Is STRETCHIT free? If not, what is the cost?

STRETCHIT app is free to download and provides for a 7-day free trial; then it's US$19.99 for the monthly subscription, US$99.99 for the 6-month subscription, and US$159.99 for the yearly subscription (outside of the US - in local currency plus tax where applicable). If you cancel your free trial not later than 24 hours before it expires, you won't be charged. Also, there are a few free classes available to everyone without a subscription.