AudioVisualizer - Retro VFD

Don't just listen to your music—watch it come alive. AudioVisualizer brings the mesmerizing glow of 1980s and 1990s golden-era stereo equalizers and iconic car audio systems to your iPhone. Faithfully emulating classic Vacuum Fluorescent Displays (VFD), this native visualizer transforms sound into captivating, real-time light shows. Visualize ambient music through your microphone, or import lossless FLAC and hi-res audio files directly from the Files app for seamless queue playback. KEY FEATURES: ◆ 3 Iconic Visualizer Skins • Classic (10-Band): The timeless aesthetic of home hi-fi components with smooth, authentic phosphor bars. • 3D Car Audio (90s VFD): Relive midnight highway cruises with immersive 3D perspective display emulation. • 3D Car Audio (Trapezoid): An electrifying inverted-trapezoid arena layout capturing explosive bass and treble dynamics. ◆ Native Audio Engine with Fluid 60fps Performance • Powered by Apple's Accelerate framework and Metal for ultra-low latency FFT frequency analysis. • Millisecond-accurate ballistics simulating physical attack, decay, and peak-hold phosphor physics. ◆ Lossless Audio File & Folder Playback • Import audio files (FLAC, WAV, ALAC, MP3, AAC) directly from your device or iCloud. • Add entire folders with one tap to create seamless playback queues. • Full support for background playback, lock screen controls, and repeat modes. ◆ Deep Customization (81 Color Combinations) • 9 vibrant phosphor colors for bars and peak markers: White, Cyan, Green, Blue, Purple, Pink, Orange, Yellow, and Red. • Adjustable segment resolution from 10 to 100 levels. • Fine-tune rise speed, fall speed, and peak hold duration. • Independent sensitivity gains for microphone and file playback. Perfect as desk decor, a companion for late-night listening sessions, or rediscovering your favorite records. Turn your iPhone into a piece of timeless audio craftsmanship.