What makes a real app work?
1) Users can sign up, log in, log out (auth)
2) Data is saved safely (database)
3) People can pay you (payments)
4) Emails & notifications keep them engaged
5) The app is fast, looks good, works on any device (frontend)
6) Handles logic & tasks behind the scenes (backend)
7) Tracks usage to learn and improve (analytics)
8) Protected against hacks & errors (security)
This is the difference between a side project and a real business.
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