Why we use swift for apps?

Question

1. Swift is easier to read
2. Swift is easier to maintain
3. Swift is safer
4. Swift is unified with memory management
5. Swift requires less code
6. Swift is faster
7. Fewer name collisions with open source projects
8. Swift supports dynamic libraries
9. Swift is a future you can influence

Answer 1

no we can also create from objective c

Answer 2

Also is it the only language for making apps?

Answer 3

Oh!😯