Hi! I see you mentioned the Ten Ten app is "not working." I'd love to help you get it back up and running. To assist you best, could you tell me a bit more about the problem? For instance, is the app not opening at all, are you having trouble with connecting or logging in, or is there some other issue?

Meanwhile, I can start by suggesting some common steps for the Ten Ten app on your iPhone with iOS 18.7:

1. Check Your Internet Connection: Make sure your iPhone is connected to a stable Wi-Fi or cellular network.

2. Restart the App: Swipe up from the bottom and pause to open the app switcher, then swipe the Ten Ten app off the screen to close it. Reopen it afterward.

3. Update the App: Go to the App Store, tap your profile icon at the top right, and see if an update is available for Ten Ten. Installing the latest version can fix many issues.

4. Restart Your Phone: Hold the power button to turn off your iPhone, then turn it back on.

5. Reinstall the App: Press and hold the Ten Ten app icon, select ‘Delete App,’ then reinstall it from the App Store. This can clear cached data or corrupted files.

6. Check App Permissions: Go to Settings > Ten Ten and make sure necessary permissions (like microphone and notifications) are enabled.

Let me know which of these you've tried or if you notice any specific error messages or behaviors. That will help me guide you further! Also, if you want, I can share a helpful video guide with step-by-step fixes for the Ten Ten app.

Are you able to tell me a bit more about the issue you’re experiencing?