Best Free Sound Booster Offline Apps

248+ iOS apps curated and reviewed

4.5 avg rating

20 free apps

Updated November 2026

Looking for free free sound booster offline apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Sound Booster Offline Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Louder Volume: Sound Booster	Free	4.4★ (119)	No	Yes	Oct 2026
2	Volume Booster: Louder Sound	Free	5.0★ (4)	No	Yes	Oct 2026
3	Increase Volume: Sound Booster	Free	4.4★ (429)	No	Yes	Oct 2026
4	Musiboot: Get Lossless Music	Free	4.9★ (3K)	Yes	No	Oct 2026
5	Boom: Bass Booster & Equalizer	Free	3.9★ (4.6K)	Yes	Yes	Nov 2026
6	Volume Booster - Sound & Bass	Free	4.4★ (273)	No	Yes	Oct 2026
7	Sound Amplifier \| Volume Boost	Free	4.5★ (2.3K)	No	Yes	Nov 2026
8	Music Booster: Sound Booster	Free	4.3★ (103)	No	Yes	Oct 2026

Top Picks for Free Sound Booster Offline

#1

Louder Volume: Sound Booster by Muhammad Rafly

Bass Booster & Audio Enhancer

Editor's Choice

4.4(119 ratings)

FreeIn-App Purchases

Louder Volume: Sound Booster screenshot 1

Louder Volume: Sound Booster screenshot 2

Louder Volume: Sound Booster screenshot 3

Louder Volume: Sound Booster screenshot 4

Amplify your device's audio with a volume and bass booster. Fine-tune your sound with a custom equalizer for clearer, more powerful music and video experiences. Enjoy immersive, high-quality audio adjustments.

#2

Volume Booster: Louder Sound by MOBILECRAFT LLC

Boost Video & Music Volume

Strong Contender

5.0(4 ratings)

FreeIn-App Purchases

Volume Booster: Louder Sound screenshot 1

Volume Booster: Louder Sound screenshot 2

Volume Booster: Louder Sound screenshot 3

Volume Booster: Louder Sound screenshot 4

Volume Booster: Louder Sound screenshot 5

Volume Booster: Louder Sound screenshot 6

Easily increase the volume of your videos and audio files directly on your device. Adjust the sound level, preview the changes, and save a louder version without altering your original media. Offers up to 1000% volume boost with premium features.

#3

Increase Volume: Sound Booster by 安帮潘

Bass Booster Volume Equalizer

Worth Considering

4.4(429 ratings)

FreeIn-App Purchases

Increase Volume: Sound Booster screenshot 1

Increase Volume: Sound Booster screenshot 2

Increase Volume: Sound Booster screenshot 3

Increase Volume: Sound Booster screenshot 4

Amplify your device's audio for a richer listening experience. This app enhances sound quality for music, movies, and calls with powerful amplification and effortless control.

More Free Sound Booster Offline apps to explore

Musiboot: Get Lossless Music

Musiboot: Get Lossless Music

Musiboot: Get Lossless Music

Volume Booster with HD Sound

Amplify your device's audio output by up to 500% for richer, lossless music and clearer sound. This app lets you exceed standard volume limits for an immersive listening experience, turning your phone into a powerful mini speaker.

Volume amplification up to 500%Enhances audio clarityLossless music playback

Boom: Bass Booster & Equalizer

Boom: Bass Booster & Equalizer

Boom: Bass Booster & Equalizer

Offline Music, Radio & Tidal

Enhance your music listening experience with advanced bass boosting and a customizable equalizer. Enjoy 3D surround sound, access streaming services like TIDAL, and stream thousands of radio stations and podcasts worldwide.

3D Surround SoundBass Booster16-band Custom Equalizer

free with in-app purchases

Volume Booster - Sound & Bass

Volume Booster - Sound & Bass

Volume Booster - Sound & Bass

Audio Equalizer, Boost Speaker

Enhance your device's audio with this app, offering instant volume boosts and deeper bass for music, videos, and games. Customize your sound with a built-in equalizer and presets, compatible with headphones and speakers.

Volume booster for music, videos & callsDeep bass booster and sound amplifierMusic equalizer with customizable presets

free with in-app purchases

Sound Amplifier | Volume Boost

Sound Amplifier | Volume Boost

Sound Amplifier | Volume Boost

Audio Enhancer - Live Listen

Amplify live headphone audio and enhance your listening experience. This app offers volume boosts, music enhancement, and even a hearing assessment. Record audio and review transcriptions to never miss a word.

Volume boost presetsMusic enhancementHearing assessment

💪 Health & Fitness

Music Booster: Sound Booster

Music Booster: Sound Booster

Music Booster: Sound Booster

Video & Audio Speaker Booster

Enhance your audio experience with this volume amplifier. It boosts sound and bass without distortion, making videos and audio clearer and more powerful. Adapt to various environments and enjoy automatic adjustments for your specific hearing needs.

Volume amplificationBass boostClearer audio

free with in-app purchases

Volume Booster | Boost Bass

Volume Booster | Boost Bass

Volume Booster | Boost Bass

Extra Speaker, Sound, Music

Amplify audio and video files to make them louder and clearer. Increase volume by up to 1000% for a richer sound experience. Export enhanced files without quality loss.

Volume boosting up to 1000%Bass enhancementImport audio/video files

Bass & Volume Boost: Booster

Bass & Volume Boost: Booster

Bass & Volume Boost: Booster

Enhance Audio Output!

Amplify your audio and enhance bass with this music companion. It offers a powerful music player with advanced equalizer controls, playlist creation, and offline listening capabilities. Tailor your sound experience to perfection.

Sound BoosterVolume BoosterAdvanced Music Player

Super Volume Booster: HD Sound

Super Volume Booster: HD Sound

Super Volume Booster: HD Sound

Video and audio sound louder

Enhance your audio experience by significantly increasing the volume of music, videos, and voice recordings. This tool supports various audio formats and allows for easy file import from multiple sources.

Boost audio and video volume up to 1000%Enhance sound quality and music sensationsSupports all audio format files

Audio Booster: Booster

Audio Booster: Booster

Audio Booster: Booster

Audio Booster: Enhance Audio

Enhance your device's audio with a professional-grade volume booster and sound amplifier. Fine-tune every frequency with a 7-band equalizer and a dedicated bass booster for an immersive listening experience. Customize the interface with vibrant themes and lighting controls.

Volume boosterSound amplifier7-band equalizer

Sound Booster: Volume Booster

Sound Booster: Volume Booster

Sound Booster: Volume Booster

Louder Volume, Speaker Sound

Amplify bass volume and enhance sound clarity for a superior audio experience. Play music from your library or Apple Music, and boost the volume of all media, including audio and video files. Adapt sound settings to different environments for optimal listening.

Amplify bass volumeImprove sound clarityBoost all media volume

ProSound EQ: Bass Booster

ProSound EQ: Bass Booster

ProSound EQ: Bass Booster

10-Band EQ, 3D, Offline Music

Enhance your audio with a 10-band equalizer, deep bass control, and immersive 3D effects. Optimize sound for your headphones and enjoy a premium listening experience with local music files. Offers background playback and real-time visualizers.

10-Band EqualizerBass Boost3D Virtualizer

free with in-app purchases

Volume Booster for Spotify

Volume Booster for Spotify

Volume Booster for Spotify

Audio Louder Listen Everywhere

Enhance your music listening experience by boosting volume and bass. Create custom playlists, import tracks from Apple Music, and sync across devices. Enjoy your favorite songs with new energy and clarity.

Volume and bass boostCustom playlist creationImport from Apple Music

Bass Booster and Volume Boost

Bass Booster and Volume Boost

Bass Booster and Volume Boost

Equalizer & Sound Amplifier

Amplify your audio with deep bass, a 10-band equalizer, and immersive 3D surround sound. Customize treble, reverb, and echo for a personalized listening experience across music, movies, and games. Unlock premium features with a subscription.

Deep Bass Boost10-Band Equalizer3D Surround Audio

Max Sound Booster: Boost Music

Max Sound Booster: Boost Music

Max Sound Booster: Boost Music

Equalizer Music, Audio, Video

Enhance your audio and video files with this powerful volume booster. Easily increase sound levels up to 1000% to enjoy louder music and clearer dialogue. Select your file, set the desired volume, and experience amplified sound.

Boost volume up to 1000%Amplify audio filesAmplify video files

Volume Booster ・ Bass Booster

Volume Booster ・ Bass Booster

Volume Booster ・ Bass Booster

Volume Booster & Sound EQ

Amplify your iPhone's audio output up to 1000% for music, videos, and podcasts. Enhance bass and enjoy a clearer sound experience with a powerful equalizer and studio-grade effects. Supports various audio formats and integrates with your music library.

Super Volume Booster (up to 1000%)Powerful Equalizer with presetsAudio Enhancer with studio effects

free with in-app purchases

Audio Booster Higher Volume EQ

Audio Booster Higher Volume EQ

Audio Booster Higher Volume EQ

Speaker Sound Amplifier Louder

Easily increase the volume of any audio file, from podcasts to music, with a simple interface. Achieve studio-grade precision to boost audio up to 30 dB and export high-quality files for sharing.

Boost audio volume up to 30 dBInteractive knob with visualizerProfessional VU meter

Speaker Volume Booster - Pro

Speaker Volume Booster - Pro

Speaker Volume Booster - Pro

Sync Play Music & Videos

This app amplifies your device's audio output beyond default system limits. It enhances music, videos, and other sounds for headphones and speakers, offering a louder and richer listening experience with adjustable bass and equalization.

Increase phone volume beyond system defaultsEnhance music and video audioAmplify headphone and earphone output

🎬 Entertainment

free with in-app purchases

FAQ about Free Sound Booster Offline

What are the best free sound booster offline apps for iPhone?

Louder Volume: Sound Booster tops our free sound booster offline apps ranking as of November 2026, with a 4.4-star average from 119 App Store ratings, and it's free to download.

Does Louder Volume: Sound Booster have ads or in-app purchases?

Louder Volume: Sound Booster has no ads and offers in-app purchases, according to its App Store listing as of November 2026.

How many free sound booster offline apps are on the App Store?

We track 248+ free sound booster offline apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.