TERMS AND CONDITIONS OF USE — Sketch Hero

Last updated: 15 July 2026 Version: 2026-07-15

1. IDENTIFICATION AND PURPOSE

These Terms and Conditions (the “Terms”) govern access to and use of the website www.sketchhero.app and the Sketch Hero mobile applications for iOS and Android (together, the “Application” or the “Service”), owned by:

• Owner: Sketch Hero S.L.
• Tax ID (NIF/CIF): B88704671
• Registered office: c/ Enric Granados 103, entlo. 2, 08008 Barcelona, Spain
• Email: robert@sketchhero.app
• Registration details: Registered with the Commercial Registry of Barcelona, Folio 1, Sheet B 656713, Entry 1

Sketch Hero is a drawing-learning application that proposes exercises and automatically evaluates, by means of artificial intelligence systems, the drawings created by the User, providing an assessment and educational feedback.

By registering and using the Service, the User expressly accepts these Terms. If you do not agree with them, you must refrain from using the Application.

The processing of personal data is governed by the Privacy Policy, which forms an integral part of these Terms.

2. MINIMUM AGE AND CAPACITY

• Use of the Service is reserved for persons over 14 years of age. Upon registering, the User declares that they are at least 14 years old.
• During registration, the date of birth is requested for verification purposes. Entering a false date of birth constitutes a breach of these Terms and entitles the Owner to suspend or delete the account.
• If the User resides in a country whose regulations require a higher minimum age, that age shall apply.
• Users between 14 and 17 years of age are excluded by default from having their drawings used to train artificial intelligence models (see clause 6).

3. USER ACCOUNT

• Registration requires a valid email address and a password. The User may choose a public alias.
• The User is responsible for the confidentiality of their credentials and for all activity carried out from their account. They must immediately report any unauthorized use.
• The account is personal and non-transferable. Sharing, assigning or commercializing it is not permitted.
• The User warrants that the information provided is truthful and undertakes to keep it up to date.
• The User may delete their account at any time from the Application settings.

4. LICENSE TO USE THE APPLICATION

The Owner grants the User a personal, limited, non-exclusive, revocable and non-transferable license to use the Application for personal, non-commercial purposes.

The following is expressly prohibited:

• Copying, modifying, decompiling, reverse-engineering or creating derivative works of the Application, except to the extent mandatorily permitted by law.
• Extracting, scraping or systematically reusing the contents of the Service (lessons, exercises, theory, reference images), including their use to train third-party artificial intelligence systems.
• Accessing the Service through automated means, bots or unauthorized clients.
• Circumventing technical protection measures, usage limits or age-verification systems.
• Using the Service for unlawful purposes or purposes that could harm the Owner’s image.

5. USER CONTENT: OWNERSHIP

The User retains full ownership of the intellectual property rights over the drawings they create in the Application (the “User Content”). Nothing in these Terms constitutes an assignment of such ownership.

The User warrants that:

• The User Content is original and their own work, or that they hold the necessary rights over it.
• It does not infringe the intellectual property, industrial property, image or any other rights of third parties.
• It does not include third parties’ personal data, nor unlawful, violent, sexual, discriminatory, defamatory content or content promoting illegal activities.

6. LICENSE GRANTED BY THE USER TO THE OWNER

In order to provide the Service, the User grants the Owner a non-exclusive, worldwide, royalty-free license, without the right to sublicense except as provided in point (c), and limited to the following purposes:

(a) Providing the Service. Storing, reproducing, transmitting and processing the User Content to the extent necessary to save it, sync it across devices, display it to the User and submit it to evaluation by artificial intelligence systems. This license is necessary for the operation of the Application and remains in force for as long as the User keeps their account.

(b) Improving the Service’s artificial intelligence models. Using the User Content and its pedagogical metadata to train, fine-tune, validate and evaluate the artificial intelligence models intended to grade Sketch Hero exercises.

This license (b) is subject to the following limitations, which the Owner undertakes to respect:

• It does not apply to Users under 18 years of age.
• The User may object at any time from Settings → Privacy. Once the objection is exercised, this license (b) lapses immediately and their Content ceases to be incorporated into new datasets and training processes.
• It does not authorize the Owner to assign, license or sell the User Content, or the datasets derived from it, to third parties for training purposes. Training is carried out on infrastructure contracted by the Owner, under a data processing agreement.

(c) Gallery. When the User expressly taps the publish button on a specific drawing, they grant the Owner a license to reproduce, publicly communicate and make available that drawing within the Application’s gallery and, where applicable, on the website, associated with their alias. This license is limited to the published drawing, is granted drawing by drawing and lapses when the User unpublishes it.

None of these licenses authorizes the Owner to use the User Content for advertising or promotional purposes outside the Application without the User’s prior and specific consent.

7. USE OF ARTIFICIAL INTELLIGENCE: LIMITATIONS

The User acknowledges and accepts that:

• Evaluations, scores, corrections and comments are generated by means of automated artificial intelligence systems and may contain errors, inaccuracies or debatable assessments.
• Such evaluations are indicative and educational in nature. They do not constitute a professional, academic or certified assessment, and must not be used as accreditation of level, aptitude or competence.
• The Owner does not guarantee the accuracy of the results generated by the artificial intelligence systems, nor that use of the Service will produce any particular improvement in the User’s skills.
• The User may request human review of an evaluation by writing to robert@sketchhero.app.
• The Service depends on external providers of artificial intelligence models. Their temporary unavailability may affect the evaluation function.

8. RULES OF CONDUCT AND GALLERY

When the User publishes content in the gallery or interacts with other Users, they undertake not to publish content that:

• Is unlawful, defamatory, insulting, threatening or harassing.
• Is sexually explicit or unsuitable for a general audience.
• Incites hatred or violence, or is discriminatory.
• Infringes third-party rights, including intellectual property.
• Contains personal data of third parties or minors.
• Constitutes advertising, spam or promotion of third-party services.

Moderation. The Owner may remove or hide any content that breaches these rules, as well as suspend or cancel the infringing User’s account, with or without prior notice depending on the severity.

Reporting inappropriate content. The Application provides a mechanism enabling any User to report content they consider unlawful or contrary to these rules. The Owner will acknowledge receipt and communicate the decision adopted and its reasons, as well as the available means of complaint.

9. USAGE MODELS AND PAID CONTENT

This clause sets out the framework for all means of accessing the Service. The availability of each model is indicated within the Application itself; paid models only apply when they are actually active and the User voluntarily subscribes to them.

9.1 Free model

The Service includes free-access features. The Owner may modify the scope of the free features, without this affecting content or subscriptions already acquired by the User.

9.2 Rules common to all purchases

• Purchases are made entirely through the App Store (Apple) or Google Play, subject to each store’s conditions. The Owner does not receive or store card or payment-method data.
• The applicable prices are those shown in the store at the time of purchase, taxes included.
• Refund requests are handled through Apple or Google in accordance with their respective policies. The Owner will assist the User to the extent within its reach.
• Users aged 14 to 17 declare that they have the authorization of their parents or guardians to make purchases. Holders of parental authority are advised to activate Apple’s or Google’s parental purchase controls.

9.3 Auto-renewing subscriptions

When this model is active:

• The subscription grants access to premium features for the contracted period.
• The subscription renews automatically at the end of each period, charging the current price, unless the User cancels it at least 24 hours before the renewal date.
• Cancellation is managed from the Apple or Google account settings, not from the Application. Cancelling the subscription does not delete the Sketch Hero account, and premium access is maintained until the end of the period already paid for.
• If a free trial period is offered, the subscription will activate automatically at the end of that period unless cancelled beforehand. The duration and conditions of the trial will be indicated before subscribing.
• Price changes: any price change will be communicated to the User in advance and will not apply to the current period. The User may cancel before renewal; where the store so requires, the increase will not apply without the User’s express consent.

9.4 Exercise packs (“ink pots”)

When this model is active:

• The User may acquire packs of credits redeemable for a set number of exercises or evaluations. The number of credits and their equivalence will be clearly indicated before purchase.
• Credits are acquired digital content, not money: they do not constitute a means of payment or electronic money, are not refundable in cash, transferable, or redeemable for money, nor usable outside the Application.
• Acquired credits do not expire as long as the User’s account remains active.
• If the Owner modifies the number of credits required to access an exercise, that change will not apply to credits already acquired, which will retain the equivalence in force at the time of purchase.
• If the Owner permanently ceases to provide the Service, or cancels the User’s account for reasons not attributable to the User, it will refund the value of acquired and unused credits. If it is the User who voluntarily deletes their account, or if their account is cancelled for serious breach of these Terms, unused credits will be forfeited.

9.5 Right of withdrawal

As a consumer, the User has a period of 14 calendar days to withdraw from the contract without needing to give any reason.

However, in accordance with art. 103.m) of the TRLGDCU (Spanish consumer protection law), the right of withdrawal will not apply to the supply of digital content when performance has begun with the User’s prior and express consent and with their acknowledgment that, as a result, they lose their right of withdrawal.

By acquiring immediate access to a subscription or a pack of credits, the User gives such express consent and acknowledgment.

10. AVAILABILITY OF THE SERVICE

• The Owner will endeavour to keep the Service continuously available, but does not guarantee uninterrupted or error-free operation. It may suspend the Service temporarily for maintenance, updates or technical reasons.
• The Owner may modify, add or remove features. If a modification substantially affects a contracted paid service, it will be communicated in advance and the User may terminate the contract.
• The Service requires an internet connection and a compatible device, the cost of which is borne by the User.

11. LIABILITY

• The Owner is liable for the Service’s lack of conformity in accordance with the applicable consumer regulations.
• The Owner will not be liable for: (i) damages arising from the User’s improper use of the Service; (ii) content published by other Users; (iii) interruptions or failures attributable to third-party providers, the User’s device or their connection; (iv) decisions the User makes based on the evaluations generated by artificial intelligence.
• Nothing in these Terms excludes or limits the Owner’s liability for wilful misconduct, gross negligence, death or personal injury, nor any other liability that cannot be excluded under mandatory consumer protection regulations.
• The User will hold the Owner harmless against third-party claims arising from the User Content or from breach of these Terms.

12. THE OWNER’S INTELLECTUAL PROPERTY

All rights over the Application —code, design, interface, brand, logos, lessons, exercises, theoretical texts, reference images and other content— belong to the Owner or its licensors, and are protected by intellectual and industrial property regulations. Their use does not confer on the User any right over them beyond the license in clause 4.

13. DURATION AND TERMINATION

• The contract has an indefinite duration and remains in force for as long as the User keeps their account.
• The User may terminate it at any time by deleting their account from the settings.
• The Owner may suspend or cancel the account, with prior notice where reasonably possible, in the event of: serious breach of these Terms, fraudulent or abusive use, falsehood in the declared age, or permanent cessation of the Service.
• Effects of termination: the User will lose access to their stored content, which will be deleted in accordance with the Privacy Policy. It is recommended to download your data beforehand from Settings → Privacy. Active subscriptions will be governed by the conditions of the relevant store, and unused credits by the provisions of clause 9.4.

14. MODIFICATION OF THE TERMS

The Owner may modify these Terms for legal or technical reasons or due to the evolution of the Service. Substantial modifications will be communicated with reasonable advance notice through the Application or by email. If the User does not agree, they may terminate the contract by deleting their account. Continued use after the entry into force implies acceptance.

15. GOVERNING LAW AND DISPUTE RESOLUTION

• These Terms are governed by Spanish law.
• Where the User is a consumer, the courts of their domicile will have jurisdiction, and the mandatory consumer protection provisions of their country of residence will apply.
• Online dispute resolution: the User may turn to the European online dispute resolution platform, available at https://ec.europa.eu/consumers/odr
• Complaints and enquiries: robert@sketchhero.app

ANNEX — Additional conditions for iOS users

These conditions are added to the Terms for Users who download the Application from the App Store, and prevail over them in the event of conflict regarding Apple:

1. Parties to the contract. These Terms are entered into exclusively between the User and the Owner, not with Apple. Apple is not responsible for the Application or its content.
2. Scope of the license. The license to use is non-transferable and is limited to use of the Application on Apple-branded devices that the User owns or controls, in accordance with the App Store Usage Rules (including use via Family Sharing).
3. Maintenance and support. The Owner is solely responsible for the maintenance and support of the Application. Apple has no obligation in this regard.
4. Warranty. In the event that the Application fails to conform to the applicable warranty, the User may notify Apple, which may refund the purchase price. Apple assumes no other warranty obligation; any other claim is the Owner’s responsibility.
5. Product claims. The Owner, and not Apple, is responsible for addressing the User’s or third parties’ claims relating to the Application, including product liability, regulatory compliance and consumer protection claims.
6. Intellectual property. If a third party alleges that the Application infringes its intellectual property rights, the Owner will be solely responsible for the investigation, defence and resolution of that claim.
7. Legal compliance. The User declares that they are not located in a country subject to a U.S. Government embargo nor listed on any list of restricted parties.
8. Contact. Enquiries and support: robert@sketchhero.app.
9. Third-party beneficiaries. The User acknowledges that Apple and its subsidiaries are third-party beneficiaries of these Terms and will be entitled to enforce them against the User.