Hi there! I see you're having an issue where the UNiDAYS app on your iPhone opens but just stays stuck on the main logo screen. Let's work through this together to get it sorted out.

First, can I ask if you've already tried any steps like closing the app completely or restarting your phone? Also, do you happen to have a stable internet connection when this happens?

Meanwhile, here are some common, effective steps you can try to fix the app being stuck on the logo screen on iOS 18.7:

1. Force close the app and reopen it: Swipe up from the bottom of your screen (or double press the Home button if you have one) to open the app switcher, then swipe the UNiDAYS app off the screen to close it fully. Then try opening it again.

2. Restart your iPhone: Press and hold the power button and either volume button, then slide to power off. After your iPhone shuts down, turn it back on and launch the app again.

3. Check your internet connection: Make sure you are connected to Wi-Fi or have a strong cellular data signal, as this app needs internet to load.

4. Update the app: Go to the App Store, search for UNiDAYS, and if an update is available, tap Update. Sometimes stuck screens happen due to bugs fixed in new versions.

5. Uninstall and reinstall the app: Press and hold the UNiDAYS app icon, select "Remove App," then confirm. After that, go back to the App Store and reinstall it fresh. This often clears up any corrupted data causing the freeze.

If you've done all of the above and it's still stuck, there could be some account-specific or server-side issues. In that case, contacting UNiDAYS support directly at [email protected] might be the next best step.

Please try these and let me know how it goes! Are you satisfied with the solution I provided so far?