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by pimlottc 748 days ago
They don't claim everything is done on-device, just that the audio stream processing is.

> Grooved does not collect any data, whatsoever. The audio stream is processed locally on your device and never recorded.

Which is consistent with how ShazamKit works [0]:

> Audio is not shared with Apple and audio signatures cannot be inverted, ensuring content remains secure and private.

0: https://developer.apple.com/shazamkit/