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Terms of Service

Effective Date: October 15, 2026

Please read these Terms and Conditions ("Terms", "Terms of Service") carefully before using the Edyssey AI mobile application (the "App") operated by ReactLab OÜ, registry code 17276611 ("us", "we", or "our"). Your access to and use of the App is conditioned upon your acceptance of and compliance with these Terms. By accessing or using the App, you agree to be bound by these Terms, in harmony with the European Union Artificial Intelligence Act (EU AI Act, Regulation (EU) 2024/1689) and the General Data Protection Regulation (GDPR, Regulation (EU) 2016/679).

1. Description of Service

Edyssey AI is an interactive client-server mobile application designed for language learning on Android and iOS platforms. It utilizes generative artificial intelligence (AI) and synthetic audio technologies to generate personalized language courses based on the Michel Thomas method, allowing learners to practice speaking, listening, reading, and grammar across diverse proficiency levels. The App features adaptive conversational exercises, real-time pronunciation evaluation, Token-Level Memory tracking, and an interactive conversational AI tutor ("Essy") with synthetic voice synthesis.

2. User Accounts & Age Requirements

Account Creation: To access core features, you must register for an account. You agree to provide accurate, complete, and current information during registration and keep it updated.

Account Security: You are responsible for safeguarding your credentials and for all activities conducted under your account. You must notify us immediately of any unauthorized use or security breach.

Age Requirements (GDPR Art. 8 & Estonian Law): In compliance with Article 8 of the GDPR and § 8 of the Estonian Personal Data Protection Act (Isikuandmete kaitse seadus), you must be at least 13 years old to register an account and use the App. If you are between 13 and 18 years of age, you represent and warrant that you have obtained verifiable permission from your parent or legal guardian to access and use the App.

3. Use of the App

Permitted Use: You are granted a limited, non-exclusive, non-transferable, revocable license to access and use the App solely for personal, non-commercial language learning purposes in accordance with these Terms.

Prohibited Use: You agree not to violate applicable laws; exploit or harm minors; transmit unsolicited promotional materials; impersonate any individual or entity; introduce malicious code or viruses; attempt unauthorized access to our infrastructure; reverse engineer or decompile any part of the App; or utilize automated scrapers, bots, or extraction scripts.

4. Intellectual Property Rights

The App, its pedagogical structures, software, design, branding, and original content are the exclusive property of ReactLab OÜ and its licensors, protected by copyright, trademark, and other intellectual property laws.

User-Generated Content: You retain all rights in content and prompts you submit. By submitting content to the App, you grant ReactLab OÜ a worldwide, non-exclusive, royalty-free license to process such content solely as necessary to provide, operate, and maintain the educational services in accordance with our Privacy Policy.

5. AI Functionality, Hallucination Disclaimers & Ethical Safeguards

AI-Generated Content & Hallucinations: Edyssey AI employs advanced large language models (LLMs) and synthetic voice synthesis to deliver tutoring and dynamic curricula. While we continuously optimize our pedagogical models, AI outputs may occasionally contain linguistic inaccuracies, factual errors, or hallucinations. Reliance on AI-generated explanations or translations is at your own discretion.

Educational Aid Disclaimer: Edyssey AI is provided strictly as an educational supplement and practice tool. It does not constitute formal academic certification or accredited instruction, and does not replace certified human language educators. ReactLab OÜ accepts no liability for errors, omissions, or pedagogical inaccuracies in AI-generated explanations, feedback, or pronunciation ratings.

Ethical AI Standards & Prohibited Practices (EU AI Act Art. 5): Our AI tutor operates under strict, immutable ethical safeguards:
  • The AI system explicitly identifies itself as an artificial intelligence and will never pretend to possess human consciousness, sentience, or physical feelings.
  • The AI system is strictly prohibited from employing behavioral manipulation, guilt-tripping, or simulating emotional distress (e.g. feigning sadness or abandonment over missed study days or mistakes).
  • Pedagogical feedback, encouragement, and course progression are never conditioned on coercive commercial prompts or in-app purchase demands.
Automated Individual Decision-Making (GDPR Art. 22): All automated evaluations, mistake classifications ("UserWeakSpot"), and proficiency estimations are utilized solely for adaptive pedagogical tailoring and have no legal or similarly significant effects on the user.

6. Subscriptions, In-App Purchases and Payments

Subscription Terms: Premium features and AI conversations, subject to usage limits, are offered on a recurring subscription basis (monthly or annual billing). Payment is billed in advance and charged to your Apple App Store or Google Play Store account at confirmation of purchase.

Automatic Renewal: Subscriptions automatically renew at the end of each billing cycle unless cancelled at least 24 hours prior to the expiration of the current period via your Apple ID or Google Play account settings.

Refunds & Cancellations: Subscription cancellations must be managed directly through the respective app marketplace (Apple App Store or Google Play Store). Subscription fees are non-refundable by ReactLab OÜ, and refund eligibility is governed exclusively by the statutory terms and refund policies of Apple Inc. and Google LLC.

Fair Use Policy: Access to real-time AI Tutor audio and course generation is provided subject to our Fair Use Policy. We reserve the right to establish reasonable rate limits or suspend access in the event of abusive, automated, or non-personal usage patterns that compromise service stability.

7. Disclaimers and Limitation of Liability

The App is provided "AS IS" and "AS AVAILABLE" without warranties of any kind. We do not guarantee that you will achieve a specific level of language proficiency. Edyssey and its affiliates shall not be liable for indirect, incidental, or consequential damages arising from your use of the App.

8. Termination

We may terminate or suspend your account immediately for any reason, including breach of these Terms. Upon termination, your right to use the App will cease immediately.

9. Governing Law and Dispute Resolution

These Terms shall be governed by Estonian law. Disputes shall first be resolved through amicable negotiations. If unresolved, disputes will be submitted to the exclusive jurisdiction of the courts of Estonia in Tallinn.

10. Changes to These Terms

We reserve the right to modify or replace these Terms. Material changes will be notified at least 30 days prior to taking effect. Continued use of the App after changes constitutes acceptance.

11. Severability

If any provision of these Terms is held invalid, the remaining provisions will remain in effect.

12. Contact Us

Email: legal@edyssey.app

End-User License Agreement (EULA)

Effective Date: October 15, 2026

This End-User License Agreement ("EULA") is a legal agreement between you and ReactLab OÜ, registry code 17276611, governing your use of the Edyssey AI mobile application ("App").

1. License Grant

Edyssey grants you a non-exclusive, non-transferable, revocable license to download, install, and use the App for personal, non-commercial purposes, subject to these terms.

2. Restrictions

You may not copy, modify, distribute, or reverse-engineer the App; use the App for unlawful purposes; circumvent security measures; or rent, lease, or sublicense the App to third parties.

3. Ownership

The App and its content are owned by Edyssey and protected by intellectual property laws. No ownership rights are transferred to you.

4. Updates and Modifications

Edyssey may update the App to improve functionality. Continued use after updates constitutes acceptance.

5. Termination

This EULA is effective until terminated. Your rights will terminate automatically if you fail to comply with its terms. Upon termination, you must cease all use and delete the App.

6. Disclaimer of Warranties

The App is provided "AS IS" without warranties. We do not guarantee uninterrupted, error-free operation.

7. Limitation of Liability

Edyssey shall not be liable for indirect or consequential damages arising from use of the App.

8. Governing Law

This EULA is governed by the laws of Estonia. Disputes shall be resolved in the courts of Tallinn, Estonia.

9. Contact Information

Email: legal@edyssey.app
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