Recharge (Recharge Inc., Santa Monica, USA) is widely used for subscriptions and recurring payments. These Shopify apps come from providers based in Europe. What I could document about privacy and hosting is on each detail page.
Ljubljana, Slovenia
Subscriptions, memberships and recurring payments through the Shopify checkout.
For subscriptions and recurring payments, the directory lists this app from European providers: Seal Subscriptions. I checked each provider's location against a source.
No. A European headquarters does not mean all data stays in the EU. Each detail page says what I could document about the DPA, hosting and subprocessors, and what is still open.
Recharge is made by Recharge Inc., Santa Monica, USA.