Since SERPBook was first released, there have been a lot of innovations in rank tracking.
Unfortunately SERPBook have failed to innovate and now there are much better options out there to consider.
Personally I am using these two at the moment-Accuranker review) and does everything to an excellent standard top to bottom-
You can even import your data into Google Data Studio!
I use RankTracker to keep my own local ranking records just in case-