Profile is misspelled in: "go to Profie > More Options"
- "Is trial fully functional?" -> "Is the trial fully functional?"
- "it's only $5/month with 14 days trial period." -> "it's only $5/month with a 14 day trial period."
- "install the app on unlimited number of devices." -> "install the app on an unlimited number of devices."
Those are just a few minor ones - it may be worth proof-reading the rest of your copy more thoroughly, given that I noticed those in <30 seconds.
Good luck!