Privacy Policy

Effecttive Date: March 03, 2019

Best Tandem ("we", "us", "our", etc.) operates the mobile app (hereinafter referred to as the "Service").

This page contains information about the ways in which we collect, use and disclose personally identifiable information when you use our services and the options available to you in connection with such information.

We use your data to provide and improve our service. By using the service, you consent to the collection and use of data by us in accordance with this policy. Except as otherwise stated in this Privacy Policy, the terms used in this Privacy Policy will have the same meaning as those used in our Terms and Conditions.

Definitions of terms

  • Service

    The service is the mobile app operated by Best Tandem

  • Personal data

    Personal data is data that relates to a living person who is identifiable from that data (or from that data in combination with other information that we already have or reasonably expect to have).

  • Usage data

    Usage data is data that is automatically collected during the use of the service or within the service infrastructure itself (e.g. for the duration of a page visit).

  • Cookies

    Cookies are small files that are stored on your device (computer or mobile device).

Capturing and using data

We collect various types of data for a variety of purposes in order to improve the service we provide to you.

Types of data collected

Personal data

When using our service, we may ask you to provide certain personally identifiable information that we use to contact or identify you ("Personal Information"). For example, personally identifiable information may include (but is not limited to) the following:

  • E-Mail address
  • First name
  • Last name (Only in contact form)
  • Gender
  • Specified place of residence
  • Languages
  • Your device information
  • Last activity on the app
  • Cookies and usage data

Usage data

When you access our Service using a mobile device, we may automatically collect certain information, including, but not limited to, the type of mobile device you are using, your individual device identification, the IP address of your mobile device, your mobile operating system, the type of mobile Internet browser you are using, individual device identification characteristics, and other diagnostic data ("usage data").


These data are processed on our behalf by the Google service Firebase ( Firebase is a Google company and part of the Google Cloud Platform. We therefore transmit the data listed above to Google Firebase in the USA (Google Inc., 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA). During the transfer process, your IP address becomes known to the service. As a Google company, Firebase is subject to Google's privacy policy: The data is stored on servers in the USA. Google is certified under the EU-US Privacy Shield Agreement:

Tracking & Cookies

We use cookies and similar tracking technologies to monitor activity within our service and store certain data in this context.

Cookies are files with a small amount of data, such as anonymous unique identifiers. Cookies are sent from a website to your browser and stored on your device. The other tracking technologies we use are so-called beacons, tags and scripts and are used to collect and track data as well as to improve and analyze our service.

In the settings of your browser, you can determine whether you want to reject all cookies or only accept certain cookies. However, if you refuse to accept cookies, you may not be able to use parts of our service.

Examples of cookies used by us:

  • Session-Cookies. We use session cookies for the operation of our service.
  • Preference Cookies. We use preference cookies to store your preferences and various settings.
  • Security Cookies. We use security cookies for security purposes.

Use of data

We at Best Tandem use the collected data for various purposes, e.g. to:

  • provide and maintain our service to you;
  • to notify you of any changes to our service;
  • enable you to participate in the interactive parts of our service if you wish;
  • provide customer services;
  • Collect analysis data and other valuable data so that we can improve our service;
  • monitor the use of our service;
  • to recognize, avoid and eliminate technical problems;

Transmission of data

Your data, including personal data, may be transferred - and retained - on computers located outside your home state, province, country or jurisdiction and are therefore subject to data protection laws that are different from the data protection laws in your jurisdiction.

If you are located outside of Poland and decide to submit information to us, you must understand that we will transfer and process your information, including your personal information, in Poland.

Your consent to this privacy policy and any subsequent transmission of data by you constitutes your consent to the said transmission.

Your consent to this privacy policy and any subsequent transmission of data by you constitutes your consent to the said transmission.

Best Tandem will take all reasonable steps to ensure that your information is handled in a secure manner and in accordance with this Privacy Policy, and that your personal information is not transferred to organizations or countries that do not have adequate controls over the security of your data and other personal information.

Disclosure of data

Legal requirements

Best Tandem may disclose your personal information if it believes, in good faith, that it is necessary to do so in order to achieve the following goals:

  • for the fulfilment of a legal obligation
  • to protect and defend the rights or property of Best Tandem
  • to avoid or investigate possible misconduct in relation to the service
  • to protect the personal safety of users of the service or the public
  • for the avoidance of liability claims

Data security

The security of your data is important to us. Please remember, however, that there are no transmission methods via the Internet and no electronic storage media that are 100% secure. Although we always strive to implement commercially acceptable measures to protect your personal data, we cannot guarantee absolute security.

Service provider

We may hire third parties and individuals ("Service Providers") to provide support services to facilitate the provision of our Service, to provide services on our behalf, to provide services related to our Service or to provide support services to analyse the way in which our Service is used.

These third parties may access your personal data only to the extent necessary to perform the above tasks on our behalf and may not disclose or use it for any other purpose.


We may commission third party service providers to monitor and analyze the use of our service.

  • Google Analytics

    We use Google Analytics, a web analysis service of Google Inc. (hereinafter referred to as "Google"), for the purpose of tailoring the design of our app to your needs and continuously optimising it. In this context, pseudonymised user profiles are created and evaluated. The data collected by Google Analytics when using the app is transmitted to a Google server in the USA and stored there. The European Commission has issued an adequacy decision for the USA (EU/US Privacy Shield), under which Google is certified. This information is used to evaluate the use of the app, to compile reports on user activity and to provide other services relating to the app and internet use for market research purposes and to tailor the app to meet user needs. Under no circumstances will your IP address be merged with other Google data. The IP addresses are anonymised so that an allocation is not possible (IP masking). Further information on data protection in connection with Google Analytics can be found in the Google Analytics Help (


Our app may show ads.

  • AdMob

    The advertising partner of the apps is AdMob Google Inc. We have no influence whatsoever on the collection of personal data by AdMob Google Inc. The AdMob data Privacy Statement applies here: We use the advertising partner AdSense to display advertisements on the website.

Communications with audio and video calls

We use a third-party service called Sinch in order to enable video and audio chats between Users. Please see privacy policy from Sinch at

Links to other websites

Our service may contain links to other websites which are not operated by us. If you click on a third party link, you will be directed to that third party's website. We strongly encourage you to read the privacy policies of each and every Web site you visit.

We have no control over the content, privacy policies and practices of third party websites or services and assume no liability in this regard.

We have no control over the content, privacy policies or practices of third party websites or services and do not endorse or accept any responsibility for their content, privacy practices or practices.

Privacy of minors

Our service is not intended for persons under the age of 18 ("minors").

We do not knowingly collect personally identifiable information about minors. If you are a parent or guardian and you become aware that a minor under your supervision has provided us with personally identifiable information, please contact us. If we learn that we have collected personally identifiable information from a minor without parental consent, we will take steps to remove that information from our servers.

Changes to this Privacy Policy

We may update our privacy policy from time to time. We will notify you of any such changes by posting the updated version on this page.

We will notify you by email and/or other visible means within our Service prior to the effective date of the relevant change and update the "effective date" at the beginning of this Privacy Policy.

We recommend that you review this Privacy Policy periodically for changes. Changes to this Privacy Policy will be effective upon posting on this site.


If you have any questions about this privacy policy, you can contact us by:

  • Per e-mail:
  • By visiting the following page of our website: