Hi there! I see you're having trouble opening the Weis Markets app on your iPhone with iOS 18.7. Let's get that fixed for you. To start, could you tell me if the app shows any error message when you try to open it, or does it just stay on a blank screen or crash?

While I wait for your details, here are some basic troubleshooting steps we can try:

1. Close and Reopen the App: Swipe up from the bottom of your screen to open the app switcher, then swipe the Weis Markets app away to close it completely. After that, tap the app icon to try opening it again.

2. Restart Your iPhone: Press and hold the side button and either volume button until the power off slider appears. Slide to power off, wait about 30 seconds, then turn your phone back on by holding the side button.

3. Check for App Updates: Open the App Store, tap your profile picture on the top right, scroll to see if there's an update available for Weis Markets, and install it if there is.

4. Reinstall the App: If those steps don't work, press and hold the Weis Markets app icon until the menu appears, then tap "Remove App" and confirm. Afterward, go back to the App Store and download it again.

5. Check Network Connection: Sometimes the app won't open properly if your internet is spotty. Ensure you have a solid Wi-Fi or cellular connection.

If you've already tried these, or if the app still won't open after trying them, let me know. We can then check for any account issues or explore other solutions like resetting network settings on your iPhone.

Also, if needed, I can provide contact info for Weis Markets customer service who can assist directly. Just let me know!

Are you comfortable trying these steps now?