Clear Fear is a free app developed for teenage mental health and uses the evidence-based treatment CBT to focus on learning to reduce the physical responses to threat by learning to breathe, relax and be mindful as well as changing thoughts and behaviors and releasing emotions.

https://www.clearfear.co.uk/

Smiling Mind is a free app developed to assist people with pressure, stress, and challenges of daily life. They have programs for people 7 years old to adults.

https://www.smilingmind.com.au/

This is a free resource app for you to share with elementary children to help teach skills such as problem solving, self-control, planning, and task persistence.

https://apps.apple.com/us/app/breathe-think-do-with-sesame/id721853597