I asked this Apple / Trueplay question a year ago and went with a borrowed phone, now have a few more Sonos and wanted to get my own Apple whatever but the Sonos support page is pretty much no help.
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https://support.sonos.com/s/article/3222?language=en_US
Supported mobile devices
Trueplay tuning is available on all fully-supported iOS or iPadOS devices that can run the Sonos app,
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Trying a chat session was equally frustrating with the same answer.
Not having owned an Apple anything since my Apple II how do I figure out what devices are fully supported? Knowing which will soon be unsupported so I don’t have to buy another soon would be good too.