Verify the app developer
Before signing in, confirm the app is the official ChatGPT app from OpenAI. Avoid lookalike apps and subscription traps.
ChatGPT login help
ChatGPT login on iPhone and Android.
On mobile, the safest path is the official ChatGPT app from the App Store or Google Play, or the official website chatgpt.com in your browser.
This page never collects passwords. Use it as a checklist, then sign in only on official domains.
Intent
What this page solves.
User wants mobile login help.
Use the same sign-in method
If you use Google, Apple, Microsoft, or email on desktop, use the same method on mobile.
Update app and browser
Outdated app versions, old browser webviews, or blocked cookies can break login.
Try browser if app fails
Open chatgpt.com in Safari or Chrome. If browser works but app fails, reinstall or update the app.
Diagnosis table
Symptom, likely cause, first fix.
App login stuckOld app, cache, device auth issueUpdate app, restart phone, reinstall if needed.
Website works, app failsApp-specific issueUse browser temporarily and update app.
Fake app subscriptionLookalike appCancel through Apple/Google billing and use official OpenAI app.
Related login guides
More specific ChatGPT login pages.
ChatGPT Login Not WorkingFix ChatGPT login problems: login loop, cookies, VPN, browser extensions, auth.openai.com, blocked accounts and outage checks.ChatGPT Password ResetHow to reset a ChatGPT password safely, when password reset does not work, and why Google/Apple/Microsoft accounts behave differently.ChatGPT Login With GoogleUse Continue with Google for ChatGPT, fix wrong Google account issues, and understand why email/password may not work.ChatGPT Login With AppleFix ChatGPT Continue with Apple issues, hidden email confusion, Apple relay addresses, and account mismatch problems.ChatGPT Login With MicrosoftHelp for ChatGPT Continue with Microsoft login, work accounts, personal Microsoft accounts, and organization restrictions.ChatGPT Login LoopFix the ChatGPT login loop where the page keeps sending you back to sign in after authentication.auth.openai.com and ChatGPT LoginWhat auth.openai.com is, why ChatGPT redirects there, and how to tell official OpenAI authentication from fake login pages.Fake ChatGPT Login PagesHow to spot fake ChatGPT login pages, phishing ads, fake apps, password traps and unsafe AI login shortcuts.
FAQ
Questions about this login issue.
Is the mobile app required?
No. You can also use chatgpt.com in a mobile browser.
How do I avoid fake ChatGPT apps?
Check the developer name, reviews, permissions, and use links from official OpenAI pages.