A-EFIS does not communicate any information (personal or not) to us, except when you choose to register your app.
When you register your app, you are asked to share some information with us including your name, your city and country, the plane type you are flying with and the air club that you may belong to. This information, together with the version of A-EFIS you are using, your OS version and the unique identifier given by the operating system, is sent to us as plain text via email. The contents of the registration email, can be reviewed by you before pressing the "send" button.
Similarly, if you send us an email (e.g. for support or feedback) we will keep your email for future correspondence.
All the personal data you share with us, is kept in order to assess and respond to enquiries from you, offer you the best possible support and for statistical purposes. We will not share any of your personal information and we will not use your email address to spam you.