Nikita Gudkovs built the OPEN app as a Freemium app. This SERVICE is provided by Nikita Gudkovs at no cost and is intended for use as is.

This page is used to inform app users regarding my policies with the collection, use, and disclosure of Personal Information if anyone decided to use my Service.

If you choose to use my Service, then you agree to the collection and use of information in relation to this policy. The Personal Information that I collect is used for providing and improving the Service. I will not use or share your information with anyone except as described in this Privacy Policy.

Information Collection and Use

For a better experience, while using our Service, I may require you to provide us with certain personally identifiable information. This information is not shared with third parties for commercial purposes. All information about users and clients is stored on our servers and is only accessible by Open developers and respective users.

The app does use third party services that may collect information used to identify you.

Link to privacy policy of third party service providers used by the app

Payment processing

All payments between the users are processed by Stripe.

We don't store credit card data on our servers. We store referential tokens to communicate with Stripe servers.

In terms of payments Service only acts as a medium between  users. Service is not responsible for reimbursements and conflict resolution. If any party finds performed transaction faulty or misleading they must contact Service provider at for assistance, but final resolution must be settled between involved parties.

Users that offer purchases via Service are responsible for all provided data accuracy and consistency.

Log Data

I want to inform you that whenever you use my Service, in a case of an error in the app I collect data and information (through third party products and internal solutions) on your device called Log Data. This Log Data may include information such as your device Internet Protocol (“IP”) address, device name, operating system version, the configuration of the app when utilizing my Service, the time and date of your use of the Service, and other statistics.


Cookies are files with a small amount of data that are commonly used as anonymous unique identifiers. These are sent to your browser from the websites that you visit and are stored on your device's internal memory.

This Service does not use these “cookies” explicitly. However, the app may use third party code and libraries that use “cookies” to collect information and improve their services. You have the option to either accept or refuse these cookies and know when a cookie is being sent to your device. If you choose to refuse our cookies, you may not be able to use some portions of this Service.

Service Providers

I may employ third-party companies and individuals due to the following reasons:

I want to inform users of this Service that these third parties have access to your Personal Information. The reason is to perform the tasks assigned to them on our behalf. However, they are obligated not to disclose or use the information for any other purpose.


I value your trust in providing us your Personal Information, thus we are striving to use commercially acceptable means of protecting it. But remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, and I cannot guarantee its absolute security.

Graphic information upload (Logo, background image, photos)

Logo and background image requirements: Size minimum 400x400px (logo), 1200x600px (background image). The image must include graphic information unique to your business and not contain any unnecessary information (fields, blank spaces). The image should not contain extremist elements or calls to violence. Copyright to the image must belong to you or be in public domain. The background image is intended to give your clients a first impression of your business. The logo of your business must be different from the background image. Photos must be uploaded with the permission of the people depicted. Photos of children under 16 years of age are not allowed to upload. If you do not follow the upload conditions, your business account may be deactivated.

Links to Other Sites

This Service may contain links to other sites. If you click on a third-party link, you will be directed to that site. Note that these external sites are not operated by me. Therefore, I strongly advise you to review the Privacy Policy of these websites. I have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services.

Children’s Privacy

The Service is not directed or targeted at children under the age of sixteen 16, and we request that they do not provide Personal Information through the Service.

Changes to This Privacy Policy

I may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. I will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately after they are posted on this page.


We offer several forms of subscriptions. Mobile subscriptions can be cancelled through the App Store or Google Play. Web subscriptions can be cancelled through the web Service. Subscription plans may change over time.

We offer a free of charge trial period. Each user is allowed to enrol into one trial period only.

Errors and bugs

If you've encountered a bug or an error in the app, please report it immediately to us.  Nikita Gudkovs and other app developers take no responsibility for financial losses caused by the usage of the app.


We may send emails to our users regarding Service. You can unsubscribe from these emails by replying to them with the word "Unsubscribe".

Information we collect

We collect and store information on businesses and clients in order to provide our service.

We store following information on our servers:


We inform you that the personal data that you submit during the use of the Service is included in a file under our responsibility, in order to provide the requested service. The data will be kept as long as the commercial relationship is maintained or for the years necessary to comply with legal obligations. The data will not be transferred to third parties except in cases where there is a legal obligation. You have the right to access your personal data, rectify inaccurate data or request its deletion when the data are no longer necessary (Regulation (EU) 2016/679).

Account data deletion

In order to get your account data deleted navigate to the Settings, scroll down to the Bottom and click on Delete account button. This will trigger instant account deletion and all data associated with the account (your name, email address, address, phone number, payment method data and injury data) will be deleted from the OPEN servers. Business that you might have been attending classes of will still have your student record.

Contact Us

If you have any questions or suggestions about my Privacy Policy, do not hesitate to contact us at