Most issues solve themselves in 30 seconds. Here's what we hear most often.
Phosphor does not run on Intel Macs. We get this question often — sorry. The Metal 3 features we use aren't backported and the Core Audio Process Tap is Apple Silicon only.
Quit and relaunch Phosphor once. macOS sometimes drops the audio tap when an app starts before any audio is playing. If it still happens, open System Settings → Privacy & Security → Audio Recording and confirm Phosphor is allowed.
Known issue with some Bluetooth audio devices. The Core Audio graph briefly disconnects between tracks. Wired or AirPlay 2 audio does not show this.
There is no frame-rate setting to change: Phosphor already caps itself at 60 fps and halves to 30 on Low Power Mode. To cut GPU load, open Settings and turn off the most expensive post-FX, BLOOM and CHROMA, or pick a lighter scene.
macOS does not let third-party apps persistently set wallpapers across reboots. Phosphor reapplies on launch, so set it to launch at login (System Settings → General → Login Items) and you will not notice.
Drag Phosphor.app to the Trash. Preferences live in ~/Library/Preferences/com.littleknifelabs.phosphor.plist if you want a clean wipe. Wallpapers are restored automatically.
Sign in with the same Apple ID and download from the Mac App Store. No re-purchase needed. Family Sharing also works.
Apple handles all App Store refunds. Visit reportaproblem.apple.com, sign in, find Phosphor, and request a refund. Most requests within 14 days are granted automatically.
We answer every email, usually within a day. There's no support tier, no ticket number, no chatbot — it's the team that built the app.
[email protected] →macOS 14.4 or later. Apple Silicon. No subscription, ever.
Download on the App Store →