If you let us, we use analytics so we can figure out how to improve this app.
We use Apple platform features to protect and synchronise your data between devices. This happens automatically if you are using iCloud.
We understand that to get the most out of this app, you need to be able to trust that your data is protected, and we will always be mindful of this fact.
Don't forget that usually when an app is free, it means that YOU are the product. We'd rather charge money for new features than sell your data.