Is firebase free to use?

Related questions

1. What is the use of Google firebase?
2. Why do we need firebase?
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4. What is realtime database firebase?
5. What is Google firebase used for?
6. Is NoSQL a firebase?
7. Does firebase use Websockets?
8. What is firebase API?
9. What is firebase and how it works?
10. What is the benefit of Firebase?

Tags

1. #dynamic
2. #reporting
3. #spark
4. #config
5. #unlimited
6. #invites
7. #products
8. #these
9. #firebase
10. #remote
11. #authentication
12. #notifications
13. #links
14. #amount
15. #indexing
16. #including
17. #analytics
18. #plans
19. #crash