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cookie policy

Callstack's Cookie Policy

This Cookie Policy constitutes an attachment to the Privacy Policy, and is an integral part of it. On our website and in apps we use internet tags, such as files i.e. cookies, or local storage files, to collect and process personal data to personalize content and ads, and to analyze traffic on websites, apps and on the Internet. This technology is also used by Our Trusted Partners who also want to match ads to your preferences. By using our website and the applications you agree to our use of Cookies and other similar technologies as described in this Cookie Policy.

our cookie policy in details

What are cookies?

Cookies are IT data saved in files and stored on the User's terminal equipment, which are sent by the browser to the server each time it connects to a given device (i.e. your computer, tablet, smartphone etc.) while you visit different websites on the Internet.

Cookies usually contain the name of the website from which they come, lifetime, a unique number used to identify the browser and other necessary data. In this Policy information about Cookies applies also to other similar technologies.

Other technologies similar to Cookies

To ensure the smooth functioning of the website, we also use a technology such as Local Storage, which is used to store data saved while using services in a dedicated part of the browser's memory. Access to Local Storage data can only be obtained by the website from which data has been saved in the browser. Data in Local Storage is stored by the browser after its closing.

Why do we use Cookies or other similar technologies?

Callstack uses Cookies or other similar technologies in order to ensure:
- that Callstack’s service is faster and easier to use
- better matching the content available on our website to the expectations and interests of the User
- to collect aggregated statistics that allow us to understand how people use our services and help us improve their functionality and content.

Which Cookies do we use?

Below, we've prepared a list of cookies that we use:

They enable "remembering" the settings selected by the User; these Cookies do not collect user identifiable data - the information collected is anonymous; those type of Cookies are essential for the website to work.

Social plugins can use Cookies files of administrators of particular social networking sites.

We do not collect your personal data from Google Analytics. We do not collect demographic data, and IP addresses are shortened by Google.

Based on our legitimate interest such as marketing of own products and services, uses Facebook Pixel files to send you ads on Facebook.

Audio recordings are embedded on our website. In this regard, Cookies are only loaded when you play it.

They provide you ads corresponding to your activity on our website, your interests, habits, at the same time they limit the view of the same ad or not adapted advertising to your interests. The history of viewed pages, activity on websites, geolocation data and demographic data may be used to present ads to a specific target group. Advertising cookies also allow you to measure the effectiveness of advertising campaigns (e.g. by counting how many people clicked on a given advertisement and switched to the advertiser's website).

our cookie policy in details

Pillars of personal data protection

Pillars of personal data protection We are committed to comply with the fundamental principles of personal data protection:
Legality - we take care of the protection of personal data and process data in accordance with the law
Security - we ensure an adequate level of data security by undertaking appropriate actions
Transparency - we present all relevant information on the purposes of data collection and recipients of the collected data
Compliance and legitimacy / adequacy - we collect and process only data that is necessary to achieve the acknowledged goals data
Accountability - we document how we meet our obligations to be able to demonstrate the compliance of data processing with applicable regulations at any time
Confidentiality and integrity - we implement all reasonable technical and organizational measures to protect personal data against disclosure, loss, alteration or access of unauthorized third parties
Storage - we only store personal data for as long as it is necessary for the purpose of data processing or the provision of specific services
Individual rights - we enable individuals to exercise their rights and implement these rights


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I hereby agree for sending me by Sp. z o.o. with seat in Wrocław, by means of electronic communication to the e-mail address indicated by me, commercial information, within the meaning of the Act of 18 July 2002 on the provision of electronic services. For details see our Privacy Policy.