TablePlus (https://tableplus.com/) is my current goto - even has a nice iOS app for on the run queries. I have fond memories of Sequel Pro and this app scratches that itch.
$89 USD for a perpetual license for a GUI database management tool? That seems pretty cheap to me.
We used to use Sql Server Management Studio with Red Gate SQL Prompt. That auto-completion / sql refactoring tool cost $200 a year per seat, and even that was worth it.