About
F4 is a text-based email app that provides a fast and intuitive way to manage your inbox. It offers features like customizable layout, filters, and support for multiple accounts.
Pricing
Pricing Type
Free
Free tier available
Last checked: February 20, 2026
Related Apps
Key Facts
Categories
Platforms
Linux
Company
F4
Founded
Founded in 1990
Country
Global
Language
English