Is firebase free of cost?

Related questions

1. Is firebase owned by Google?
2. Is firebase realtime database NoSQL?
3. What is the purpose of Firebase?
4. What is firebase storage?

Tags

1. #shows
2. #exactly
3. #cloud
4. #firebase
5. #analytics
6. #features
7. #pricing
8. #messaging
9. #google
10. #advanced
11. #charge