Just to clarify the comments re the Joule to control the PowerSync trainer, there are two options, the Joule GPS and the Joule 2.0 (same features just no GPS) these units will control the trainer. Garmins cannot control the trainer as they do not have the capability to "talk" to the trainer, they can only "listen" so your Garmin will display the same data as a Joule but will not be able to adjust the resistance. In terms of apps, without a paid up subscription to the CycleOps Virtual Training app you can still do the freeride option, and that is limited to 1h, once the 1h is done, you can restart and do another hour should you wish. You are not tied into the monthly subscription either, you can buy 1 month and not use it again for 6 months then renew again when you want to. This is a setting in the app when you sign up - auto renew is a default setting so be aware to change this to "off" when you sign up.
