Apple: https://apps.apple.com/us/app/self-help-for-anxiety-management/id666767947
Google: https://play.google.com/store/apps/details?id=com.uwe.myoxygen&hl=en_US
Currently providing COVID-19 guidance in addition to typical services.
Apple: https://apps.apple.com/us/app/sanvello-for-stress-anxiety/id922968861
Google: https://play.google.com/store/apps/details?id=com.pacificalabs.pacifica&hl=en_US