The National Center for PTSD has produced information and resources on Post Traumatic Stress Disorder. It's PTSD Coach App (available for Android and iOS) over 460,000 times and in 115 countries world-wide.
The PTSD Coach app provides facts and information on self-help skills, based on research, that can help you learn about and better manage symptoms that often occur after trauma. "Features include:
Reliable information on PTSD and treatments that work
Tools for screening and tracking your symptoms
Convenient, easy-to-use tools to help you handle stress symptoms
Direct links to support and help
Always with you when you need it"
PTSD Coach is available as an app or desktop version, and is available in Canada in English and French.
To learn more: https://www.ptsd.va.gov/appvid/mobile/ptsdcoach_app.asp