Volume Booster: Bass Boost EQ icon

Volume Booster: Bass Boost EQ

Make the music and audio you play in this app louder, clearer and more powerful.

4.6 ★★★★★★★★★★ 54 Ratings
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About Volume Booster: Bass Boost EQ

Make the music and audio you play in this app louder, clearer and more powerful. Play the built-in demo with one-tap A/B comparison to hear the difference instantly, or import your own audio files. Boost loudness, deepen bass, sharpen treble, and shape every frequency with a real 10-band equalizer. VOLUME BOOSTER • Increase the loudness of audio played inside the app • Adjustable boost with quick levels • Watch a rewarded ad to unlock up to 800% boost for the current session • Optional one-time Remove Ads purchase: removes app-open and interstitial ads and keeps 800% unlocked, with no subscription • Loudness Maximizer for a stronger, fuller sound • Safe Limiter helps reduce clipping and distortion 10-BAND EQUALIZER • Precise control from deep bass to high treble • 22 built-in EQ presets for music, vocals, headphones, and more • Save your own custom presets • One-tap bypass to compare original and enhanced sound BASS, TREBLE & ROOM EFFECTS • Dedicated bass and treble controls • Room, studio and hall reverb effects • Stereo balance and playback speed • Real-time spectrum visualizer MUSIC PLAYER • Import audio files (MP3, M4A, WAV, AIFF) from Files, or open audio shared from other apps • Boost the sound of video files you import (audio only) • Pick up where you left off with Continue Listening • Background playback and Lock Screen controls • Playback recovers when AirPods or car Bluetooth connect, and can resume after a call • Queue, repeat, shuffle, favorites, and search • AirPlay support • Sleep timer with fade-out LIVE AMPLIFY Connect headphones to monitor and amplify microphone input in real time. • Adjustable live boost • Bass and treble controls • Low-latency audio processing • Headphone safety checks AUDIO TESTS Check speakers and headphones using a frequency sweep, white noise, pink noise, and bass, midrange, treble, and ultra-high-frequency tones. PRIVACY Audio processing happens on your device. Your music is not uploaded for audio processing. IMPORTANT Due to iOS limitations, boosting, equalizer settings, and audio effects apply only to audio played inside Volume Booster. The app cannot increase system volume or change audio from other apps, such as streaming services or online videos. Privacy Policy: https://aswapps.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Highlights

Built-in demo with A/B comparison

Hear the difference with one tap

Import your own audio files

Boost the files you play in the app

Real 10-band equaliser

Shape bass, mids and treble

Up to 800% for a session

Unlocked by a rewarded ad

One-time Remove Ads

No subscription

Honest about its limits

Works on audio played inside the app

At a glance

What Volume Booster: Bass Boost EQ does

Boosts and shapes audio played inside the app, either a built-in demo or files you import, with a 10-band equaliser and one-tap A/B comparison.

  • Best for: people who want their own audio files louder, or want to hear what an equaliser does.
  • Worth knowing: It cannot boost Spotify, YouTube, phone calls or the system volume, because iOS does not let any app do that.
  • Price: Free with ads. A rewarded ad unlocks up to 800% boost for the session, and a one-time Remove Ads purchase keeps it unlocked.

Common questions

Can it make Spotify, YouTube or calls louder?

No. iOS does not let any app change the sound of another app, a call or the system volume. It works on audio played inside the app.

Which audio can it boost?

Its built-in demo, which has one-tap A/B comparison, and audio files you import yourself.

Is the 800% boost free?

Watching a rewarded ad unlocks up to 800% for the current session. An optional one-time Remove Ads purchase keeps it unlocked, with no subscription.

Guides

Guides for Volume Booster: Bass Boost EQ

Guides

What Each Band on a 10-Band EQ Actually Does

Ten sliders, and most people move the first two and the last two. Here is what the middle six are for.

Guides

100%, 400% or 800%? Choosing a Boost Level

More gain is not better gain. Each level is right for a specific kind of source, and the top of the range is the…

Guides

Why “Max Volume” on iPhone Is Not Actually Max

Your iPhone has at least three separate limits sitting between the file and your ears. Only one of them is the volume…

Guides

iPhone Volume Lower After an iOS Update? Here Is Why

The update did not break your speaker. It probably switched a volume limit back on.

Guides

Best iPhone EQ Settings for Car Speakers

Road noise, cabin boom and door panels need a different curve to headphones. Here is where to start.

Ideas

What Is a Live Amplifier, and When Would You Use One?

Real-time microphone boost, straight to your headphones. Useful for a quiet TV, useless in a busy bar.

How-To

How to Make Video Calls Louder on iPhone

Call audio has its own volume, stored separately for every output. That is usually the whole problem.

Guides

Best iPhone EQ Settings for Classical and Jazz

Why heavy bass ruins acoustic recordings, and the EQ curve that brings instruments back into focus.

Guides

How Loud Is Too Loud? A Safe Listening Guide

Hearing damage is about dose, not moments, and your iPhone already keeps a record of yours.

How-To

How to Fix Distorted or Crackling Audio on iPhone

Crackling sound is rarely a dying speaker, and three quick swaps tell you what it really is.

Guides

Surround Sound on iPhone, Explained

What spatial audio, head tracking and virtual surround really change once the headphones are on.

How-To

How to Make Your iPhone Louder: Volume Booster Guide (2026)

iPhone not loud enough? Boost volume and bass with a real-time amp, EQ and presets — the 2026 guide.

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