Iconosquare - To do or not to do?

Would anyone suggest Iconosquare if I want to see which hashtags are effective, what posting times are working, and whatever other useful information Iconosquare can provide... or is there a better alternative that I'm not aware of? Looking to get some insight for my outdoors landscape account with 30k followers that I'm trying to grow quickly.

Thanks.

Anyone have thoughts on this?