Hi there, will the change apply to users who join a group challenge or just to those who want to create a group challenge? We would like to create a challenge for volunteers at our charity to all participate in and were wondering if just one of us needs a paid account, to order to create the challenge, and then everyone else involved can join it with free accounts? Thanks!

I have already started my a month trail and paid subscription from end of Sep. I tried to invite others to my group but they are not allowed to join without a subscription. Please could you help me.