Many of the european countries have their own "Pix", but there's no European-wide alternative. The ECB wants to make one (tentatively titled "digital euro"), but it's going to take a long time to come out.
My local app (MB Way, PT) can be used to send money to Spain and Italy. Others will follow.
https://www.mbway.pt/a-interoperabilidade-e-o-futuro-dos-pag... (link in portuguese)