RhythMic: Sync colors W sounds

Turn your phone into a real-time music visualizer! 30+ themes, multi-phone sync, BPM detection, Apple Watch support & more. Perfect for parties, content creation & vibes.

RhythMic transforms your iPhone into a stunning real-time music visualizer that reacts to every beat, bass drop, and melody around you. Whether you're hosting a party, creating content, or just vibing to your favorite tracks — RhythMic makes the moment unforgettable.

HOW IT WORKS Your phone's microphone listens to ambient sound and instantly translates it into mesmerizing full-screen visuals. No cables, no setup — just open the app, pick a theme, and let the music do the rest. You can also use it without a microphone for a smooth, auto-animated light show.

30+ PREMIUM THEMES Choose from 9 visual categories:

• Solid Colors — classic single-color flashes synced to the beat
• Double Colors — two-tone alternating color combos
• Gradients — smooth animated gradient transitions (Ocean, Sunset, Disco, Rainbow)
• Patterns — ripples, radial bursts, wave lines & particles
• Shape Visualizers — pulsing circles, equalizer bars & waveforms
• Mood Presets — curated combos like Chill, Rave, Campfire, Ocean & Sunset
• Frequency-Based — colors mapped to bass/mid/high audio frequencies via real-time FFT
• Custom Palettes — create your own 3–5 color palettes
• Random — surprise color sequences

REAL-TIME AUDIO ANALYSIS Powered by AVAudioEngine and Accelerate FFT, the app analyzes audio frequencies in real time. Bass triggers red, mids trigger green, highs trigger blue — or pick any theme and watch the intensity respond to every sound.

BPM DETECTION An on-screen BPM counter detects tempo from 60–200 BPM using autocorrelation, so you always know the rhythm of the room.

MULTI-PHONE SYNC Connect multiple iPhones over local Wi-Fi using MultipeerConnectivity. One phone hosts, others join — and every screen flashes in perfect sync. Great for group light shows at parties.

APPLE WATCH SYNC Your Apple Watch flashes colors in sync with your phone via WatchConnectivity. Turn your wrist into part of the show.

FLASHLIGHT STROBE Enable the camera flash LED as a beat-synced strobe light with built-in safety limits.

LIVE ACTIVITY See a live beat visualizer on your Lock Screen while the party runs in the background (iOS 16.1+).

DARK/LIGHT INVERSION Toggle inverted mode for a black-on-white flash effect — perfect for bright environments or creative contrast.

SCREEN RECORDING MODE Automatically hides UI clutter when screen recording is active. Add an optional watermark for branded content.

LIFETIME PREMIUM One-time purchase. No subscriptions. All future updates included. Support an indie developer.

RhythMic is built for party lovers, DJs, content creators, and anyone who wants to turn sound into light. Download now and let the music take over your screen.