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Is your phone too quiet? VolumeBooster+ raises your entire system output rather than one app — quiet speakers, low earphones, hard-to-hear videos, music and games finally come through clearly. 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.
Free reaches +10 dB, and Pro or a Free Pass opens the full range. A Loudness Maximizer, a 5-band equalizer whose nine presets are all free, a bass booster, a 3D virtualizer and AutoEQ correction built on 2,456 measured headphone profiles all live in the same app.
Real reviews left on Google Play.
WOW! what a difference! I am trying free version & 3 decibel boost helps immensely already! I've been playing podcasts on tablet using an external speaker. With this app I can hear very clearly just from the tablet. It even has different settings for various types of sound like music, podcast, etc like an equalizer. Already using Clipboard+ from the same developer & it is an awesome app! Highly recommend it!
Does it really make my phone louder?
Yes. The Loudness Maximizer uses multiband compression and makeup gain to genuinely increase perceived loudness, and it raises the whole system output rather than one app — music, videos, YouTube and games alike. Free boosts up to +10 dB, and Pro or a Free Pass opens the full +15 dB range.
Is it actually free, or do I need a subscription?
Free gives you up to +10 dB, all 9 presets, the 5-band equalizer, the floating panel and AutoEQ for mainstream brands like Apple, Samsung, Sony, Bose, JBL and Beats — with free boosting limited to 60 minutes a day, resetting at midnight. A Free Pass adds 24 hours of Max Boost (the full +15 dB range with no daily limit) or AutoEQ (the complete headphone catalogue) for a single short ad, with no card and no trial to cancel. Pro unlocks the full range, unlimited boost time, every AutoEQ profile and the hearing protection dashboard, and removes ads — monthly, yearly or as a one-time lifetime purchase.
Is the displayed dB an exact measurement?
It is an estimate. The boost is shown in real decibels with WHO-based Safe, Caution and Danger zones, but the value is derived from your system volume and the applied gain, and real loudness varies by device, headphones and content. The app is not a medical device, so if you notice ear pain or ringing, lower the volume and consult a professional.
Can I use VolumeBooster+ on an Android car head unit?
Yes, if your head unit has Google Play and runs Android 7.0 or later. The setup screens are laid out for wide, short landscape displays. How much louder it gets depends on the head unit's own amplifier and speakers.
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