# Flat Equalizer FX vs EQalify

The clearest difference is update cadence: Flat Equalizer FX at every 2 days against EQalify's every 3 weeks. EQalify's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 EQalify sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flat Equalizer FX ships an update every 2 days, EQalify every 3 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Flat Equalizer FX | EQalify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (126 ratings)](https://appshunter.io/ios/app/flat-equalizer-fx-bass-booster/id6752917770/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 8 MB | 10 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thuy An Truong](https://appshunter.io/developer/1841770593) | [slehyder martinez](https://appshunter.io/developer/6786435660) |

## 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 |


### EQalify

[App page](https://appshunter.io/ios/app/eqalify/id6790160103)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EQalify Pro | $5.99 | one-time |


## Frequently asked questions

### Is Flat Equalizer FX free?

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

### Is EQalify free?

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

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

Neither Flat Equalizer FX nor EQalify shows ads.

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

Flat Equalizer FX ships an update every 2 days, and EQalify every 3 weeks. Most recently, Flat Equalizer FX was updated on October 25, 2026 and EQalify on October 21, 2026.

---

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