Box Breathing - Breathe in sync with this to calm yourself down

JEFIT - Jefit is the #1 popular gym workout app for Android and iOS. Jefit allows you to manage your training routine and keep track of your workout progress easily.

Othership - Othership offers 500+ music-driven guided breathwork classes to lift you up and ground you down: kickstart your day, cultivate focus, fight fatigue, sleep deeper, regulate your emotions, and learn the science-backed how + why of breathing mechanics.

MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.

Breathe2Relax - Breathing exercises to practice diaphragmatic breathing.

Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.