Hi! I understand you're having trouble logging into the INKHUNTER app on your iPhone running iOS 18.7, and it just stays stuck on the loading screen indefinitely. Let's try to get this sorted out together.

First, a couple of quick questions to narrow things down:
- Have you updated the INKHUNTER app to the latest version from the App Store?
- Is your internet connection stable (Wi-Fi or cellular)?
- Have you tried restarting your iPhone recently?

While you check, here’s a step-by-step approach you can take:

1. Restart the app: Swipe up from the bottom (or double press the Home button) to bring up app switcher, then swipe the INKHUNTER app off the screen to force close it. Then reopen the app.

2. Restart your iPhone: Sometimes simply restarting your device clears temporary glitches that cause the loading issue.

3. Check for app updates: Open the App Store, tap your profile icon, then scroll down to see if an update for INKHUNTER is available. If yes, update it.

4. Check your internet connection: Try switching between Wi-Fi and cellular data to see if the issue persists. A weak connection can cause infinite loading.

5. Reinstall the app: If the above doesn’t work, press and hold the INKHUNTER app icon and select “Remove App,” then reinstall it from the App Store. This refreshes the app installation and can clear corrupted files.

6. iOS update: Although you’re on iOS 18.7, just double-check in Settings > General > Software Update that you have the latest minor update installed.

7. Clear app cache (if option available): While iOS apps don’t often have manual cache clearing like Android, reinstalling the app essentially clears its stored data.

If after all this it’s still stuck on loading, there may be a server-side issue or a bug triggered by the recent app or iOS update. In that case, I can help you escalate to INKHUNTER’s support team.

Let me know which steps you have tried so far, and we can continue from there!