Title: Installation
Description: Install the GhostESP companion app on your Flipper Zero device.
URL: /v2.1/flipper-app/installation/
Version: v2.1
Section: Flipper Zero App
Keywords: install, setup, app store, fap
Search index: /search-index.json

# Installation

> Install the GhostESP companion app on your Flipper Zero device.

## On this page

- [Prerequisites](#prerequisites)
- [Method 1: Flipper App Store (Recommended)](#method-1-flipper-app-store-recommended)
- [Method 2: Manual Installation](#method-2-manual-installation)
- [Version Compatibility](#version-compatibility)
- [Next Steps](#next-steps)

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## Prerequisites
- Flipper Zero device
- GhostESP firmware flashed on an ESP32 device
- Latest version of the companion app (.fap file)
## Method 1: Flipper App Store (Recommended)
- Open the Flipper App Store on your Flipper Zero
- Search for “GhostESP” or “ghost_esp”
- Install the app directly from the store
- The app will appear in your Applications menu
## Method 2: Manual Installation
-
Download the latest release
Visit the [releases page](https://github.com/GhostESP-Revival/GhostESP-FlipperCompanion/releases/latest)
- Download the .fap file for your Flipper Zero firmware version
-
Transfer to Flipper Zero
Use qFlipper (desktop or mobile app) to transfer the file
- Or copy the .fap file directly to your Flipper’s SD card under apps/ directory
-
Launch the app
Navigate to Applications → GhostESP on your Flipper Zero
- The app will start and attempt to connect to your GhostESP device
## Version Compatibility
The companion app is regularly updated to support new GhostESP firmware features. Always use the latest version of both:
- GhostESP Firmware: Latest release from main repository
- Companion App: Latest .fap from [releases](https://github.com/GhostESP-Revival/GhostESP-FlipperCompanion/releases)
Note: Older app versions may not support newer firmware features. Check the [changelog](https://github.com/GhostESP-Revival/GhostESP-FlipperCompanion/blob/main/CHANGELOG.md) for compatibility information.
## Next Steps
After installing the app, proceed to [Connection Setup](/v2.1/flipper-app/connection/) to configure the serial connection between your Flipper Zero and GhostESP device.