Mailplane 5
Mailplane 5 for Apple silicon and Intel Macs is in development.
Mailplane 4
Mailplane 4 remains available to existing license holders. It is no longer available for purchase and is not receiving major new features. Mailplane 4 runs on macOS 27. On Apple silicon Macs, macOS will offer to install Rosetta if needed. The installation takes only a few seconds. Read our update.
macOS Sierra (10.12) through macOS 27
Mailplane 3
Was in service between 2013 and 2018. Be warned that we don't actively sell and develop it anymore.
OS X Yosemite or higher (10.10+)
OS X Mavericks (10.9)
OS X Mountain Lion (10.8)
OS X Lion (10.7)
Mailplane 2
Was in service between 2008 and 2013. Be warned that we don't actively sell and develop it anymore.
OS X Lion or higher (10.7+)
OS X Snow Leopard (10.6)
OS X Leopard (10.5)
OS X Tiger (10.4)