Volume Booster icon Volume Booster
Volume Booster icon
Now on the App Store

Turn up your sound — up to 10× louder.

Volume Booster amplifies audio, music, and videos with a 10-band equalizer, bass boost, voice clarity, and custom profiles. Works with your favorite media players.

Try the web demo ↓
Free · iOS 12+ · ~11 MB · ★★★★☆ 4.0

Everything you need for louder, better sound

🔊

Boost up to 10×

Amplify quiet recordings and videos far beyond your device's normal maximum, with a built-in safety limiter.

🎚️

10-Band Equalizer

Shape the sound across the full frequency range with presets for Music, Movies, Voice, Bass, and Treble.

🎵

Bass & Voice Boost

Add low-end weight or bring vocals forward in podcasts, calls, and dialogue-heavy videos.

🎧

Stereo Widening

Open up the stereo image on headphones for a more immersive listening experience.

💾

Custom Profiles

Save different sound setups per situation — music, podcast, movie night — and switch with one tap.

📱

Works Everywhere

Plays your music library, imported files, and streaming content from your favorite media players.

Try it in your browser

A live web version of the app — drop in an audio file, turn up the boost, tweak the EQ. No install required. Get it on iOS →

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150%
Volume Boost
100%200%300%400%
Boost Enabled
Master switch for amplification
Media
Drop an audio file, or pick one
Drop audio file here
MP3, M4A, WAV, AAC, FLAC, OGG
Playlist
    10-Band EQ
    Presets
    Sound Enhancement
    🔊
    Bass Boost
    Adds low-end weight (100 Hz shelf)
    0%
    🎧
    Stereo Widening
    Widens the stereo image
    0%
    🎤
    Voice Clarity
    Emphasises vocals (3 kHz peak)
    0%
    Loudness Normalization
    Tames peaks, gentler on headphones
    Audio Profiles
    Save the current boost, EQ, and enhancements as a profile.
      Safety
      Safety Limiter
      Caps boost at 400%, warns at 300%+
      Hearing Protection Threshold
      Show warning above this boost
      80%
      Output Device
      🔈
      System Default
      Browser output
      Change output in your OS or browser. Web apps can't switch devices programmatically.
      About
      Version1.0.0 (Web)
      EngineWeb Audio API

      Ready for the full experience?

      Get Volume Booster on your iPhone or iPad — import from your library and use it with any player.