Apple’s Mail app does support Gmail but the experience can be clunky at best. There are also plenty of third-party email apps out there that support Gmail, but many of them try to over-complicate matters by adding their own features. Mimestream is a new email app that tries to bridge the gap – it looks similar to Mail, but is built especially for Gmail.
Mimestream combines your favorite Gmail features with the power of a native macOS app so you can move through your email effortlessly. As a native app written in Swift, Mimestream leverages the full power of macOS to deliver a lightning-fast and instantly familiar experience. Instead of using the IMAP protocol, Mimestream utilizes the Gmail API to enable an enhanced set of features that let you work with ease