Duo Music Player

Duo Music Player is a free, offline-first music player with a twist: play two different songs at once, one in each ear.

🎧 DUO MODE
Share your headphones with a friend, or just enjoy two tracks at the same time. Send one song to the left ear and another to the right, with separate volume for each side.

🌀 4D / 8D SPATIAL AUDIO
Turn any song into immersive 4D or 8D audio. Conversion happens on your phone, works offline, and is free for everyone.

🎚️ EQUALIZER & SOUND EFFECTS
Shape your sound with a multi-band equalizer, presets and effects.

🎵 YOUR LIBRARY, YOUR WAY
• Songs, albums, artists, genres, folders and playlists
• Favorites and smart mixes
• Lyrics lookup and a built-in tag editor
• Backup and restore your playlists and favorites

📻 INTERNET RADIO
Browse and listen to thousands of stations from around the world.

✂️ AUDIO TOOLS
• Audio cutter and ringtone maker
• Audio converter

📺 LISTEN ANYWHERE
• Chromecast support
• Android Auto support
• Home-screen widgets
• Lock-screen and notification controls

🎨 MAKE IT YOURS
Choose from gradient themes and accent colors, light or dark mode, and a pure-black AMOLED theme.

🔒 PRIVACY FIRST
No account needed, no ads, no in-app purchases. Your music library stays on your device.

Questions or feedback? Write to [email protected].