Rated 4 out of 5 stars

but unfortunately not with icloud :(
verification fails with
2016.01.29 16:04:27:673 : Validation module : Validating without discovery request on https://p01-contacts.icloud.com/xxx/carddavhome/card/ ...
2016.01.29 16:04:27:915 : Validation module : Synchronization failed (step : validateWithoutDiscovery, url : https://p01-contacts.icloud.com/xxx/carddavhome/card/, status : 401)
any ideas?
if there's something i can do to get a more detailed log, let me know...

This review is for a previous version of the add-on (7.2). 

by email please ! :O)