I had the same issue, but after contacting support, I was able to re-claim the email address from my trial account and use it as an email alias of my main Fastmail account.
Feedly [0] (web app and on IOS) has been amazing since Google Reader died. On IOS it makes flipping through items and saving them for later a smooth and relatively fast experience.
[0] https://www.fastmail.help/hc/en-us/articles/1500000280221-Ho...