With the Bkool Classic, it needs to be the post Aug 2014 model to work with ANT+ FE-C (that is, have the resistance controlled by other apps). The quick check for this is if it has a USB port in the panel where you connect the power. If it does, it probably won't work as it's the old version. If if doesn't - and just has the power socket, LED and reset hole - it should be OK.