Sound Trigger: Auto Volume

Content rating
Everyone
10+
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Content rating
Everyone
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About this app

Stop adjusting the volume every time you get in the car or put on your headphones. Sound Trigger recognises the Bluetooth device you connect and sets volume, equalizer, Do Not Disturb and playlist by itself. You just listen.

WHY YOU'LL LIKE IT
• Save time: no more manual tweaks every time a device connects
• Always the right volume: louder in the car, softer on headphones, just how you like it at home
• Better sound: a different equalizer for every device, from car stereo to earbuds
• Drive with fewer distractions: Do Not Disturb turns on by itself and your music is never muted
• No worries: when you disconnect, volume and Do Not Disturb go back to how they were

HOW IT WORKS
1. Create a profile and pick a Bluetooth device already paired with your phone
2. Set volume, equalizer, Do Not Disturb and music
3. Connect the device: the profile starts by itself, even when the app is closed
"Test now" lets you hear the result straight away, without connecting anything.

AUTOMATIC VOLUME
• Media volume as a percentage, different for every profile
• Gradual volume fade-in, so you never start at full blast
• Previous volume restored when the device disconnects

AN EQUALIZER FOR EVERY DEVICE
• Ready presets: Car, Sport, Bass, Rock, Pop, Vocal and podcast, Flat
• 5-band custom curve
• Bass boost and loudness

SMART DO NOT DISTURB
• Priority only, music and alarms only, or music only
• Your music always keeps playing
• Your original settings are restored on disconnect

MUSIC AND CALLS
• Start a Spotify or YouTube Music playlist, or resume your last track
• Automatic playback
• After a phone call, WhatsApp and Telegram calls included, the music resumes by itself

FOR CARS, HEADPHONES AND SPEAKERS
Bluetooth car stereos, earbuds, sports headphones, portable speakers: create a profile for each one, with its own icon and colour, and switch them on or off with one tap. A profile can have several devices (two cars, two pairs of headphones), and you can start or stop it from the home screen widget or the Quick Settings tile. A short walkthrough guides you through the first steps.

LIGHT AND RESPECTFUL
• No ads
• No account to create
• No data collected: profiles stay on your phone only
• Dark or light theme, in English, Italian, Spanish, German, French and Portuguese
• Backup of your profiles in a file, handy when you change phone

GOOD TO KNOW
The global equalizer is supported by most Android phones; if a music app ignores it, enable its "system equalizer" option. Opening the playlist without touching the screen requires the "Display over other apps" permission. On some phones it helps to allow background usage in the battery settings.

Have a suggestion or a problem? Write to us from the developer page: we read everything.
Automatic audio profiles when your car, headphones or speaker connects.
Updated on
Nov 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

• Small improvements and fixes
• Enjoying Sound Trigger? You can now rate it right from the app
Content rating
Everyone
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App support

About the developer
GABRIELE ARRIGONI
ag.gpconsole@gmail.com
Italy