Watches for Cozie

Cozie is currently available on Apple Watches and select Fitbit devices. Below, you will find an overview of all devices compatible with Cozie.

Apple Watch

Cozie should work on all Apple Watches. However, we have only tested the following devices:

Watch	Tested	Availability
Apple Watch Series 6	Model: 44mm, GPS, no cellular	no longer sold
Apple Watch Series 7	Model: 45mm, GPS, no cellular	no longer sold
Apple Watch Series SE (2nd Gen)	Model: 44mm, GPS, no cellular	available
Apple Watch Series 8	Model: 45mm, GPS, no cellular	no longer sold
Apple Watch Series 9	Model: 45mm, GPS, no cellular (currently testing)	available

Please let us know if you have used Cozie successfully on other Apple Watches. Please, note that the watch screen size can influence how the content is rendered, i.e., strings might be broken up differently to multiple lines depending on the watch screen size.

Fitbit

Fitbit's SDK has a compatibility break. Hence, there are two versions of Cozie Fitbit.

Watch	SDK	Tested	Availability
Fitbit Sense	New	No	No
Fitbit Versa 3	New	Yes	No
Fitbit Versa 2	Old	Yes	No
Fitbit Versa Light	Old	Yes	No
Fitbit Versa	Old	Yes	No
Fitbit Ionic	Old	Yes	No

Some of the newer Fitbit devices do not support third-party apps and hence are incompatible with Cozie Fitbit, e.g., Fitbit Versa 4 or Fitbit Sense 2.

Please let us know if you have used Cozie successfully on other Fitbit devices.