Please try these steps to resolve this issue:
- Reboot your Wi-Fi router and try signing in to Grammarly again. If you're using a 3G or 4G network, please check whether you're able to access the internet using your browser.
- If you’re using a VPN and/or an antivirus app on your mobile device, temporarily turn them off.
- Go to Settings > Safari and make sure the options Prevent Cross-Site Tracking and Block All Cookies are switched off.
- Try to log in to Grammarly for iPhone and iPad from another location (office, home, etc.) where the internet service provider is different.
If you registered your Grammarly account via Apple, please also try the following:
- On your mobile device, open Settings and select your Apple account.
- Go to Password & Security > Apps Using Your Apple ID.
- Find and open Grammarly.
- Tap Stop using Apple ID.
- Open the Grammarly app and select Sign in with Apple.
If the issue persists, please take a full-screen screenshot of the problem and send it to us by submitting a request at Contact Support.
For additional guidance on how to take a screenshot, visit this page: How to take a screenshot of the issue I’m experiencing.