Terms of Service
Effective Date: December 3, 2024 | Last Updated: December 3, 2024
- You must be 13+ years old to use LinguaFlow (18+ for subscriptions)
- Free and premium subscription options are available
- Subscriptions auto-renew unless cancelled
- You retain rights to content you create; we own the Service
- Use the Service responsibly and respect our community
Table of Contents
- 1. Acceptance of Terms
- 2. Eligibility and Age
- 3. Account Registration
- 4. Description of Service
- 5. Subscriptions and Payments
- 6. Free Trials and Promotions
- 7. Virtual Items and Currency
- 8. User Conduct
- 9. User Content
- 10. Intellectual Property
- 11. AI-Generated Content
- 12. Third-Party Services
- 13. Privacy
- 14. Disclaimers
- 15. Limitation of Liability
- 16. Indemnification
- 17. Termination
- 18. Disputes and Arbitration
- 19. Class Action Waiver
- 20. Governing Law
- 21. Modifications
- 22. General Provisions
- 23. Contact Information
1. Acceptance of Terms
By accessing, downloading, or using the LinguaFlow application, website, or any related services (collectively, the "Service"), you agree to be bound by these Terms of Service ("Terms"), our Privacy Policy, and all applicable laws and regulations.
If you do not agree to these Terms, you must not access or use the Service.
These Terms constitute a legally binding agreement between you and LinguaFlow ("Company," "we," "our," or "us"). We may update these Terms from time to time as described in Section 21.
2. Eligibility and Age Requirements
2.1 Minimum Age
2.2 Parental Consent
If you are between 13 and 17 years of age:
- You must have permission from a parent or legal guardian to use the Service
- Your parent or guardian must review and agree to these Terms on your behalf
- Your parent or guardian is responsible for your use of the Service
2.3 Payment Age Requirement
You must be at least 18 years old (or the age of majority in your jurisdiction) to:
- Purchase a subscription
- Make any in-app purchases
- Enter into any financial transactions
Minors may only make purchases with explicit parental or guardian authorization.
2.4 Additional Restrictions
You may not use the Service if:
- You are prohibited from receiving services under applicable law
- Your account has been previously terminated for violations
- You are located in a region where the Service is not available
3. Account Registration
3.1 Account Creation
To access most features of the Service, you must create an account. You may register using:
- Email address and password
- Google Sign-In
- Apple Sign-In
- Facebook Sign-In
3.2 Accurate Information
You agree to:
- Provide accurate, current, and complete information during registration
- Maintain and promptly update your information to keep it accurate
- Not impersonate any person or use a name you're not authorized to use
3.3 Account Security
You are responsible for:
- Maintaining the confidentiality of your account credentials
- All activities that occur under your account
- Immediately notifying us at support@lingua-flow.app of any unauthorized use
We are not liable for any loss or damage arising from unauthorized access to your account.
3.4 One Account Per Person
Each person may maintain only one active account. Creating multiple accounts may result in termination of all accounts.
4. Description of Service
4.1 What We Provide
LinguaFlow is an AI-powered language learning platform that provides:
- Personalized learning curricula generated by artificial intelligence
- Interactive lessons, exercises, and quizzes
- Pronunciation coaching and real-time feedback
- AI-powered conversation practice (Live Tutor)
- Progress tracking, streaks, and gamification features
- Leaderboards and social features
- Achievement system and rewards
4.2 Service Availability
We strive to keep the Service available 24/7, but we do not guarantee uninterrupted access. The Service may be temporarily unavailable due to:
- Scheduled maintenance (we will try to provide advance notice)
- Emergency repairs or updates
- Factors outside our control (internet outages, natural disasters, etc.)
4.3 Service Modifications
We reserve the right to modify, update, or discontinue any aspect of the Service at any time. For material changes affecting paying subscribers, we will provide reasonable notice.
5. Subscriptions and Payments
5.1 Free Tier
LinguaFlow offers a free tier with the following limitations:
| Feature | Free Tier | Premium |
|---|---|---|
| Daily lessons | Limited (5/day) | Unlimited |
| Hearts system | 5 hearts (refill over time) | Unlimited |
| Languages | 1 language | All languages |
| Pronunciation feedback | Basic | Advanced AI |
| Live Tutor sessions | Limited | Unlimited |
| Offline mode | No | Yes |
| Advertisements | Yes | No |
5.2 Premium Subscription Plans
| Plan | Price | Billing |
|---|---|---|
| Monthly | $9.99 USD | Billed monthly |
| Annual | $59.99 USD ($5/month) | Billed annually (save 50%) |
Prices are shown in USD and may vary by region. Local pricing will be displayed at checkout.
5.3 Payment Processing
All payments are processed through:
- iOS: Apple App Store
- Android: Google Play Store
We do not directly collect or store your payment information. All transactions are subject to the respective platform's terms and conditions.
5.4 Automatic Renewal
- Your account will be charged for renewal within 24 hours prior to the end of the current period
- The renewal charge will be at the then-current subscription price
- You will receive a receipt via email for each renewal
5.5 How to Cancel
To cancel your subscription:
- iOS: Settings → [Your Name] → Subscriptions → LinguaFlow → Cancel
- Android: Google Play Store → Menu → Subscriptions → LinguaFlow → Cancel
Cancellation takes effect at the end of the current billing period. You retain access to premium features until that date.
5.6 Refunds
Refunds are handled according to Apple App Store and Google Play Store policies:
- Apple: Request a refund from Apple
- Google: Request a refund from Google Play
We do not provide direct refunds. All refund requests must go through the respective app store.
5.7 Price Changes
We may change subscription prices at any time. Price changes will:
- Not affect your current subscription period
- Take effect at your next renewal date
- Be communicated to you in advance via email or in-app notice
6. Free Trials and Promotions
6.1 Free Trial Eligibility
We may offer free trial periods for premium features. Eligibility:
- Limited to one free trial per person/account
- Limited to one free trial per payment method
- May not be combined with other offers
6.2 Free Trial Terms
- Free trials automatically convert to paid subscriptions unless cancelled
- You must cancel before the trial ends to avoid charges
- We may require payment information upfront to start a trial
6.3 Promotional Offers
Promotional pricing is subject to specific terms disclosed at the time of the offer. We reserve the right to modify or terminate promotions at any time.
7. Virtual Items and Currency
7.1 Virtual Currency (Gems, XP)
The Service may include virtual currency such as gems or experience points (XP). These items:
- Have no real-world monetary value
- Cannot be exchanged for real currency
- Cannot be transferred between accounts
- May be modified or removed at our discretion
7.2 Virtual Items
Virtual items (streak freezes, hearts, power-ups, etc.):
- Are licensed, not sold, to you
- Remain our property
- Are non-refundable once used
- May expire or be modified
7.3 No Monetary Value
Virtual items and currency have no cash value and cannot be redeemed for cash. Upon account termination, all virtual items are forfeited.
8. User Conduct
8.1 Acceptable Use
You agree to use the Service only for lawful purposes and in accordance with these Terms.
8.2 Prohibited Conduct
You agree NOT to:
Illegal Activities
- Use the Service for any illegal purpose
- Violate any applicable laws or regulations
- Promote or engage in illegal activities
Harmful Behavior
- Harass, bully, threaten, or abuse other users
- Post hateful, discriminatory, or offensive content
- Stalk or invade the privacy of others
- Impersonate any person or entity
Security Violations
- Attempt to gain unauthorized access to accounts or systems
- Upload viruses, malware, or malicious code
- Interfere with or disrupt the Service
- Circumvent security measures
Cheating and Abuse
- Use bots, scripts, or automated systems
- Exploit bugs or glitches for unfair advantage
- Manipulate leaderboards or achievements
- Create multiple accounts to circumvent limits
Commercial Activities
- Sell, trade, or transfer your account
- Use the Service for commercial purposes without authorization
- Advertise or solicit other users
- Reverse engineer or copy the Service
8.3 Consequences of Violations
- Warning or temporary suspension
- Permanent account termination
- Loss of virtual items and progress without refund
- Legal action in serious cases
9. User Content
9.1 Your Content
You retain ownership of content you create while using the Service, including:
- Voice recordings for pronunciation practice
- Text responses and written exercises
- Messages in conversations
- Profile information you provide
9.2 License Grant
By submitting content to the Service, you grant us a worldwide, non-exclusive, royalty-free, sublicensable license to:
- Use, reproduce, and process your content to provide the Service
- Analyze content to improve our AI and educational methods
- Store and backup your content
This license ends when you delete your content or account, except for content that has been shared with others or incorporated into aggregated, anonymized data.
9.3 Content Representations
You represent that your content:
- Does not infringe any third-party rights
- Does not violate any laws
- Is not false, misleading, or deceptive
- Does not contain viruses or harmful code
9.4 Content Removal
We reserve the right to remove any content that violates these Terms or that we find objectionable, without prior notice.
10. Intellectual Property
10.1 Our Ownership
The Service and all content provided through it (except User Content) is owned by LinguaFlow or our licensors, including:
- Software, code, and algorithms
- Lessons, curricula, and educational materials
- User interface, design, and graphics
- Audio content and pronunciation examples
- AI models and generated content
- Trademarks, logos, and branding
10.2 Limited License to Use
We grant you a limited, non-exclusive, non-transferable, revocable license to:
- Access and use the Service for personal, non-commercial language learning
- Download and install our mobile application on your personal devices
10.3 Restrictions
You may NOT:
- Copy, modify, or create derivative works of the Service
- Reverse engineer, decompile, or disassemble any part of the Service
- Remove any copyright, trademark, or proprietary notices
- Use our content for commercial purposes
- Scrape, crawl, or data mine the Service
- Redistribute or republish our content
10.4 Feedback
If you provide suggestions, ideas, or feedback about the Service, we may use them without obligation to you.
11. AI-Generated Content
11.1 Nature of AI Content
The Service uses artificial intelligence (Google Gemini) to generate educational content. You acknowledge that:
- AI-generated content may occasionally contain errors or inaccuracies
- The AI is a learning aid, not a replacement for professional instruction
- AI features and quality may change over time as we improve our systems
11.2 No Guarantees
We do not guarantee that AI-generated content is:
- 100% accurate or error-free
- Suitable for professional or official purposes
- Comprehensive coverage of any language or topic
11.3 Your Responsibility
You are responsible for verifying critical information and should not rely solely on AI-generated content for important decisions.
12. Third-Party Services
12.1 Third-Party Integrations
The Service integrates with third-party services including:
- Google (authentication, AI, analytics)
- Apple (authentication, payments)
- Facebook (authentication)
- Firebase (infrastructure)
12.2 Third-Party Terms
Your use of third-party services is subject to their respective terms and privacy policies. We are not responsible for third-party services.
12.3 Third-Party Links
The Service may contain links to third-party websites. We are not responsible for the content or practices of external sites.
13. Privacy
Your privacy is important to us. Our collection and use of personal information is governed by our Privacy Policy, which is incorporated into these Terms by reference.
Key privacy points:
- We collect information necessary to provide the Service
- We do not sell your personal information
- You can request deletion of your data
- Voice recordings are processed in real-time and not permanently stored
14. Disclaimers
14.1 "As Is" Service
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT.
14.2 No Guarantee of Results
We do not guarantee any specific learning outcomes. Language proficiency depends on many factors including:
- Individual effort and consistency
- Learning ability and prior experience
- Time dedicated to practice
- External practice and immersion
14.3 Service Availability
We do not warrant that:
- The Service will be uninterrupted or error-free
- Defects will be corrected
- The Service is free of viruses or harmful components
- The results of using the Service will meet your expectations
14.4 AI Disclaimer
AI-generated content is for educational purposes only. We disclaim all liability for errors in AI-generated content.
15. Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW:
15.1 Exclusion of Damages
LINGUAFLOW, ITS OFFICERS, DIRECTORS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, PUNITIVE, OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO:
- Loss of profits, revenue, or business opportunities
- Loss of data or goodwill
- Service interruption or computer damage
- Cost of substitute services
REGARDLESS OF WHETHER WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
15.2 Liability Cap
OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING FROM OR RELATED TO THE SERVICE SHALL NOT EXCEED THE GREATER OF:
- The amount you paid us in the 12 months prior to the claim, or
- $100 USD
15.3 Jurisdictional Limitations
Some jurisdictions do not allow limitations on implied warranties or liability. If these laws apply to you, some or all of the above limitations may not apply.
16. Indemnification
You agree to indemnify, defend, and hold harmless LinguaFlow, its officers, directors, employees, contractors, agents, licensors, and partners from and against any claims, damages, losses, costs, or expenses (including reasonable attorneys' fees) arising from:
- Your use of the Service
- Your violation of these Terms
- Your violation of any third-party rights
- Your User Content
- Any unauthorized use of your account
17. Termination
17.1 Termination by You
You may terminate your account at any time by:
- Deleting your account in the app (Settings → Account → Delete Account)
- Contacting us at support@lingua-flow.app
17.2 Termination by Us
We may suspend or terminate your account immediately, without notice, if you:
- Violate these Terms
- Engage in fraudulent activity
- Engage in conduct harmful to other users or the Service
- Fail to pay applicable fees
17.3 Effect of Termination
Upon termination:
- Your right to use the Service ceases immediately
- Your account data will be deleted per our Privacy Policy
- Virtual items and progress are forfeited
- No refunds are provided for unused subscription time (except as required by law)
- Provisions that by their nature should survive termination will survive
18. Disputes and Arbitration
18.1 Informal Resolution
Before filing a formal dispute, you agree to contact us at legal@lingua-flow.app and attempt to resolve the dispute informally for at least 30 days.
18.2 Binding Arbitration
If informal resolution fails, any dispute arising from these Terms or the Service shall be resolved by binding arbitration administered by the American Arbitration Association (AAA) under its Consumer Arbitration Rules.
18.3 Arbitration Procedures
- Arbitration will be conducted in English
- The arbitrator's decision will be final and binding
- Judgment on the arbitration award may be entered in any court of competent jurisdiction
- Each party bears its own costs unless the arbitrator determines otherwise
18.4 Small Claims Exception
Either party may bring an individual action in small claims court if the dispute qualifies.
18.5 Opt-Out
You may opt out of this arbitration agreement by sending written notice to legal@lingua-flow.app within 30 days of first accepting these Terms. Include your name, email, and statement that you opt out of arbitration.
19. Class Action Waiver
YOU AND LINGUAFLOW AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY IN YOUR OR ITS INDIVIDUAL CAPACITY AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS, CONSOLIDATED, OR REPRESENTATIVE ACTION.
Unless both parties agree otherwise, the arbitrator may not consolidate more than one person's claims.
20. Governing Law
These Terms are governed by and construed in accordance with the laws of the State of Delaware, United States, without regard to its conflict of law principles.
For disputes not subject to arbitration, you agree to submit to the personal jurisdiction of the state and federal courts located in Delaware.
21. Modifications to Terms and Service
21.1 Changes to Terms
We may modify these Terms at any time. When we make material changes:
- We will update the "Last Updated" date
- We will notify you via email or in-app notice
- Continued use after changes constitutes acceptance
21.2 Changes to Service
We reserve the right to:
- Modify or discontinue features at any time
- Change pricing with advance notice
- Update content and curricula
- Improve or modify AI features
21.3 Notice Period
For material changes affecting your subscription, we will provide at least 30 days' notice before your next billing date.
22. General Provisions
22.1 Entire Agreement
These Terms, together with our Privacy Policy, constitute the entire agreement between you and LinguaFlow regarding the Service.
22.2 Severability
If any provision of these Terms is found invalid or unenforceable, that provision will be limited or eliminated to the minimum extent necessary, and the remaining provisions will remain in full force.
22.3 Waiver
Our failure to enforce any right or provision does not constitute a waiver of that right or provision.
22.4 Assignment
You may not assign or transfer these Terms without our prior written consent. We may assign these Terms without restriction.
22.5 Force Majeure
We are not liable for any failure or delay due to circumstances beyond our reasonable control, including natural disasters, war, terrorism, labor disputes, or internet failures.
22.6 Headings
Section headings are for convenience only and do not affect interpretation.
22.7 Survival
Sections relating to intellectual property, disclaimers, limitation of liability, indemnification, arbitration, and general provisions survive termination.
23. Contact Information
If you have questions about these Terms, please contact us:
Legal Matters
- Email: legal@lingua-flow.app
General Support
- Email: support@lingua-flow.app
Privacy Concerns
- Email: privacy@lingua-flow.app