Polymail - Native email app for email productivity.
Streaks Workout - The personal trainer that you actually want to use.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Zova - A smart personal trainer that makes it easy to move more
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
SocialBoat.live - A real life Fitness game