There are cards without commissions abroad, but these are not usually the ones given by traditional banks such as ING, Banco Santander or BBVA, with commissions of between 3 and 5% plus other costs for paying in another currency or withdrawing money of ATMs.
Neobanks are financial technology or fintech firms that offer financial services only online and do not have physical branches. These entities appeal to tech-savvy consumers who don't mind managing most of their money through a mobile app.