Yeah, Authentication is free but;
This is the Phone Authentication prices
Free for 10k/month
Phone Auth - US, Canada, and India
$0.01/verification
Phone Auth - All other countries
$0.06/verification
2FA with the text messages is paid everywhere. If it's an absolute must for your project, then you can consider something else. But having the ability to get an auth DB with millions of users for free is mindblowing.
Firebase provides absolutely amazing free authentication for unlimited users. We use it in pretty much every project.
Yeah, Authentication is free but;
This is the Phone Authentication prices
Free for 10k/month
Phone Auth - US, Canada, and India
$0.01/verification
Phone Auth - All other countries
$0.06/verification
2FA with the text messages is paid everywhere. If it's an absolute must for your project, then you can consider something else. But having the ability to get an auth DB with millions of users for free is mindblowing.
Exactly this is Great!