Which MyKronoz devices are compatible with MyKronoz App? June 27, 2019 08:28 Updated MyKronoz App is compatible with: ZeRound3 ZeRound3 Lite ZeTime ZeTrack ZeFit4/4HR Related articles Where can I download the MyKronoz App? I cannot pair my smartwatch, what can I do? Why isn't my ZeTime pairing? My smartwatch is paired but it does not sync, what can I do? How do I keep MyKronoz app active in the background?