Fear not, for basic iPhone charging most USB-C cables will be fine. But some are finer than others. Macs use Thunderbolt cables that have the same Type-C connector as USB-C so look the same but ...
There are simple magnetic wireless chargers, multi-device chargers for iPhone, Apple Watch and AirPods, travel chargers, car chargers and ... Lightning or USB-C cable, however, and if you are ...