# FiiO Control vs Guilbert Diffusion

FiiO Control and Guilbert Diffusion are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FiiO Control | Guilbert Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (26 ratings)](https://appshunter.io/ios/app/fiio-control/id1485988916/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 204 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州飞傲电子科技有限公司](https://appshunter.io/developer/1147527893) | [Fly Your Mind](https://appshunter.io/developer/6774081347) |

## What reviewers say

### FiiO Control

[App page](https://appshunter.io/ios/app/fiio-control/id1485988916)

This application allows users to customize and control their FiiO Bluetooth audio devices. Adjust audio settings, equalizer profiles, and general device functions for an enhanced listening experience.

**Highlights:** Customize general functions (charging, RGB, DAC mode), Adjust equalizer settings, Change audio settings (digital filter, channel balance), Access embedded user guide, Connect to supported FiiO Bluetooth devices

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works well
- 🚀 Equalizer functionality
- 🚀 Firmware updates
- 🚀 Device controls

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Buggy and unreliable
- 🐛 Crashes and freezes
- 🐛 Lack of device support
- 🐛 Unresponsive app

**Reported bugs**

- App not detecting devices
- Connection failures
- Crashes on startup
- Settings not persisting
- Incompatibility with newer devices and iOS versions

**Requested features**

- More customizable EQ
- Multiple EQ presets
- Parametric EQ
- Firmware update support
- Wider device compatibility


### Guilbert Diffusion

[App page](https://appshunter.io/ios/app/guilbert-diffusion/id6774081345)

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

**In-app purchases:** none


## Frequently asked questions

### Is FiiO Control free?

FiiO Control is free to download, with no in-app purchases.

### Is Guilbert Diffusion free?

Guilbert Diffusion is free to download, with no in-app purchases.

### Do FiiO Control or Guilbert Diffusion have ads?

Neither FiiO Control nor Guilbert Diffusion shows ads.

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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.*