- Terms and Conditions

We have selected important points that could be interesting for you:

  • After the registration, the brain training is free of charge for you for 7 days – there are no obligations and no fees.
  • After the expiration of the trial version you decide, if you want to continue with the training. The price list is available here:
  • The payment is possible via bank transfer, online payment or card. Do not worry, your account is immediately activated for the chosen period of time
  1. Introductory provisions
    1. Non-profit organization Mentem - brain training, z.s., with the seat at Šimáčkova 674/137, Líšeň, 628 00 Brno, IČ 03514161, registered in the Commercial Register maintained by the Regional Court in Brno, Section L, Insertion 20119 (hereinafter „Provider“) is the exclusive provider of the service called Mentem (hereinafter „ Service“ or just „Service“).
    2. The relationship between the Provider and the users of Mentem (hereinafter „Users“ or „User“) is governed by these Terms and Conditions (hereinafter „Conditions“).
  2. Definition of terms
    1. Mentem is an online web server that offers human cognitive functions training in order to improve features such as memory, attention, speed, spatial orientation and thinking.
    2. Training game is a tailor-made application, which may improve human cognitive functions if regularly used.
    3. Provider is a non-profit organization Mentem - brain training, z.s., with the seat at Šimáčkova 674/137, Líšeň, 628 00 Brno, IČ 03514161, registered in the Commercial Register maintained by the Regional Court in Brno, Section L, Insertion 20119
    4. User is any person using Mentem, either as a registered user or a user in the trial regime.
    5. Web page of the Provider is
    6. Price list determines prices of the Mentem service and other additional fees. The current price list is available on the provider's webpage (
  3. Registration
    1. For using the Service a registration is required by filling out the form on the Provider’s webpage (hereinafter „Registration“). Even in case that Registration is not required for use of the Service, the use of the Service is governed by these Terms and Conditions. In this case, the User is also required to become acquainted with the Terms and Conditions and by starting to use the Service he / she confirms accepting them. If the User disagrees with these Terms, he / she is required to refrain from using the Service.
    2. Registration form. In order to register, the registration form available on (including a detailed description of the process) is to be filled out and sent.
    3. Registration data. When Registering, the User is required to provide correct and complete data of his or her person which are marked as mandatory (hereinafter "Mandatory Personal Data"). Without providing Mandatory Personal Data, registration cannot be completed and the use of the Mentem service is not possible. The Provider is entitled at any time in the future to change the extent of Mandatory Personal Data in connection with providing the Services and to require additional data of the User. Other data is provided by the User voluntarily. The User may add, modify, or edit the provided data at any time. The user understands that some of the data provided is personal data within the meaning of Act No. 101/2000 Coll. on the protection of personal data.
    4. The Acceptance of the Conditions. Before completion of the Registration, the User is required to get acquainted with these Terms and Conditions. Acceptance of these Terms and Conditions is the necessary condition for completion of the Registration and for using Mentem Service. User gives the permission by marking the checkbox „I accept the terms and conditions“, which is placed in the registration form.
    5. Completing the registration. Contractual relationship between the User and the Provider that is governed by these Conditions is established at the moment the Registration is done (ie by receiving the confirmation of a successful completion of the Registration). To avoid any doubts, both sides declare that by registration the User agrees to these Terms and Conditions, expressly accepts all of their provisions and undertakes to abide by the rules set forth therein. By completing the Registration, the User undertakes to pay the prices and fees for the Service according to the valid Price List.
    6. Activation. 6. Activation. The Training of the cognitive functions is available to the User for free for 7 days. The continuing of the Service will be activated after receiving the payment for the Service (for the accurate amount of time, after that it can be prolonged after receiving of another registration payment according to the valid price list at User can cancel his / her training for free after the trial period of 7 days. After the trial period he or she can decide whether he or she wants to continue with the paid service.
    7. User account. By completing the Registration the User account is established, the access is granted by entering user name and password (hereinafter „Login details“). Customer is required not to share the Login details with anyone else and protect them against any misuse. One User account must not be used by more than one User.
  4. Establishing, duration and termination of the Contract
    1. The contract can be electronically concluded via the Provider’s web form. The contract enters into force on the day of its acceptance by the Contracting Parties, i.e. by the confirmation of the web registration form by the Provider.
    2. The user can delete his / her account in the Profile Settings. This account will be completely deleted in 24 hours.
    3. The Provider may terminate the Agreement with immediate effect, i.e. cancel the User account:
      1. in case of violation of the Terms by the User;
      2. in case of a grounded suspicion that the User abuses the Service or uses the Service contrary to binding legal regulations or to accepted principles of morality;
      3. if the User allows other people to use his / her account;
      4. when in the course of establishing or modifying the Service, it is revealed that the Service cannot be established because of objective reasons (technical reasons) or when establishing the Service or modifying it, the User does not cooperate sufficiently or while providing the Service it will occur that it is not possible to provide the Service in compliance with the contract.
    4. In case that the Contract will be terminated by the User deleting his / her User account, the User is not entitled to a refund of of any of the fees paid for the use of the Service. Similarly, the User is not entitled to the refund of the fees paid in the event of termination of the Contract, if the User terminated the Contract (Article 4.3 of these Terms and Conditions)
    5. If the Contract is terminated by the Provider, the Provider is obliged to return paid fees to the User for the Service for the number of days remaining till the end of the period paid by the User.
    6. In accordance with Section 1829 (1) of the Civil Code, the user has the right to withdraw from the Contract within 14 (fourteen) days of its conclusion. Notice must be sent to the Provider within the time limit specified in the previous sentence. The withdrawal may be sent by the User to, inter alia, the Provider 's address. In case of the withdrawal, the contract is canceled backwards since its beginning.
    7. The User expressly requests the Provider to enter into the obligation before the expiry of the withdrawal period, so that before the expiry of the withdrawal period, the Service will be available to the User. The User acknowledges that in the event of termination the User is not entitled to a refund of the fee for the period when the Service was available for use.
    8. In the event of withdrawal from the Contract, the Provider shall refund the funds received from the User within fourteen (14) days of withdrawal from the Contract, in the same manner as the Seller has received from the Purchaser, except for the funds referred to in the preceding paragraph.
  5. Payment Terms
    1. The Services provided by the Provider are paid. The amount of fees is published on the Provider's website. The Provider is entitled to change the fees.
    2. The user is entitled to 7 days of free use of the training system, if newly registered. Multiple registrations for one user are not allowed. If the Provider discovers this violation of the Terms and Conditions, the Provider is entitled to immediately ban the account without delay, as well as access from the given IP address.
    3. After a free trial period of 7 days, the User has the possibility to terminate the service free of charge and not paying the paid version. The User has full right to do so and he has no obligation towards the Provider.
    4. In the event that the period for which the User has paid runs out and the User does not pay for a further period, the Service will be automatically deactivated by the Provider, and can be reactivated by paying the fee for the next period.
  6. Rights and obligations
    1. User Statement. The User declares and warrants to the Provider that:
      1. he / she is fully legally competent;
      2. the User’s legal capacity has not been limited to the extent not allowing him to declare his agreement with these Terms and to use the Service;
      3. all the information provided by the User during the Registration is true, complete, accurate and correct;
      4. the use of the Service by the User under the conditions stipulated in these Terms and Conditions does not violate applicable laws;
      5. before starting using the Service, the User has become fully aware of these Terms and Conditions and the User fully understands and agrees with them.
    2. General obligations of the User. The User undertakes, without prejudice to other provisions of these Terms, that:
      1. the User will not download, copy or otherwise handle data, information and training games placed on the web site of the Provider;
      2. the User will not share his / her account with another person nor will assign his rights to User Account to anyone else;
      3. the User will not publish texts, articles or other materials on the Provider’s webpage without the Provider’s written consent and without quoting source of these materials;
      4. the User will not complete the Registration if its implementation by the User would violate applicable laws;
      5. the User will use the Service only for the purpose for which it is intended and will not misuse it;
      6. the User will not use (or attempt to use) any interface other than the interface provided, approved by the Provider;
      7. the User will ensure the confidentiality of identification data and password that are necessary for login and access to the Service, including no disclosure to third parties of such identification data and passwords;
      8. If the User finds out about the misuse of his / her own identification data and passwords by any third party, the User will immediately notify the Provider;
      9. the User will not undertake anything, that could disrupt or damage the Service;
      10. the User will pay for the Service properly and without delay.
    3. Provider is entitled to:
      1. require an evidence of the applicant’s data necessary for the conclusion of the Agreement;
      2. unilaterally change these Terms;
      3. change Mentem training programs anytime (training processes, games, types of training and more);
      4. prevent or restrict the User from using the Service with immediate effect in the event of the User’s breach of these conditions;
      5. restrict, to the extent necessary, the User from the Service temporarily, if the Provider, the User or a third party could be harmed, in particular as a result of illegal third party activities, hackers, etc., and unless this can be avoided otherwise;
      6. not to set up the Service or to make a change to the Service requested by the User in cases where the User violates the Terms.
    4. The Provider undertakes:
      1. to provide the Service to the User, for the agreed price and under the terms and conditions stipulated by the Agreement and these Terms and Conditions;
      2. to allow the User to become familiar with the valid Terms of Service;
      3. to inform the User about substantial changes to the Terms and Conditions;
      4. to immediately remove any defects in the provision of the Services that are on the Provider’s side;
      5. to maintain his technical equipment and technical infrastructure for electronic communications in such technical and operational conditions that the Service is provided in accordance with the terms and conditions set forth in the Contract and the relevant legislation;
      6. to inform the User of any limitations, interruptions, alterations, or irregularities in the provision of the Services that are known to the Provider in advance;
      7. not to interfere with the User's data except for the necessary technical repairs and maintenance
  7. Copyright
    1. Users are not permitted to use any materials posted on the Providers's Website in any other way than for the purpose of using the Service under these Terms and Conditions. In particular, users are not authorized to make copies and distribute, publish, or otherwise transmit the content unless they previously received written consent from the Provider. Users are not allowed to publish, transmit, forward and transfer the content of the Provider's Website. This prohibition covers all texts, audio clips, videos, images, applications, and other content available to the User on the Provider's website.
    2. The User acknowledges and agrees that the materials available on the Mentem Website are protected by copyright and other intellectual property rights and laws. Apart from exceptions expressly provided by the Provider, the User agrees not to sell, grant, lend, modify, distribute, duplicate, reproduce, mediate, publish, implement, modify, edit or create any derivatives based on such materials. All authorizations based on copyright are reserved.
  8. Privacy and data protection
    1. Protection of personal data of the User, who is a natural person, is provided by Act No. 101/2000 Coll., On the Protection of Personal Data, as amended (hereinafter referred to as "APPD").
    2. In accordance with Article 3.3 of the Terms, the Provider requires mandatory personal data in the Registration. User may voluntarily disclose additional optional information to the Provider. The Provider does not require or will not require any sensitive data from the User. If the User provides any sensitive data within the Services, he / she does so on a discretionary basis. The User confirms that the provided personal data is accurate and that he has been informed that this is a voluntary provision of personal data.
    3. By performing the Registration, the User grants the consent, in accordance with the APPD, for the processing of his Personal Data provided in accordance with these General Terms and Conditions by the Provider in order to identify the User when using the Provider's Service. The User grants the Provider this consent to the processing of his personal data for the duration of the Agreement. If the User does not choose another option, he agrees to the processing of personal data by the Seller also for the purpose of sending information and commercial communications. The Consent to the processing of personal data in its entirety pursuant to this Article is not a condition that would in itself prevent the conclusion of the Agreement.
    4. The participant is entitled to reject or withdraw his / her consent to the processing of Personal Data, being subject to the consent, anytime by submitting his / her withdrawal or rejection in writing to the Provider's address.
    5. The User has the right to ask the Provider at any time for information about the processing of his /her Personal Data. In such case, the Provider shall provide the User information within the scope established by the APPD. If the User considers that the Provider processes his or her Personal Data in violation of the APPD, he / she has the right to ask the Provider for an explanation or to require the Provider to remedy the situation thus created. In particular, it may be blocking, repairing, adding or deleting personal information. The User is also entitled to contact the Office for Personal Data Protection with his or her complaint.
    6. The parties undertake not to disclose and not to provide any commercial information and data to third parties they have obtained while using the Service and could harm any of the parties.
    7. The User gives the Provider consent to publish basic User Data to the extent necessary for the promotion of the Service.
  9. Liability for Damage and Other Arrangements
    1. The Provider is not liable for any damage caused by the loss or damage of the stored data or the temporary interruption of the Service, if the loss, data damage or temporary interruption was not caused by Provider or if the temporary interruption of the Service has been done for legal reasons or for the reasons stated in these Terms.
    2. Provider did not cause any damages (specified in the previous paragraph), if they were caused by third parties, such as hackers, other Users or subjects (Provider of electric energy). Also, Provider did not cause any damages (according to article 9.1. of Conditions), if caused by force majeure, especially because of natural disasters, coups or other objective causes independent of the Provider and unexpected.
    3. The Provider is obliged to make the maximum possible effort to prevent the situations and consequences referred to in Article 8.2. Terms and Conditions.
    4. The Provider is not responsible for any breakdown of the server shorter than 24 hours. In the event of a longer downtime and the related inability to use the Service, the User has the right to be refunded a proportion of the paid fees for the time the Service was unavailable.
    5. The User acknowledges that the project and its training programs are scientifically supported, but the Provider does not guarantee accurate results, specific improvements or other advancements in the personal development of the User in any way. The user is not entitled to any compensation or refund of the fees if the use of is not accompanied by specific demonstrable positive results.
  10. Final Provisions
    1. The Provider is entitled to change the Terms and Conditions and all their provisions. He is required to notify the change to the User on his website or by sending an email to the User at least one month before the effective date of the new Terms and Conditions. If the User does not agree with the new Terms, the User is entitled to terminate the Contract without penalty and with notice period of one month from the date of delivery of the notice to the Provider. The Provider must bebe notified about the fact in writing within 20 days from the date of publication of the new Terms and Conditions on the Provider's Website. If the User fails to notify the Provider within a specified period of notice of the Contract, he / she is deemed to have accepted the new wording of the Terms and Conditions. The current wording of the Terms is available on the Provider's website.
    2. If any provision of the Terms or the Contract is found to be invalid, unlawful or unenforceable, the validity, lawfulness and enforceability of other provisions of the Terms or the Agreement shall not be affected.
    3. The User declares that / she has become acquainted with these Terms and agrees and accepts them by using the Service.
    4. The Agreement is governed by the Conditions and Laws of the Czech Republic and any disputes between the parties fall within the exclusive jurisdiction of the courts and authorities in the Czech Republic.

These Conditions come into effect on March 16, 2015.