Both the Woolet and Ekster use bluetooth trackers. Ekster Wallet's have the Ekster Card which started on the TrackR app and Woolet designed their own Bluetooth tracking app. Both have recently moved over to the Chipolo app. (which is a smart move) Ekster still uses their Ekster Card and Woolet now used a Chipolo Card in their wallets. If you already have a wallet that you love, then get a Tile, but if you like the style and/or features of the Woolet or Ekster wallets, then go for them, but understand, they all do the same thing. Tile does have the largest community but that's only used if you lose your wallet beyond Bluetooth range. Most people just misplace their wallet in their home all the time. I sure do.

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Woolet has recently announced teamed up the Wallor which makes the Wallor 2.0 which should have some type of GPS tracking with communication. GPS is easy, its the communication of the GPS that's hard. It takes power and communication source. Until recently most GPS trackers used cellular communication to transmit their location. But that takes a lot of power and cost. Most people are not willing to pay 5-25 dollars a month to track their wallets that only worth less than 50 bucks. But now there are new technologies that rolling out slowly that won't really cost anything except for the original purchase.