Innovators of educational software.

Privacy Policies


We are a small company and we do our best to minimize any data collection in our products and on our websites. As such, we do not host any external ads or knowingly use any external analytics/tracking tools in any of our apps or websites.

We encourage you to access our websites using the https protocol (by entering https:// in front of our page names in the address bar, such as ""), to prevent any eavesdropping on your communication with our webserver, such as when you send us a message via our contact page.

Erol Studios may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes. This version of the policy is effective from April 3, 2019.

Please see the sections below for additional information about our different pages and products.

Our Main Website

This section applies to our main website at, which is the collection of pages that have only one / after the "" in the address bar.

Our main site does not use cookies. However, our User's Manual sub-sites do in some occasions, such as when you leave a message, as outlined in their own privacy policies. Please see below for the links.

User's Manual Sub-Websites

For pages of our site under, please see

Erol Singer's Studio (Software/App)

We do not knowingly collect any information while you use the app, with the following exceptions:

All other information that the app collects (such as your singing pitch, training history, etc.) is stored locally is not ever sent to us unless you explicitly send us an email (or any other form of communication) that includes such information.

Note that the information that the app stores locally may automatically be copied to your cloud account (iCloud on iOS, OneDrive on Windows 10) for your own use through the app, as supported by your operating system. See your operating system's privacy policy for more information on cloud storage and cloud backups.