Hi! I understand that your Foodpanda app on your iPhone opens and then immediately closes, and you've already tried restarting your phone. Let's get this sorted out together.

To start, could you please tell me:
- Have you recently updated the Foodpanda app or your iOS version before this issue started?
- Do you see any error messages or does the app just close on its own right after opening?
- Are you connected to Wi-Fi or mobile data when this happens?

In the meantime, here are some steps we can try to fix the app crashing issue:

1. Force close the app and reopen:
- Swipe up from the bottom of your screen and hold to open the app switcher.
- Find the Foodpanda app and swipe it up to close it fully.
- Then, try opening the app again.

2. Clear app cache and data (via app reinstall):
- Since iOS does not allow clearing cache directly, deleting and reinstalling the app will refresh all app data.
- Press and hold the Foodpanda app icon, tap "Remove App," then choose "Delete App."
- After that, go to the App Store, search for Foodpanda, and reinstall it.

3. Check for app updates:
- Open the App Store, tap your profile icon on the top right, scroll down, and see if there's an update available for Foodpanda.
- If yes, update to the latest version.

4. Check your device’s storage:
- Sometimes if storage is almost full, apps may misbehave. Go to Settings > General > iPhone Storage and see if you have enough free space.

5. Network connection:
- Make sure you have a stable internet connection. Try switching between Wi-Fi and cellular data to see if the problem persists.

If after these steps it still crashes immediately, there may be a deeper issue like a compatibility bug or account-related problem. In that case, I might suggest contacting foodpanda support directly via [email protected] for more tailored assistance.

Would you like me to guide you step-by-step through any of these, or do you have more info based on my questions?