At this stage the application stores limited private information. During registration you may have provided us with your name and e-mail address. Registration is not mandatory.

We use cookies to track website visitors for statistical purposes. This is mostly to track where our visitors come from, what kind of devices they use to access the website, which lessons are most popular and how much time visitors spend on each lesson.

For registered users

If you registered an account, we store details of the lessons you completed and your average result. Only results for fully completed lessons are stored. The pupose of this data collection is to give you a record of your progress, to show you which lessons you've already completed and to give you an indication of your overall results.

You can requst your account to be deleted at any time by contacting us.