[deaux]

It has lots of competitors. They bought out LemonSqueezy exactly because it was a competitor that quickly gained a lot of mindshare.

Polar.sh is another one.

The thing you're talking about with Paddle is just checking you're not selling offline, physical stuff.

[NetOpWibby]

Last I checked, Polar was using Stripe under the hood.

EDIT: Yup. Via their pricing page:

   Polar is currently built on Stripe, and we cover their 2.9% + 30¢ fee from ours. However, they impose a few additional fees for certain transactions that we need to pass on.