How they compare
On both you subscribe to creators, buy pay-per-view posts and tip.
OnlyFans is by far the biggest: almost every creator is there, with messaging and custom content. Discovery is poor, so you need to know who to follow, and costs add up across creators.
4based launched in 2020 and offers creators a bigger revenue share, and accepts crypto as well as cards. Its audience is smaller, with fewer big-name creators.