The answer is both. Swift can be used to build software that runs on the client (frontend) and the server (backend). Most modern iOS (and iPadOS), tvOS, macOS, and watchOS applications are written in Swift , proving that it is an excellent programming language for frontend development.
Is iOS frontend or backend?
The answer is both. Swift can be used to build software that runs on the client (frontend) and the server (backend). Most modern iOS (and iPadOS), tvOS, macOS, and watchOS applications are written in Swift , proving that it is an excellent programming language for frontend development.