Thanks for letting us know! If the bug results in the app crashing (quitting when it isn't supposed to), please check out this page instead: The app crashed. What now?
Otherwise, congratulations! You're lucky enough to have found a bug in the app. If you could send us a quick message, we can investigate further.
If you're a beta tester running the app through TestFlight, there's an easier way to let us know about bugs. Learn how.
Please provide the following, if possible:
Settings
menu within the app.