There could be several reasons why your Apple Podcasts app is not working. Here are a few troubleshooting steps you can try:

1. Check your internet connection: Make sure you have a stable internet connection. If you're using mobile data, try switching to WiFi to see if that helps.

2. Update the app: Make sure your Apple Podcasts app is up to date. You can check this in the App Store under "Updates."

3. Update your device: Sometimes, an outdated operating system can cause apps to malfunction. Check if there are any updates available for your device in the "Settings" app under "General" > "Software Update."

4. Restart your device: If the app is still not working, try restarting your device. This can often fix minor software issues.

5. Reinstall the app: If none of the above steps work, you may need to delete and reinstall the Apple Podcasts app. Please note that this should be your last resort, as it may result in the loss of any downloaded episodes.

If you've tried all these steps and are still experiencing issues, you may need to contact Apple Support for further assistance.