This issue has been resolved! Please update your Calm App to the latest version by following the steps below:
Search for the Calm App in the App Store on your iPhone.
Once you locate the app, tap the "Update" button on the right side to download the latest version. You will see the Calm icon on your phone turn grey, and a circle will appear showing the download/install progress.
Once it's complete, tap the Calm icon to be taken to the brand new app!
Our team is aware of an issue causing some users to hear overlapping audio programs in the app. We're currently working on a fix that should be implemented soon
In the meantime, you may be able to temporarily resolve the issue by force-quitting the app. Some users have also found that deleting and reinstalling the app will help as well.
In case you need it, here are instructions on how to delete an app on an iOS device: