Quickly does not connect to the internet.
If you choose to use the Reminders app integration, and if the list that you save reminders to is connected to an internet account, the data saved to that account may be subject to the privacy policy of the provider of that account (such as iCloud or Google).
Quickly itself does not send any personal information over the internet.
The only time in which Quickly makes an internet connection is to retrieve an up-to-date list of features to show before purchasing the in-app purchase. In this case, some metadata is automatically provided and sent by the networking stack, such as IP address, current date and OS version.
If you choose to use the Reminders app integration, and if the list that you save reminders to is connected to an internet account, the data saved to that account may be subject to the privacy policy of the provider of that account (such as iCloud or Google).