I get the comment, replies and post from the peakd tool page. I gather that info every few days. For the rewards I use hivetasks. That one you need to gather the numbers every few days since they only show 7 days of totals. If I forget I use the tools page from PeakD tool page also.

I do use the Engagement league for keeping track of a few different things also, like where I placed, number of comments per week thing also. Due to a computer crash and temporary loss of data, I was unable to add on my Engagement charts on this post.

I have not seen nor know of any tools for going back and gathering things. PeakD tools page is a good place to start. You can just hover the mouse over the dots and it will give you the numbers.