Privacy Policy

Effective date: September 22, 2018

Center Promin ("us", "we", or "our"), a private company registered in Uniform State Register of Legal Entities, Individual Entrepreneurs and Public Associations of Ukraine under code 04872961 and having our registered office at Svitlyts'koho, 13 Street, Kyiv, Ukraine.

We operate the website and the mobile applications for Android and iOS (the "Service"). We are committed to safeguarding the privacy of the users of our Services; this policy sets out how we will treat your personal information.

We use your data to provide and improve the Service. By using the Service, you agree to the collection and use of information in accordance with this Policy. If you disagree with any provisions of this Policy, you must not use our Services.

(1) Information we collect

We may collect, store and use the following kinds of personal information.

(a) Information you provide. This includes your account information (email address and password), information about your learning preferences, and demographic information. If you subscribe to our paid Services, then we will request additional information, including your full name and payment method details.

(b) Data we gather. This includes data about your computer or mobile device, and about your visits to our website and use of our Services (including your IP address, geographical location, browser type and version, operating system, referral source, length of visit, page views, website navigation, and learning records).

(c) If you use our Services on Android device, we may collect your Android advertising identifier for user analytics purposes. We use third-party processors Appodeal, Inc. and Firebase Crashlitics by Google LLC, which may collect your Android advertising identifier in accordance with their Privacy Policy (see title 7 below).

(d) Tracking & Cookies Data

We use cookies and similar tracking technologies to track the activity on our Service and hold certain information. Cookies are files with small amount of data which may include an anonymous unique identifier. Cookies are sent to your browser from a website and stored on your device. Tracking technologies also used are beacons, tags, and scripts to collect and track information and to improve and analyze our Service. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service.

Examples of Cookies we use:

Session Cookies. We use Session Cookies to operate our Service.

Preference Cookies. We use Preference Cookies to remember your preferences and various settings.

Security Cookies. We use Security Cookies for security purposes.

If you have any questions or complaints about this policy or the ways in which we process your personal data, you can contact our Data Protection Officer by email admin @

(2) Use of Data

We collect data for various purposes:

To provide and maintain the Service

To notify you about changes to our Service

To allow you to participate in interactive features of our Service when you choose to do so

To provide customer care and support

To provide analysis or valuable information so that we can improve the Service

To monitor the usage of the Service

To detect, prevent and address technical issues

(3) Transfer of data

Your information, including Personal Data, may be transferred to — and maintained on — computers located outside of your state, province, country or other governmental jurisdiction where the data protection laws may differ than those from your jurisdiction.

If you are located outside Ukraine and choose to provide information to us, please note that we transfer the data, including Personal Data, to Ukraine and process it there. Your consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.

We will take all steps reasonably necessary to ensure that your data is treated securely and in accordance with this Privacy Policy and no transfer of your Personal Data will take place to an organization or a country unless there are adequate controls in place including the security of your data and other personal information.

(4) Disclosure of data

Legal Requirements

We do not share your personal data with third parties (except as required by law). We may disclose your personal data in the good faith belief that such action is necessary to:

To comply with a legal obligation

To protect and defend our rights or property

To prevent or investigate possible wrongdoing in connection with the Service

To protect the personal safety of users of the Service or the public

To protect against legal liability

(5) Children's privacy

Our Service does not address anyone under the age of 13 ("Children"). We do not knowingly collect personally identifiable information from anyone under the age of 13. If you are a parent or guardian and you are aware that your children has provided us with personal data, please contact us. If we become aware that we have collected personal data from children without verification of parental consent, we take steps to remove that information from our servers.

(6) Links to Other Sites

Our Service may contain links to other sites that are not operated by us. If you click on a third-party link, you will be directed to that third party's site. We strongly advise you to review the Privacy Policy of every site you visit. We have no control over and assume no responsibility for the content, privacy policies or practices of any third-party sites or services.

(7). External processors

Besides payment processing, we also use external processors to analyze the usage of our services, carry out testing of new and improved features and services, and to provide technical support to our users. The following list contains the names of such processors along with the brief descriptions of the processing they implement, and links to their privacy policies.

Apple (

iTunes Store - Application quality monitoring and automatic error reporting

Google (

Google Analytics - tracks users activities and does demographics analysis

Google Firebase Crashlytics - lightweight, realtime crash reporter that helps us track, prioritize, and fix stability issues that erode app quality.

Google Play Store - application quality monitoring and automatic error reporting

Appodeal, Inc - advertisement mediation platform (

(8) Changes to this Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. We will let you know via email and/or a prominent notice on our Service, prior to the change becoming effective and update the "effective date" at the top of this Privacy Policy. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

(9) Contact Us

If you have any questions about this Privacy Policy, please contact us via email: admin @