# Flat Equalizer FX vs Flat Equalizer

The clearest difference is review sentiment: Flat Equalizer at 88% against Flat Equalizer FX's 0%. Flat Equalizer also leads on monetization model (free with in-app purchases vs subscription). Flat Equalizer FX's advantage is update cadence (every 2 days vs fortnightly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flat Equalizer FX sells 2 in-app purchases, starting at $6.99 per 7 days and Flat Equalizer sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Flat Equalizer FX ships an update every 2 days, Flat Equalizer fortnightly. The most recent releases landed on September 14, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Flat Equalizer FX | Flat Equalizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (109 ratings)](https://appshunter.io/ios/app/flat-equalizer-fx-bass-booster/id6752917770/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 0.0% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 8 MB | 11 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thuy An Truong](https://appshunter.io/developer/1841770593) | [Md Milon Hossain](https://appshunter.io/developer/1729011832) |

## What reviewers say

### Flat Equalizer FX

[App page](https://appshunter.io/ios/app/flat-equalizer-fx-bass-booster/id6752917770)

Easily connect and manage your Bluetooth speakers, play music, and fine-tune your audio. Generate test tones and white/pink noise to check your sound setup with a clean, intuitive interface.

**Highlights:** Bluetooth speaker connection and control, Music playback, Equalizer, volume, and bass adjustment, Test tone generation (sine, square, triangle, saw), White and pink noise testing, Modern and easy-to-use interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access Weekly | $6.99 | per 7 days |
| Premium Access Monthly | $19.99 | per month |


### Flat Equalizer

[App page](https://appshunter.io/ios/app/flat-equalizer/id6753087386)

Enhance your audio with a professional music equalizer and powerful volume booster. Fine-tune tracks with custom presets or create your own settings. Experience immersive sound with advanced features for wired and wireless headphones.

**Highlights:** 10-band music equalizer, Headphone volume booster, Customizable EQ presets, Extra Boost feature, Bluetooth equalizer support, Save custom EQ settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $99.00 | per year |
| Lifetime | $9.99 | one-time |
| Lifetime | $29.99 | one-time |

**What reviewers like**

- 🔊 Loud and Crystal Clear
- 💎 Crystal Clear Sound
- 🎨 Perfect Sound Customizer
- 🎯 Love the Presets
- 🌟 Highly Recommended


## Frequently asked questions

### Is Flat Equalizer FX free?

Flat Equalizer FX is free to download, with in-app purchases available.

### Is Flat Equalizer free?

Flat Equalizer is free to download, with in-app purchases available.

### Do Flat Equalizer FX or Flat Equalizer have ads?

Neither Flat Equalizer FX nor Flat Equalizer shows ads.

### Which is updated more often, Flat Equalizer FX or Flat Equalizer?

Flat Equalizer FX ships an update every 2 days, and Flat Equalizer fortnightly. Most recently, Flat Equalizer FX was updated on September 14, 2026 and Flat Equalizer on September 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*