# Volume Booster - Equalizer FX — Bass Boost EQ & Music Player

> Volume booster, equalizer, and music player for enhanced device audio. (iPhone/iPad app by Kartum Infotech.)

- Source: https://appshunter.io/ios/app/volume-booster-equalizer-fx/id1487361377 (this page in markdown: same URL + `.md`)
- Developer: [Kartum Infotech](https://appshunter.io/developer/1258050826)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 3.60/5 from 681 App Store ratings · 155 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 78 MB
- Languages: American English, French (France), German (Germany), Hindi, Japanese, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2019-11-16
- Data updated: 2026-08-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/volume-booster-equalizer-fx/id1487361377/reviews.md

## What is Volume Booster?

Volume Booster is able to push the phone volume up higher than the system defaults. This app enhances music volume and output to headphones or earphones. Making the all sounds of your device much louder having volume+
BOOST THE VOLUME OF YOUR DEVICE SPEAKERS! Amazing Hearing Amplifier

Bass Booster lets you adjust sound effect levels so that you get the best out of your Music, Audio or Video coming out of your device. Improve the sound quality of your device with the Bass Boost, Virtualizer and Equalizer by using this bass booster app. Turn on the Bass Booster application and adjust sound level and frequency.

Equalizer FX : Rich sound effects system, 10 bands Equalizer, Customizable preset like Accoustic, Bass Booster, Bass Reducer, Classic, Dance, Deep, Electronic, Hip-Hop, Jazz, Latin, Loudness, Lounge, Piano, Pop, RnB, Rock, Small Speakers, Spoken Word, Treble Booster, Treble Reducer, Vocal Booster.

Offline Music Player : Browse and play music by songs, album, artist, playlist.

3D Surround Music Player : Powerful 8D music player with 3D surround sound system. 8D effects with different types of reverb like Room, Hall, Chamber, Plate, Ambiences etc.

BOOST YOUR IPHONE's music volume and customize your SOUND!
Customize the sound quality for music tracks
from your:
-> iPhone / iPad / iPod touch music library,
-> Import music from Files App & iTunes music library using shared folder


Key features
- Helps various types like mkv, mp4, aac, avi, mp3, mov, aiff, m4a.
- Open the Music player and play your music
- Bass Booster : enhance the sound quality & music sensations
- Amp Audio FX + Bass : Amplifier Music Player
- Music equalizer boosts volume and ensures no distortion when increasing
- Boost your music file volume with one tap.
- It helps decrease or mute sound for your sound file too.
- Music player volume booster for headphones & external speaker
- Increase video, audio, music, voice, audio book volume.
- Supports boost any audio format file.
- Import your sound file from device, other apps, or clouds.
- Boost your music file volume up to 200%,300%,400%,500%,600%,700%.800%,900%,1000%.
- Bass booster expands system volume
- Simple, easy to use interface
- Improve sounds using Equalizer + Volume Booster

Extra volume booster, a max volume visualizer for iOS, can be your best choice! No complex operations

Disclaimer:
Playing audio at high volume may damage your hearing or broke your speakers. We advise you to boost the volume step by step, to get the appropriate volume. By installing this application you agree that you will not hold its developer responsible for any damage to hardware or hearing, and you are using it AT YOUR OWN RISK.

UNLIMITED PREMIUM SUBSCRIPTION
Subscriptions are weekly, monthly and annual**
Payment will be charged to iTunes account at confirmation of purchase
Subscription automatically renews unless auto-renew is turned off at least 24-hours prior to the end of the current billing period

** Subscription amounts are equal to the value that the "Apple's App Store Matrix" determines to be the equivalent of the subscription price of your local currency in $USD.

Terms of Use: https://sites.google.com/view/krterms/home
Privacy Policy: https://sites.google.com/view/krapps/home

## Key features

- Volume boosting up to 1000%
- Bass booster and virtualizer
- 10-band customizable equalizer
- Offline music player
- 3D surround sound with 8D effects
- Supports various audio formats

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Quarterly unlimited | $5.99 | per 3 months |
| Yearly unlimited | $9.99 | per year |
| Weekly unlimited | $2.99 | per 7 days |
| Monthly unlimited | $3.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Volume Booster Pro, Lifetime! | $39.99 | one-time |


## What do users think of Volume Booster?

Overall sentiment: neutral

**Pros**

- 🚀 Volume booster
- 👍 Excellent sound quality
- 🔋 Enhances audio experience
- 🔊 Powerful bass boost
- 🎧 Works well with speakers/headphones

**Cons**

- 🐛 Doesn't work with existing music
- 💰 Requires subscription for full features
- 📢 Too many ads in free version
- 🔌 Doesn't work with all devices
- 🤔 Confusing to use

**Commonly reported bugs**

- App crashes frequently
- Volume boost not working consistently
- Subscription issues

**Most requested features**

- Offline mode
- Equalizer controls
- Ability to save custom settings
- Integration with music streaming apps

## Recent user reviews (10 of 155)

All indexed reviews: https://appshunter.io/ios/app/volume-booster-equalizer-fx/id1487361377/reviews.md

### 5/5 — The the the the BEST !!!!!

*2026-07-17, version 3.9*

Can’t get any BETTER !

### 5/5 — Nice app

*2026-07-13, version 3.9*

Excellent app

### 5/5 — The BEST

*2026-03-12, version 3.9*

Every note, every Lyric, Can be heard in Perfection…. Simply the Best

### 1/5 — Don’t bother

*2026-01-24, version 3.7*

Clunky app, strange navigation, most of my music files don’t work. You can’t manually put the songs in a playlist in a preferred order. Pretty much sucks.

### 5/5 — Volume booster

*2025-12-22, version 3.7*

The app is great but please let us use it offline as well with features open !

### 1/5 — I’m having this in my Cooly list

*2025-09-11, version 3.7*

It is so cool that the app remembers even if you reinstall it knows you by your apple account

### 5/5 — Best one yet

*2025-08-31, version 3.7*

All I got to say is small subscription fee but you get everything you need I love this app

### 5/5 — Just what I needed

*2025-08-07, version 3.7*

I loved it

### 5/5 — Dope!

*2025-08-07, version 3.7*

I LOVE this app! 🔥🔥🔥

### 5/5 — Brilliant

*2025-08-06, version 3.7*

Volume Booster

## Frequently asked questions about Volume Booster

### What does Volume Booster - Equalizer FX do?

This app allows you to increase your device's volume beyond system defaults, enhance bass, and customize sound quality with a 10-band equalizer. It also functions as an offline music player with 3D surround sound capabilities.

### What are the key features of this app?

Key features include significant volume boosting (up to 1000%), bass enhancement, a customizable equalizer with many presets, an offline music player, and 3D surround sound effects. It supports a wide range of audio file formats.

### How much does Volume Booster - Equalizer FX cost?

The app is free to download and use, but it offers an unlimited premium subscription with weekly, monthly, and annual options for full access to all features and an ad-free experience.

### What devices is this app compatible with?

The app is designed for iOS devices, including iPhone, iPad, and iPod touch. It can play music from your device's library, the Files app, and iTunes.

### What are common use cases for this app?

Common use cases include making music sound louder and richer, improving audio quality for videos, enhancing spoken word content like audiobooks, and creating a more immersive listening experience with 3D surround sound.

## Version history (last 5 releases)

### 3.9 — 2026-02-25

Bass booster improved
Performance improvement
Crash resolved

### 3.8 — 2026-02-16

Bass booster improved
Bug Fixes
Performance improvement

### 3.7 — 2025-06-28

Multiple language added
Performance improved

### 3.6 — 2025-06-10

Performance Improvement
Now save Individual EQ settings for song
Bug fixes

### 3.5 — 2025-06-05

Performance Improvement
Now save Individual EQ settings for song

## Apps similar to Volume Booster

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Bass Booster. Music & Sound EQ](https://appshunter.io/ios/app/bass-booster-music-and-sound-eq/id6657991064) | 4.5 (63) | Free | Utilities |
| [Volume Booster & Bass - Amply](https://appshunter.io/ios/app/volume-booster-and-bass-amply/id6738328738) | 4.4 (154) | Free | Utilities |
| [Louder Booster: Volume Boost](https://appshunter.io/ios/app/louder-booster-volume-boost/id6450641910) | 4.5 (402) | Free | Utilities |
| [Sound Booster: Volume Booster](https://appshunter.io/ios/app/sound-booster-volume-booster/id1671974938) | 4.4 (153) | Free | Utilities |
| [Music EQ. Sound, Bass Booster.](https://appshunter.io/ios/app/music-eq-sound-bass-booster/id6737901741) | 4.5 (28) | Free | Utilities |
| [Speaker Volume: Bass Booster](https://appshunter.io/ios/app/speaker-volume-bass-booster/id6449241793) | 4.5 (266) | Free | Utilities |

## More apps by Kartum Infotech

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All apps by Kartum Infotech: https://appshunter.io/developer/1258050826

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*