Is your phone too quiet? VolumeBooster+ makes it louder. Turn up quiet speakers low earphones hard-to-hear videos calls music and games so you finally hear them clearly. It boosts EVERY app system-wide.

The boost is shown in decibels up to +15 dB with Safe / Caution / Danger zones based on WHO hearing guidance — so you always see how far you have pushed it.

* KEY FEATURES

- Volume boost up to +15 dB system-wide — +10 dB free +15 dB with Pro or a Free Pass
- Loudness Maximizer — genuinely louder through multiband compression and makeup gain without clipping
- Always-on peak limiter that keeps the sound clean
- 5-band Equalizer with 9 presets — all free: Flat Pop Rock Vocal Classical EDM Movie Gaming Night Mode
- Bass Booster and 3D Virtualizer for deeper wider sound
- AutoEQ — 2456 measured headphone profiles across 357 brands matched to your exact model
- Floating Panel — free for everyone; adjust the boost over any app
- Hearing Protection — see how much of your listening stayed below the safe level (Pro)
- Sleep Timer with a smooth fade-out (15 min – 2 h)
- Channel Balance (L / R) for one-sided listening
- Quick Settings tile and home-screen widget for one-tap on/off
- Notification controls — gain ±1 dB preset cycle A/B compare

* BOOST EVERY SOUND
Music videos YouTube TikTok podcasts games movies calls and voice messages — VolumeBooster+ raises the whole system output so quiet content finally gets loud.

* WHAT IS FREE
Free gives you up to +10 dB all 9 presets the 5-band equalizer the floating panel and mainstream AutoEQ brands (Apple Samsung Sony Bose JBL Beats and more). Free boosting is limited to 60 minutes per day which resets at midnight.

* FREE PASS — TRY PRO WITHOUT PAYING
Watch one short ad and get 24 hours of a Pro capability. Two independent passes ship: Max Boost for the full +15 dB range with no daily limit and AutoEQ for the complete headphone catalogue. No card no trial to cancel.

* TUNE YOUR SOUND
Shape every frequency with the 5-band equalizer add punch with the bass booster widen the stage with the 3D virtualizer or pick your headphones in AutoEQ for a measurement-based response.

* PRO
Pro unlocks the full +15 dB range unlimited boost time with no 60-minute daily cap every AutoEQ headphone profile the hearing protection dashboard — and removes all ads. Monthly yearly or a one-time lifetime purchase.

Please listen responsibly. The decibel value shown is an estimate based on your system volume and the applied gain; real loudness varies by device headphones and content. This app is not a medical device — if you notice ear pain ringing or any change in your hearing lower the volume and consult a professional.

Keywords: volume booster sound booster speaker booster headphone booster equalizer bass booster loudness maximizer sound amplifier make it louder volume up max volume music equalizer autoeq headphone eq