I started a trial around 1.5 weeks ago. Then I received an e-mail saying the subscription price would double if my subscription was not already active. I checked and the app says my (trial) subscription is active, but now I am wondering what I will get charged in the next few days. I’m not sure I’m willing to pay double the rate at the start of the trial. Thanks for your help.
You will get charged with the price that you saw on the go pro page when you started your trial. In your case that was $150/yr or $21/mo.