Cleanify — iOS background audio spike
Proves whether the Web Playback SDK survives a locked screen.
Paste this into the Spotify dashboard, exactly
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Connect Spotify
Playback mode
This page is the device
Remote-control Spotify
Target device
Tap refresh…
↻ Refresh device list
Loading library…
Play
Pause
Resume
⏩ Jump to 15s before track end
Device
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Track
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Wall clock since play
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Audio position advanced
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Drift (wall − audio)
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Longest JS timer stall
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Track boundaries crossed
0
Show verdict