Are Paddle and Stripe the same?

Today I purchased a Xojo plugin. The developer uses Paddle. After the purchase I received a notification from AMEX about a STRIPE transaction. I though Paddle and Stripe were two different companies, aren’t they? Or is Stripe the payment processor of Paddle? I have attached a proof to this post where you can see the invoice, my mobile and the notification that came in. After Paddle closing my account as I explained in another post I was planning to switch to Stripe but I don’t want to waste my time again… Anybody has information about that?

Maybe paddle uses stripe as CC processor for Amex cards?