New in 1.1: drive Apple TVs from your Mac with Phosphor Link, hand the show to Autopilot, and choose how hard the visuals hit with REACTIVITY.
Phosphor turns whatever is playing on your Mac into visuals that move with it.
Play something in Apple Music, Spotify, a browser, a DJ app or your DAW. Phosphor listens to the system audio and drives a library of hand-tuned scenes from it. Every scene reads the transients in the music, so it moves when the kick does.
THE SCENES
Spectrum analysers, oscilloscopes and vectorscopes that behave like real instruments. Fractals, tunnels, particle fields, terrain and fluids. A whole family of retro panels for anyone who remembers a hi-fi with a display worth watching. Browse by category, search by name, and star the ones you keep going back to.
REAL AUDIO ANALYSIS
FFT with separate bass, mid and treble energy, onset detection, a beat tracker with tempo and phase, spectral centroid and stereo width. Scenes read the waveform itself, so an oscilloscope draws your music instead of a stand-in for it.
AUTOPILOT
Press AUTO and Phosphor runs the show. It picks scenes to suit the energy of the music, rides the effects on the beat, and turns the scene and the look over together on a phrase change. Choose SUBTLE, RIDE or FULL SEND, and how long it holds a scene. It favours the scenes you have starred and steps aside when you pick one yourself.
MAKE IT YOURS
CRT, bloom, vignette, grain and chromatic aberration. Hue, saturation and brightness. Kaleidoscope, exposure, pixelation and blur. Layer a second scene over the first with blend modes, adjust the crossfade between scenes, and save the whole look as a preset. REACTIVITY sets how hard each hit lands, from GENTLE to FULL.
PHOSPHOR LINK
Put the show on the big screen. With the Phosphor Link add-on, your Mac drives any number of Apple TVs running the free Phosphor Stage app. Each screen draws the scenes itself at its own resolution, in time with your Mac's beat, with your effects and overlays applied. Link sends the analysis, never the music, so sound stays on your Mac. Local network only. One-time purchase.
RECORD WHAT YOU'RE WATCHING
Capture the visuals with the system audio already mixed in. H.264 to an MP4 for posting, or ProRes 422 LT to a MOV for cutting. Record at 1080p, 1440p or 4K however small the window is. The scene re-renders offscreen at full resolution, so you get real detail instead of an upscale. Switch on LOOP TO BAR and the take starts on a downbeat and ends on a bar line, so the clip loops back to itself cleanly.
FITS YOUR DESKTOP
Run it as a floating window that stays on top, go fullscreen, or set it behind your icons as a live wallpaper. A mini equaliser in the menu bar shows it is listening at a glance.
PRIVATE BY DESIGN
No account, no telemetry, no analytics, and no connection to any server of ours. The only network Phosphor uses is your own: Link finds Apple TVs on your local network and sends them a few hundred bytes a frame describing your audio. It never sends the audio, and nothing leaves your network.
Apple silicon, macOS 14.4 or later. System-audio capture uses Core Audio's process tap, which sets the 14.4 floor.
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Pretty cool
collecktpack
I bought this with low expectations but was impressed and love this.
Worth $50!
anjnlz
Amazing app!
PHOSPHOR LINK
- Drive Apple TVs from your Mac. Install the free Phosphor Stage app on each Apple TV, and every screen draws the scenes itself at its own resolution, in time with your Mac's beat tracker.
- Picture only. Link sends a few hundred bytes of audio analysis a frame, never the music. Sound stays on your Mac.
- Your look goes with it. Effects, overlays and Reactivity follow the Mac on every screen.
- A DELAY slider holds the picture back to meet sound that reaches the room late, such as Bluetooth speakers.
- Works on your local network. Apple TVs show up by the room name you give them.
- A one-time purchase in Settings, LINK tab.
AUTOPILOT
- Press AUTO, or R, and Phosphor runs the show. It picks scenes to suit the energy of the music, rides the effects on the beat, and turns the scene and the look over together on a phrase change.
- Three drive levels: SUBTLE, RIDE and FULL SEND. Choose how long it holds a scene, from 15 seconds to 5 minutes.
- It favours the scenes you have starred and steps aside the moment you pick one yourself.
EASIER ON THE EYES
- Scenes pulse with the kick again. 1.0.5 made every scene hit much harder, and on a lot of music that came across as harsh strobing. Each hit now swells and fades, and the kick pulse is limited to three a second.
- New REACTIVITY setting in Settings, LOOK tab: GENTLE, STANDARD or FULL. GENTLE follows the music without flashing on each hit, and is chosen for you when Reduce Motion is on.
TWO NEW SCENES
- EMPEG PEAKS: the per-column analyser from the original empeg car stereo. A dim skyline of bars with a bright dot riding each one, thrown up by every hit and caught on the way down.
- WARP FEED: a ring drawn by the waveform, pouring down a tunnel made of its own history in the spirit of MilkDrop. Every kick launches a bright ring into it.
SCENES
- OSCILLOSCOPE, OSCILLORING, LISSAJOUS and VECTORSCOPE leave trails, the way a phosphor screen does.
- Bar scenes rest low and reach the top on the peaks, instead of living near the top of the screen.
- Around sixty scenes sped up the longer they ran. They hold a steady pace now.
- RADAR SCOPE no longer fills with white. The cars in DRIFT look like cars, with headlights that flicker to the music. SPIROGRAPH turns more calmly.
FIXES
- The menu bar panel opens and closes reliably on macOS 27.
Version 1.1.0
The developer, Little Knife Labs LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
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Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More