Re: [Firebase] Understanding Firebase Billing

[Guanaco Devs]

Hi SLB13

Some of the costs that you see in the Firebase console are mostly for accountability, if you want to take a look a the "Real" billing go to the Google Cloud Console https://console.cloud.google.com/ from the menu on the left(it might be colapsed) choose "Billing". To take a look at other costs that are not being reflected in the Firebase Console go to reports and there you can get a detailed view of what services are rising your costs.

For instance chances are that you are not paying for the "Cloud Functions" even though you see a cost in the Firebase Console, but if you look in the GCP Billing/Reports, you will see that you get a discount equivalent to the cost that appears in Firebase. You might need to change the filters on the right side of the screen. For a more detailed view of what are you really paying for I like to use "Group by" SERVICE or "Group by" SKU on filers panel on the right.

On Firestore reads take into account that everytime you open the Firestore Console in the web browser, as you browse through your firestore, you are accumulating reads, that could be raising your firestore reads

On Storage, check the Google Cloud Console Billing, there you will see that there are other SKU's that could cause you costs.

In the end regarding your screenshots, I believe you are paying only $0,03, Google must have sent you the last invoice

Thank You & Best Regards

Edgard Ochoa

Guanaco Devs

On Tue, Aug 31, 2021 at 8:14 PM SLB13 <luay...@gmail.com> wrote:

Hello, I have tried my best to understand Firebase's usage and billing, but I found I only got more confused. For reference, I use the following Firebase Services in the project in question:

1. Realtime Database
2. Firestore
3. Authentication
4. Cloud Functions
5. Cloud Messaging
   

A few notes, I do update the Real-time Database frequently, I as well have a simple Firebase Functions method deployed, which is triggered (iOS Notification Trigger) whenever a change happens to the Real-time Database.

With that being said, all the services are within the Free Tier threshold:

But I still get billed, not much, but on a daily basis nonetheless.

I used to empty my buckets, and that would lower the billing a little, but after a recent Firebase Functions update, it automatically clears buckets now.

Questions:

1. What actions correlate to these costs? (frequency of Firebase Functions triggers, Size of deployed methods, etc.)
2. How can I mitigate these costs?
3. Do these costs scale with more users?

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