Wattbike Atom/Ipad/what heartrate monitor

Hi guys,

New to Zwift and just wondering, using a Wattbike atom with a apple ipad,what HRM do you suggest? My Suunto dual doesnt sync up (ant not ant+), your help would be much appreciated

I use a Wahoo Tickr with Atom & iPad. Rock solid.

Awesome cheers Ben Ill grab one