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(Summary: 14 out of 16 reviews are 1-star)

Here's a few lists with a huge price range.

Almost all are iOS compatible. Many are Android compatible. Cobra Tag is BlackBerry compatible. None are Windows compatible.

And there's even another one: http://www.chipolo.net/

FTA: "There will also be third-party applications for Treasure Tag to support Android and iOS devices."

From TFA: "There will also be third-party applications for Treasure Tag to support Android and iOS devices."

It is interesting to see alternatives, though.

That's ironic. Windows Phone users ask the same question all the time.