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A first ever combination of reliability, security and savings for small business. Only from Comcast Business.
  • A first ever combination of reliability, security and savings for small business. Only from Comcast Business.
  • A first ever combination of reliability, security and savings for small business. Only from Comcast Business.
  • A first ever combination of reliability, security and savings for small business. Only from Comcast Business.
How do high-traffic apps like GoFundMe handle authentication at scale (with native mobile apps)? Build vs Buy?
u/vedantk21
How do high-traffic apps like GoFundMe handle authentication at scale (with native mobile apps)? Build vs Buy?
Authentication

I'm researching auth strategies for a consumer app (React frontend + likely native mobile) that could reach significant traffic.

Was looking at companies like GoFundMe (similar space) who handle 10M+ monthly visits, do they build their own auth systems or use third-party services?

I know they have a native mobile app, so seamless auth (no disruptive redirects, passkeys/biometrics, etc.) is important.

From what I’ve seen, many large apps use managed CIAM solutions.

Has anyone worked with or migrated to Firebase Auth, Auth0, Descope, Okta/Cognito, etc. at this scale?

What are the trade-offs in cost, customization, security, and developer experience?

Any real-world experiences or gotchas would be super helpful, esp around mobile SDKs and reducing user drop-off.

Thanks!

edit: added image