Your privacy is our priority. This document describes what information is collected and how we use it.
1. Personal Data
The NNS Trainer app does not require login or registration. We do not collect, store, or process any direct personal data from our users.
2. LocalStorage Technology
To ensure a great user experience (UX), the app uses LocalStorage technology. This is used to save your preferences (selected keys, notation system, chosen scale degrees) and your scores directly on your device. This data is not sent to our servers and can be removed at any time by clearing your browser data.
3. Cookies and Advertising (Google AdSense)
We use Google AdSense to display ads. Google uses cookies to personalize ads based on your previous visits to this and other websites.
Users may opt out of personalized advertising by visiting the Google Ads Settings.
4. Analytics (Google Analytics)
We use Google Analytics to analyze traffic and improve the app's functionality. This service collects anonymous information such as the number of visits, country of origin, and device type.