Is Firebase expensive to scale?

How many Firebase Apps can I have in a Firebase project? A Firebase project is a container for Firebase Apps across Apple, Android, and web. Firebase restricts the total number of Firebase Apps within a Firebase project to 30 .

Storage in Firebase is costly and the price keeps on increasing as the app grows. Even with an efficient compression algorithm in place, you may end up paying a lot more than expected using Firebase Storage.

Firebase Realtime Database allows for 100 simultaneous connections, 1 GB stored, and 10 GB per month downloaded on the free tier. However, the Google Firebase cost on the paid tier translates to 200,000 per database, $ 5 per GB stored , and $ 1 per GB downloaded, while multiple databases per project are permitted.4 Mar 2021

You are only charged on usage past this no-cost allotment . All other Firebase Auth features are no-cost on all plans. Prices are per successful verification. On the Blaze plan, Phone Authentication provides a no-cost tier.