7 Apps to Help Calm Individuals with Autism, Anxiety, Other Special Needs:

Apps for relaxation techniques: Chill Outz®,  Smiling Mind, Headspace: Guided Meditation and Mindfulness , https://www.happify.com/ and https://www.calm.com/.

An app about coping with anxiety: MindShift

Calming sounds and yoga: Super Stretch Yoga HD, Enchanted Meditations for Kids 1 and Relax Melodies.

Please refer to this site for more information. https://www.eastersealstech.com/2017/04/19/chill-outz-relaxation-techniques-children/