Django is a framework that is used for the backend part while the Django REST is used to render the database file in JSON or XML so that frontend can understand although Django self can do this thing but Django REST has many more features also . So it is good to use Django REST.
Read moreDoes Firebase use REST API?
Firebase REST APIs allow you to make requests to the Firebase Database for reading, writing, updating, or removing data . You can define any Firebase Realtime Database URL as a REST endpoint by adding . json in the end. Keeping your data safe, you can use the Firebase REST API to send requests via an HTTPS client.
Read more