# Flat Equalizer & Bass Booster — Equalizer FX - Volume Booster

> iPhone audio enhancer with equalizer, bass boost, and volume control. (iPhone/iPad app by MODERN COMMUNICATION COMPANY LIMITED.)

- Source: https://appshunter.io/ios/app/flat-equalizer-and-bass-booster/id1670540721 (this page in markdown: same URL + `.md`)
- Developer: [MODERN COMMUNICATION COMPANY LIMITED](https://appshunter.io/developer/1660198098)
- Category: Music, Music
- Price: Free with in-app purchases
- Rating: 4.05/5 from 403 App Store ratings · 18 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 81 MB
- Languages: English
- Released: 2023-02-08
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/flat-equalizer-and-bass-booster/id1670540721/reviews.md

## What is Flat Equalizer & Bass Booster?

Equalizer, Bass Boost, Volume Booster, and Virtualizer for your iPhone.

The user of this app can easily increase sound volume of their phone and enjoy the music in good quality. If you’re having any kind of volume issue on your mobile then, this is the best app to listen to your favourite song at an efficient level. This volume amplifier app facilitates setting the volume of your device according to your own wish.

Disclaimer:
- Please be careful with your hearing and devices. We are not responsible for any damages.
- This application is not affiliated with nor endorsed by any aforementioned company, and it is not an official product of it or of its affiliates.

If you have any issues, you can always contact developer via website:
https://modern.communication.ltd-company-vn.com

Subscription:
- Payment will be charged to iTunes Account at confirmation of purchase.
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
- Account will be charged for renewal within 24-hours prior to the end of the current period. The cost depends on the selected plan.
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.
- Any unused portion of the free trial will be forfeited when the user purchases a subscription.

Privacy Policy:
https://modern.communication.ltd-company-vn.com/pp
Term of Service:
https://modern.communication.ltd-company-vn.com/tos

## Key features

- Equalizer
- Bass Boost
- Volume Booster
- Virtualizer
- Customizable sound settings

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Flat EQ Premium Yearly | $39.99 | per year |
| Flat EQ Premium Weekly | $3.99 | per 7 days |


## Recent user reviews (10 of 18)

All indexed reviews: https://appshunter.io/ios/app/flat-equalizer-and-bass-booster/id1670540721/reviews.md

### 1/5 — Paywall

*2025-05-18*

I should just basically because everything I touch on the app you have to pay either 3099 or the monthly. I can’t even click exit was telling me to pay something.

### 1/5 — her

*2025-04-08, version 1.0.1*

you need pay for this sh...

### 1/5 — Scam

*2025-03-07, version 1.0.1*

Doesn’t work. Avoid.

### 1/5 — Scam

*2025-01-17*

Wish I would have read through the reviews first. App doesn’t work. I want my money back.

### 1/5 — Pay to try scam

*2024-12-11*

I can’t even try it without payment and these kinds of apps rarely work well so that is a no

### 1/5 — Breanna Rogers’s

*2024-10-12*

Why should we pay

### 1/5 — Pay wall even for basic features

*2024-09-03*

Boo, pay wall

### 1/5 — Scam

*2024-08-04*

It didn’t work. It continuously searches for Bluetooth…., scam scam scam! Please refund me my money!!!

### 1/5 — Terrible

*2024-07-29*

i can't even use the app, it won't allow and it's constantly looking for bluetooth devices. i would like my money back, golly this is horrible

### 1/5 — Terrible misleading shame shame shame

*2024-06-06*

It seems lately the big “APPLE” is dealing with some shady developers…keeping it real I actually started looking towards android for some hope lol … god help me I want a refund

## Frequently asked questions about Flat Equalizer & Bass Booster

### What does this app do?

This application enhances your iPhone's audio by providing tools like an equalizer, bass booster, and volume amplifier. It allows users to adjust sound settings to improve music quality and listening volume.

### What are the key features?

Key features include an equalizer for fine-tuning audio frequencies, a bass booster to enhance low-end sounds, a volume booster to increase overall loudness, and a virtualizer for a more immersive audio experience. Users can customize these settings to their liking.

### How much does the app cost?

The app offers a free version with in-app purchases for additional features or subscriptions. Subscription costs vary depending on the selected plan, and auto-renewal can be managed in your account settings.

### Is this app compatible with my iPhone?

This app is designed for iPhone devices. Specific compatibility details, such as iOS version requirements, can typically be found on the app store listing.

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

Common use cases include listening to music at a higher volume, enhancing the bass in songs, adjusting audio for podcasts or videos, and generally improving the sound quality of your iPhone for a more enjoyable listening experience.

## Version history (last 2 releases)

### 1.0.1 — 2023-02-11

Thanks for download our app!
In version 1.0.1, what's new:
- Fix bugs & improve app performance
- Update privacy policy & term of use
- Add welcome screen & in-app purchase
Best regards!

### 1.0.0 — 2023-02-09

No release notes.

## Apps similar to Flat Equalizer & Bass Booster

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Bass Booster Volume Boost EQ](https://appshunter.io/ios/app/bass-booster-volume-boost-eq/id1475414196) | 4.4 (15,429) | Free | Music |
| [Bass Booster & Music Equalizer](https://appshunter.io/ios/app/bass-booster-and-music-equalizer/id1527331911) | 4.2 (1,301) | Free | Music |
| [Sound & Bass Booster: Music EQ](https://appshunter.io/ios/app/sound-and-bass-booster-music-eq/id6560104236) | 4.5 (117) | Free | Music |
| [Equalizer - Volume Booster EQ](https://appshunter.io/ios/app/equalizer-volume-booster-eq/id1550086698) | 4.3 (6,176) | Free | Music |
| [Volume Increaser: Bass Booster](https://appshunter.io/ios/app/volume-increaser-bass-booster/id6499562945) | 4.4 (222) | Free | Music |
| [Bass Boost: Volume Booster App](https://appshunter.io/ios/app/bass-boost-volume-booster-app/id6502387833) | 4.4 (176) | Free | Music |

## More apps by MODERN COMMUNICATION COMPANY LIMITED

- [Smart Home Connect for Roku](https://appshunter.io/ios/app/smart-home-connect-for-roku/id1670800274)

All apps by MODERN COMMUNICATION COMPANY LIMITED: https://appshunter.io/developer/1660198098

---

*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 2026-06-10.*