio track of video files
• Crossfade between tracks, 1 to 12 seconds, and a short fade on every manual change so switching never clicks
• Picks up where you left off — queue, track and position survive a restart
• Pauses for calls, ducks for navigation prompts, stops when you unplug your headphones

YOUR LIBRARY

• Songs, albums, artists, genres, folders, favourites and playlists
• Live search; sort by title, length or date added; grid or list per category; a fast-scroll rail with a section bubble
• Playlists you reorder with a finger, swipe to trim, and fill with a whole album or artist in one action
• Multi-selection, hidden tracks, a short-clip filter that keeps ringtones out of the way, and folder sources of your own
• Metadata editor for title, artist, album, genre, year, track number and cover art

NOW PLAYING

• Waveform seek bar drawn from the file itself, coloured from the cover art
• The artwork is a pager over the queue — swipe to change track, or browse ahead without interrupting what is playing
• Up Next you can reorder, remove with undo, shuffle, and save as a playlist
• Sleep timer that fades out, by countdown or at the end of the track
• Codec, sample rate and bit rate one tap away

ON YOUR PHONE

• Media notification with a seek bar, lock-screen art, headset and Bluetooth buttons
• Android Auto
• Home-screen widgets, small and large
• Light, dark and system themes
• English and Portuguese
• Android 7.0 and above

PRIVACY

No accounts, no analytics, no advertising, no tracking. Your library never leaves your device and the app works with no connection at all.

THE PRICE

This release is free and complete. Every feature is unlocked, and there are no ads, no subscription and nothing to buy. A one-off Pro unlock is planned for a later update — said here so it is not a surprise then.