ACF is a plugin that is designed for developers that build custom themes. There are other plugins available for those that are not coders, for example Pods or the Types Toolkit. There are really very few “hooks” outside of the “the_content” where ACF fields could be inserted and without building custom HTML to contain the values saved in the fields ACF, anything that could be built would be extremely basic and limiting. It depends on what you’re looking for. If you’re not a coder and don’t have any interest in doing any coding then you’re probably not looking for something like ACF.
