If you don't want to use a pricing tool you can do your own market research and see what your competitors charge @Paramjot0
I think you misunderstood how pricing works if you use management software and cover the guest fee you just increase your day rates proportionately to take the 15% into account.
do familiarise yourself with the Airbnb Help website it has FAQs about most
aspects of managing your STR business on Airbnb.