I don't think it's a language thing so much as dedicated "hire shops" not being much of a thing in the US outside of certain touristy areas. Even then, they tend to be really low-budget operations that rely on foot traffic or hotel partnerships.
Maybe it doesn’t need ‘updating’, because British English isn’t a deprecated anachronism that needs to be patched and brought up to date, thank you very much.
I need to change the tag line to make it clearer internationally, and the product name because, as someone has pointed out, it’s actually already taken