If you've ever transferred files over FTP, there's a good chance you've used FileZilla. It's been around since 2001, it's open-source, it runs on every major platform, and it's probably the first result when you search "free FTP client." For a lot of people, FileZilla is FTP.
FTPie is newer and takes a different approach. Instead of being a dedicated FTP transfer tool, it tries to be an all-in-one file manager that handles FTP, SFTP, cloud storage, and a bunch of built-in tools — all in one window. It's Windows-only and doesn't have FileZilla's two-decade track record.
So which one should you actually use? That depends on what you need. Let's look at the real differences.