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1. The owner of the Service available at https://leksykon.app is Mext.pl sp. z o.o. with its registered office in Baranów (96-314), ul. Polna 9c, entered in the Register of Entrepreneurs of the National Court Register kept by the District Court for the Capital City of Warsaw in Warsaw, 14th Commercial Division of the National Court Register, under KRS number: 0000611184, share capital PLN 5,000.00, NIP (Tax ID): 5291811199, REGON: 364127431, e-mail: contact@leksykon.app, tel. 606286050.
2. Through the Service, the Service Owner provides paid access to digital content (a library of video materials concerning human movement) on a subscription basis, and provides Electronic Services.
1. Price – the value expressed in monetary units that the User is obliged to pay the Service Owner for access to the Digital Content under the selected Plan; price within the meaning of Art. 2(5h) of the Consumer Rights Act.
2. Business day – a day of the week from Monday to Friday, excluding public holidays.
3. Consumer – a natural person performing a legal act with an entrepreneur that is not directly related to their business or professional activity.
4. Account – an account maintained for the User in the Service under a unique e-mail address, enabling use of the Subscription and access to the Digital Content.
5. Billing period – the recurring period for which a fee is charged under the Subscription, corresponding to the selected Plan (monthly or yearly).
6. Plan – a Subscription variant specifying the scope of access to the Digital Content, the Billing period and the Price; the current Plans are presented in the Service.
7. Entrepreneur – a natural person, legal person or organisational unit without legal personality to which the law grants legal capacity, conducting business or professional activity in their own name.
8. Entrepreneur with consumer rights – a natural person conducting business activity who concludes a contract directly related to their business activity, where it follows from the content of that contract that it does not have a professional character for them; a person referred to in Art. 7aa of the Consumer Rights Act.
9. Subscription – a paid, renewable service of access to the Digital Content, provided for a fixed term corresponding to successive Billing periods, until it is terminated (cancelled) on the terms set out in these Terms.
10. Payment system – the payment system through which payments in the Service are made. The primary payment system is Stripe, operated by Stripe Payments Europe, Ltd. (and affiliated entities). Settlement of a transaction may require acceptance of the payment operator's terms.
11. Digital Content (Content) – data produced and supplied in digital form, in particular video materials and descriptions made available in the Service under the Subscription; digital content within the meaning of Art. 2(5) of the Consumer Rights Act.
12. Agreement – an agreement for the continuous supply of Digital Content (Subscription) in exchange for the Price, concluded between the User and the Service Owner on the terms set out in these Terms.
13. Distance contract – a contract concluded within an organised system of distance contracting, without the simultaneous physical presence of the parties, with the exclusive use of means of distance communication.
14. Electronic Service – a service provided by electronic means by the Service Owner via the Service, including maintaining the Account and providing the functionalities of the Service.
15. User – any natural person, legal person or organisational unit using the Service or the Electronic Services, including a person concluding the Agreement.
16. Privacy Policy – the document available at https://leksykon.app/page/privacy setting out the rules for the processing of personal data and the use of cookies.
17. Terms – this document, available in the Service.
18. Service – the website operated by the Service Owner at leksykon.app and its subpages.
19. Civil Code – the Polish Act of 23 April 1964 – Civil Code.
20. Consumer Rights Act – the Polish Act of 30 May 2014 on consumer rights.
21. Act on Providing Services by Electronic Means – the Polish Act of 18 July 2002 on providing services by electronic means.
The terms defined above have the meaning assigned to them regardless of whether they are written with a capital or lowercase letter.
1. These Terms set out the rules for using the Service and its functionalities, the scope and conditions of providing Electronic Services, the rules for creating an Account, concluding and terminating the Agreement (Subscription), the rules and dates of payment, and the complaint procedure.
2. Contact details of the Service Owner: postal address: Mext.pl sp. z o.o., ul. Polna 9c, 96-314 Baranów; e-mail: contact@leksykon.app; telephone: +48 606286050.
3. Information about Plans and Digital Content presented in the Service does not constitute an offer within the meaning of the Civil Code, but an invitation to conclude a contract (Art. 71 of the Civil Code).
4. The Terms are made available to the User free of charge in the Service in a manner enabling them to be obtained, reproduced and recorded (downloaded, saved, printed).
5. The User may not use the Service anonymously, under a pseudonym, or using false personal data.
6. The User is obliged to use the Service in accordance with the Terms, the law and good practice, with respect for the intellectual property rights of the Service Owner and third parties, and in a manner that does not disrupt the functioning of the Service.
7. The User is prohibited from providing unlawful content or content infringing intellectual property rights.
8. The Service is available in principle around the clock. The Service Owner reserves the right to temporary interruptions for technical or maintenance reasons.
9. The Digital Content is of an educational and informational nature. The Service Owner prepares it with due diligence; however, it does not constitute medical advice, and use of the Content is at the User's own responsibility.
10. The User may use the Service and the Digital Content for their own purposes, including in the course of their professional activity (e.g. to expand their own knowledge and skills). The User may not, however, copy, record, share, publicly display, distribute, resell or otherwise make the Digital Content itself available to third parties, including the User's own clients (see the Licence in section 11).
1. Use of the Service and the Digital Content is possible provided that the following minimum technical requirements are met:
a device with internet access and a functioning operating system (e.g. macOS, Windows, Android, iOS);
a current version of a web browser supporting HTML5 and cookies (e.g. Chrome, Safari, Firefox, Edge), enabling video playback (streaming);
an active e-mail account;
an internet connection with bandwidth sufficient for video playback.
2. The Service Owner ensures the security of data transmission using the SSL/TLS protocol and applies technical and organisational measures appropriate to the level of risk.
1. The Service Owner provides Electronic Services to the User, including: access to the Service, maintaining the Account, and providing the Digital Content under the Subscription.
2. The agreement for the Electronic Service consisting in maintaining the Account is concluded for an indefinite period upon creation of the Account and terminates upon its deletion.
3. Use of Electronic Services other than the Subscription is free of charge.
4. The User may terminate the agreement for an Electronic Service (e.g. delete the Account) at any time and without giving a reason, which is without prejudice to ongoing obligations arising from a paid Subscription.
5. Complaints concerning the operation of the Service may be submitted electronically to: contact@leksykon.app. It is recommended to indicate the circumstances of the complaint (type and date of the irregularity, the request, contact details); providing this information is optional. Complaints are handled without delay, no later than within 14 days.
6. The Service Owner has designated a contact point that can be reached at: contact@leksykon.app, for communication with Users and competent authorities.
1. Creating an Account is free of charge and is necessary to conclude the Agreement. An Account without an active Subscription enables browsing the Leksykon (its structure and descriptions); playback of the video materials requires an active, paid Subscription.
2. The Account is created by providing an e-mail address and setting a password. The Service Owner may enable the creation of an Account during the Subscription purchase process, by sending to the indicated e-mail address a message with a link enabling the password to be set.
3. The User is obliged to provide true data and to keep login credentials confidential. The Account is non-transferable.
4. The User may delete the Account at any time. Deletion of the Account during a paid Billing period does not entitle the User to a refund of the Price for the unused period, subject to mandatory provisions of law.
1. To conclude the Agreement, the User selects a Plan from those presented in the Service and proceeds to payment.
2. Acceptance of the Terms and confirmation of having read the Privacy Policy take place when the Account is created, which is a prerequisite for concluding the Agreement. Additionally, before completing the purchase, a User who is a Consumer or an Entrepreneur with consumer rights consents to the supply of the Digital Content (commencement of performance) before the expiry of the withdrawal period and acknowledges the loss of the right of withdrawal, by ticking the following statement: "I consent to the Digital Content being made available to me (commencement of performance) before the expiry of the withdrawal period, and I acknowledge that I thereby lose the right to withdraw from the Agreement."
3. Payment is made via the Payment system (Stripe). After being redirected to the payment operator and successfully making the payment, the User obtains access to the Digital Content.
4. The Agreement is deemed concluded upon the Service Owner's confirmation of acceptance of the Order (activation of the Subscription), sent to the User's e-mail address.
5. The Agreement is concluded in the English language, in accordance with the Terms.
1. The prices presented in the Service are gross prices (inclusive of VAT) and are expressed in Polish zloty (PLN) and in euro (EUR), depending on the selected Plan and settlement currency.
2. The binding price is the price indicated in the summary when selecting the Plan at the time of conclusion of the Agreement.
3. The Price covers access to the Digital Content for one Billing period and is charged in advance for each Billing period.
4. The Service Owner may change Prices and the scope of Plans. A change in Price does not affect Billing periods paid before it takes effect. The User will be informed in advance of a Price change applicable to subsequent Billing periods, with the right to cancel the Subscription before the change takes effect.
5. The Service does not offer a free trial period. Creating an Account is free of charge and enables browsing the Leksykon without access to the video materials. The Service Owner may make discount codes available on the terms indicated in the Service in each case.
1. The Subscription is renewable. The fee is charged in advance for each Billing period, and the Subscription renews automatically for the next Billing period unless the User cancels it before the end of the current Billing period.
2. Payment for subsequent Billing periods is charged automatically via the Payment system, using the User's saved payment method.
3. The User may cancel the Subscription at any time, with effect as at the end of the current, paid Billing period, using the "Cancel subscription" option in the Account panel (Account → Subscription) or by contacting contact@leksykon.app. Before the end of the current Billing period, the User may reactivate the Subscription.
4. After cancellation, the User retains access to the Digital Content until the end of the paid Billing period; after its expiry, access ceases and no further charges are made.
5. In the event of an unsuccessful charge for the next Billing period (e.g. payment rejection), the Service Owner may suspend access to the Digital Content until payment is made or terminate the Agreement.
6. Settlement of a transaction may require acceptance of the terms of the payment operator (Stripe), independent of the Service Owner.
7. At the User's request, the Service Owner issues an invoice. For this purpose, the User provides billing data (for a natural person: first name, last name and address; for a company: name, NIP and address).
1. Access to the Digital Content is provided continuously for the duration of the Subscription, immediately after activation of the Subscription.
2. The Digital Content is provided by streaming via the Account; these Terms do not provide for a right to download (save) the Content on the User's device, unless such functionality is expressly made available.
3. Supply of the Digital Content is free of charge (covered by the Subscription Price).
1. The Digital Content constitutes the intellectual property of the Service Owner (or of entities from which the Service Owner has obtained the relevant rights) and is protected by copyright law.
2. Upon conclusion of the Agreement, the Service Owner grants the User a non-exclusive, non-transferable, non-assignable licence, without the right to sublicense, to use the Digital Content for the User's own use (including in the course of their professional activity) and solely for the duration of the Subscription, to the extent necessary to play back (display) the Content via the Service.
3. The licence does not include the right to: download, reproduce, record, make publicly available, distribute, lend, rent, resell or make the Digital Content available to third parties (including the User's own clients), or to create derivative works based on it.
4. The licence expires upon the end of the Subscription.
1. A Consumer who has concluded a distance contract may withdraw from it within 14 calendar days without giving a reason, subject to point 12.4.
2. A declaration of withdrawal may be submitted electronically to contact@leksykon.app or in writing to: Mext.pl sp. z o.o., ul. Polna 9c, 96-314 Baranów. The template attached to the Consumer Rights Act may be used (this is not obligatory).
3. To meet the deadline, it is sufficient to send the declaration before its expiry.
4. The right of withdrawal does not apply to a contract for the supply of Digital Content not delivered on a tangible medium, for which the Consumer is obliged to pay the Price, if the Service Owner has commenced performance with the prior express consent of the Consumer and after informing them of the loss of the right of withdrawal (point 7.2), and the Consumer has acknowledged this (Art. 38(13) of the Consumer Rights Act).
5. In the event of an effective withdrawal (where this right applies), the Service Owner shall refund all payments made without delay, no later than within 14 days, using the same payment method.
6. The provisions of this point apply accordingly to Entrepreneurs with consumer rights.
1. The Service Owner is obliged to supply Digital Content that is in conformity with the Agreement. Chapter 5b of the Consumer Rights Act (Art. 43h et seq.) applies to the continuous supply of Digital Content.
2. The Digital Content is in conformity with the Agreement if, in particular, its description, type, quantity, quality, completeness, functionality, compatibility, availability and continuity comply with the Agreement, are typical for content of this kind and consistent with the Consumer's reasonable expectations.
3. Complaints concerning the conformity of the Digital Content with the Agreement may be submitted to the e-mail address: contact@leksykon.app or in writing to the registered office address. The complaint should enable identification of the User and state the subject matter and the request.
4. The Service Owner will respond to the complaint within 14 days of its receipt.
5. The Consumer is obliged to cooperate with the Service Owner, to a reasonable extent and using the least onerous technical means, in order to establish whether the lack of conformity of the Digital Content with the Agreement results from the characteristics of the Consumer's digital environment.
6. The provisions of this point apply accordingly to Entrepreneurs with consumer rights.
1. A Consumer may use out-of-court methods of handling complaints and pursuing claims, including: applying to a permanent consumer arbitration court, to a provincial inspector of the Trade Inspection, or seeking the assistance of a district (municipal) consumer ombudsman.
2. Detailed information is available on the website of the Office of Competition and Consumer Protection: uokik.gov.pl. [note: the EU ODR platform was shut down on 20 July 2025 and should no longer be referenced.]
Detailed information on the processing of personal data, the User's rights and the use of cookies is set out in the Privacy Policy available at https://leksykon.app/page/privacy.
1. The provisions of the Civil Code apply to contracts concluded with Entrepreneurs (other than Entrepreneurs with consumer rights).
2. To the fullest extent permitted by law, the Service Owner excludes towards an Entrepreneur its liability under statutory warranty and for lost profits.
3. Complaints from an Entrepreneur may be sent to contact@leksykon.app or in writing to the registered office address.
1. The Terms are effective as of the date of their publication in the Service.
2. All rights to the Service, including economic copyright and intellectual property rights to the name, domain, website, logos and materials, belong to the Service Owner or are held by it under appropriate licences.
3. Agreements are concluded on the basis of Polish law. The choice of Polish law does not deprive the Consumer of the protection afforded to them by the mandatory provisions of the law of their country of habitual residence.
4. The Service Owner reserves the right to amend the Terms for legitimate reasons (including changes in law, the introduction of new functionalities, or security considerations). Users holding an Account or an active Subscription will be informed of proposed changes in advance by electronic means, with the right to cancel the Subscription before the changes take effect. A change to the Terms does not affect Billing periods paid before it takes effect.
5. Dispute resolution: disputes with a Consumer or an Entrepreneur with consumer rights shall be submitted to the courts competent under the Code of Civil Procedure; disputes with an Entrepreneur shall be submitted to the court competent for the registered office of the Service Owner.
6. If any provision of the Terms proves to be invalid or unenforceable, the remaining provisions remain in force.
7. Matters not regulated by the Terms are governed by Polish law.
8. The Terms enter into force on 1 July 2026. Last updated: 1 July 2026.
(Complete and send this form only if you wish to file a complaint. Using it is not obligatory.)
To: Mext.pl sp. z o.o., ul. Polna 9c, 96-314 Baranów, e-mail: contact@leksykon.app
I hereby file a complaint concerning the digital content / service provided, specifying the following:
Account e-mail / order identifier:
Plan and date of purchase:
Description of the non-conformity or issue:
Date on which the non-conformity was noticed:
My request (e.g. bringing the content into conformity, price reduction, or a refund):
Consumer's name:
Contact address / e-mail:
Date:
Signature (only if the form is sent on paper):
(Complete and return this form only if you wish to withdraw from the contract. Please note: under section 12 of the Terms, the right of withdrawal does not apply once you have expressly consented to the digital content being made available immediately and have acknowledged the loss of that right.)
To: Mext.pl sp. z o.o., ul. Polna 9c, 96-314 Baranów, e-mail: contact@leksykon.app
I/We () hereby give notice that I/We () withdraw from my/our (*) contract for the supply of the following digital content:
Description / plan:
Ordered on (*):
Name of consumer(s):
Address of consumer(s):
Date:
Signature of consumer(s) (only if this form is notified on paper):
(*) Delete as appropriate.