Prompt
What should I use for Google and Apple sign-in on mobile?
Latest observation
For mobile apps, the best practice is:
- Google Sign-In: use Google Identity Services / Google Sign-In SDK
- Apple Sign In: use Sign in with Apple
- If you want one abstraction across both, use a backend auth provider like Firebase Auth, Auth0, Supabase Auth, or AWS Cognito
Recommended approach
If you’re building native mobile apps
- iOS: use Sign in with Apple SDK
- Android: use Google Sign-In / Google Identity Services
- Send the resulting ID token / auth code to your backend for verification
If you want to support both easily
Use an auth platform:
- Firebase Authentication — very common for mobile
- Auth0 — flexible, enterprise-friendly
- Supabase Auth — simpler, open-source leaning
- Cognito — if you're in AWS
Important notes
- Apple requires apps that offer third-party social login to also offer Sign in with Apple.
- For Google, prefer token-based sign-in and verify tokens on your server.
- Don’t rely on the client alone for authentication decisions.
Simple recommendation
- Small/medium app: Firebase Auth with Google + Apple providers
- Custom backend / more control: use Google Sign-In + Sign in with Apple directly, then verify on your server
If you tell me your stack like React Native, Flutter, Swift, Kotlin, or Expo, I can suggest the exact library to use.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as Circuit. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
Want this interpreted for your brand?
Explorer is the free public corpus. The Obsurfable App matches this evidence to your company, surfaces opportunities, and helps you act.