Hi there! I'm sorry to hear that you're having trouble with the Technogym login app on your iPhone. Let’s see if we can get this sorted out together.

Could you please provide me with some more details? Specifically, are you facing any specific error messages when trying to log in, or is the app just not recognizing your login credentials?

In the meantime, here are a few basic troubleshooting steps that might help:

1. Check for Updates: Ensure that the Technogym app is updated to the latest version. You can check this in the App Store.

2. Restart the App: Completely close the app and then reopen it. Sometimes, a fresh start can resolve minor glitches.

3. Restart Your iPhone: Simply turning your iPhone off and back on might help to reset any temporary issues with the app.

4. Check Your Internet Connection: Make sure you have a strong internet connection, as a weak signal can hinder app performance.

5. Clear App Cache (if applicable): If the app allows it, clearing the cache may help resolve any issues.

If you've already tried these steps or if the problem persists, let me know so we can dive deeper into the issue!