Yes, they can. Here is the top 5 online platform, where interested people can create mobile app without coding knowledge.
Top 5 website for mobile app
Features explained[embedyt] https://www.youtube.com/watch?v=N9AcD-Pg27c[/embedyt]
Create App & Make money[embedyt] https://www.youtube.com/watch?v=BBnQMYDEfYk[/embedyt]