FlashSync

Preptm - Educational Ltd.

About this app

FlashSync – Conduct Your Orchestra of Light

Turn multiple smartphones into one synchronized light show.

FlashSync lets you connect phones over the same Wi-Fi network and control every flashlight in real time from a single device. Whether you're hosting a party, performing on stage, celebrating with friends, or creating a concert-style atmosphere, FlashSync transforms ordinary phones into an impressive synchronized lighting system.

No expensive lighting equipment required—just smartphones and FlashSync.

Key Features
🎛 Be the Conductor

Use one phone as the controller (Conductor) to manage every connected device instantly.

📱 Join the Orchestra

Connect unlimited nearby phones as receivers using:

Auto Discover
QR Code
Pairing Code
⚡ Real-Time Flash Synchronization

Control multiple phone flashlights with extremely low latency for smooth and synchronized effects.

🎵 Music Sync

Flashlights react to music beats in real time, creating dynamic light shows that match your songs.

💡 Multiple Light Engines

Choose from various lighting effects including:

Wave
Pulse
Strobe
Heartbeat
Random
Rainbow
Continuous Flash
Music Sync
🔄 Chase Engine

Create professional chase lighting effects:

One by One
Reverse
Bounce
Ping Pong
Random
Custom Sequences

Customize:

Direction
Delay
Loop Mode
Stop at End
🎨 Pattern Creator

Design your own flashlight sequences with an easy pattern editor.

Create custom patterns
Save presets
Replay anytime
🎯 Device Groups

Control selected devices independently by assigning them to groups.

Perfect for:

Stage left/right
Team colors
Audience sections
Special effects
🔆 Brightness Control

Adjust flashlight intensity for all connected devices simultaneously.

📊 Live Telemetry

Monitor:

Connected devices
Network status
Signal quality
Latency
Connection health
🌐 Offline Wi-Fi Operation

Works completely over your local Wi-Fi network.

No cloud.
No internet required after devices are connected.

⚡ Fast Pairing

Connect devices in seconds using:

Network Scan
QR Code
Pairing Code
Perfect For

🎉 House Parties

🎧 DJs

🎤 Concerts

🎵 Music Events

💃 Dance Performances

🏟 Stadium Crowds

🎆 Festivals

🎂 Birthday Celebrations

💍 Weddings

🎭 Stage Shows

📸 Content Creators

🎬 Music Videos

Why FlashSync?
Ultra-low latency synchronization
Works on local Wi-Fi
Easy device pairing
Real-time music visualization
Professional lighting effects
Custom flash pattern creator
Multiple control modes
Modern futuristic interface
Battery optimized
Simple to use
How It Works
One device becomes the Conductor.
Other phones join as Receivers.
Connect through Auto Discover, QR Code, or Pair Code.
Choose a lighting mode.
Start the show and watch every phone flash in perfect synchronization.
Permissions

FlashSync requires:

Camera Flash access (to control flashlight)
Microphone (optional, for Music Sync)
Local Network / Wi-Fi (to discover and synchronize nearby devices)
Camera (optional, for scanning QR codes)

No personal data is collected for synchronization.

What’s new

Bugs fixes and UI improvements