SEMRush and Ahrefs?

NOTE: PLEASE DO NOT MESSAGE ME WITH "I DO SEO AND CAN HELP YOU" SPAM I WILL NOT RESPOND. I'm looking to up my SEO game this year, and these tools came across in my searches. If you've used either (or both of these) I'd love to hear how it went, and how you're using them to increase your traffic! P.S. thinking of doing SEO myself as opposed to paying $700/hr for the pros to do it; if you have any experience doing both of those as well I'd love to hear