Privacy Policy

Effective Date: August 1, 2025
Last Updated: August 1, 2025

1. Introduction

Welcome to Nimbus ("we," "our," or "us"), operated by Nimbus Edu L.L.C., a Delaware limited liability company. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our AI-powered study platform, including our website at www.nimbus.study and our mobile applications available on iOS and Android app stores (collectively, the "Service").

Please read this Privacy Policy carefully. By accessing or using our Service, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Personal Information

We may collect personally identifiable information that you voluntarily provide, including:

Name and email address
Account credentials (username and password)
Profile information and preferences
Educational institution or affiliation
Contact information for institutional accounts

2.2 Study Content and Academic Information

Documents, texts, and materials you upload for study purposes
Generated summaries, flashcards, and quizzes
Study schedules and learning preferences
Performance data and progress tracking
Quiz results and learning analytics

2.3 Usage and Technical Information

Device information (device type, operating system, unique device identifiers)
App usage data and interaction patterns
Log files and crash reports
IP address and location data (general geographic location)
Cookies and similar tracking technologies on our website

2.4 Audio Data

Voice recordings when using text-to-speech features
Audio preferences and settings

3. How We Use Your Information

We use collected information for the following purposes:

3.1 Service Provision

Provide and maintain our AI-powered study platform
Generate personalized summaries, quizzes, and study plans
Process and analyze your study materials
Deliver text-to-speech functionality
Track learning progress and provide performance insights

3.2 Personalization and Improvement

Customize your learning experience
Improve our AI algorithms and platform features
Develop new features and services
Conduct research to enhance educational outcomes

3.3 Communication

Send service-related notifications and updates
Respond to your inquiries and support requests
Provide educational content and tips
Send marketing communications (with your consent)

3.4 Legal and Security

Comply with legal obligations
Protect against fraud and unauthorized access
Enforce our Terms of Service
Ensure platform security and integrity

4. Information Sharing and Disclosure

We do not sell, trade, or rent your personal information. We may share information in the following limited circumstances:

4.1 Service Providers

We may share information with trusted third-party service providers who assist in:

Cloud hosting and data storage (Google Cloud)
AI processing services (OpenAI)
Text-to-speech services (Kokoro TTS)
Analytics and performance monitoring
Customer support services

4.2 Educational Institutions

For institutional accounts, we may share aggregated, anonymized learning analytics with:

Schools and universities (for enrolled students)
Parents or guardians (for minor students, with appropriate consent)
Educational administrators (for institutional insights)

4.3 Legal Requirements

We may disclose information when required by law or to:

Comply with legal process or government requests
Protect our rights, property, or safety
Prevent fraud or security threats
Enforce our Terms of Service

4.4 Business Transfers

In the event of a merger, acquisition, or sale of assets, user information may be transferred as part of the business transaction.

5. Data Security

We implement appropriate technical and organizational security measures to protect your information, including:

Encryption of data in transit and at rest
Regular security assessments and updates
Access controls and authentication measures
Secure cloud infrastructure (Google Cloud Platform)
Regular data backups and disaster recovery procedures

However, no method of transmission over the internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

6. Data Retention

We retain your information for as long as necessary to:

Provide our services to you
Comply with legal obligations
Resolve disputes and enforce agreements
Improve our platform and services

You may request deletion of your account and associated data at any time by contacting us at hello@nimbus.study.

7. Your Rights and Choices

Depending on your location, you may have the following rights:

7.1 Access and Portability

Request access to your personal information
Obtain a copy of your data in a portable format

7.2 Correction and Updates

Correct inaccurate or incomplete information
Update your profile and preferences

7.3 Deletion

Request deletion of your personal information
Delete your account and associated data

7.4 Consent Management

Withdraw consent for marketing communications
Opt-out of certain data processing activities
Manage cookie preferences

7.5 Data Processing Restrictions

Request restrictions on how we process your information
Object to certain types of data processing

To exercise these rights, contact us at hello@nimbus.study.

8. Children's Privacy

Our Service is designed for users aged 13 and older. We do not knowingly collect personal information from children under 13 without verifiable parental consent.

For users aged 13-17, we recommend parental involvement and may require parental consent for certain features. If we become aware that we have collected personal information from a child under 13 without parental consent, we will take steps to remove that information.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place for international transfers, including:

Adequacy decisions by relevant authorities
Standard contractual clauses
Certified privacy frameworks
Other legally recognized transfer mechanisms

10. Cookies and Tracking Technologies

Our website uses cookies and similar technologies to:

Remember your preferences and settings
Analyze website usage and performance
Provide personalized content
Enable social media features

You can control cookies through your browser settings, but disabling cookies may limit some platform functionality.

11. Third-Party Links and Services

Our Service may contain links to third-party websites or integrate with external services. This Privacy Policy does not apply to third-party services, and we are not responsible for their privacy practices. We encourage you to review the privacy policies of any third-party services you access.

12. Regional Privacy Rights

12.1 European Economic Area (EEA) and UK

If you are located in the EEA or UK, you have additional rights under the General Data Protection Regulation (GDPR), including:

Right to object to processing
Right to data portability
Right to lodge a complaint with supervisory authorities

12.2 California Residents

California residents have rights under the California Consumer Privacy Act (CCPA), including:

Right to know what personal information is collected
Right to delete personal information
Right to opt-out of the sale of personal information
Right to non-discrimination

12.3 Other Jurisdictions

We comply with applicable privacy laws in all jurisdictions where we operate.

13. Updates to This Privacy Policy

We may update this Privacy Policy periodically to reflect changes in our practices, services, or legal requirements. We will notify you of material changes by:

Posting the updated policy on our website
Sending email notifications to registered users
Providing in-app notifications for mobile users

Continued use of our Service after policy updates constitutes acceptance of the revised policy.

14. Contact Information

If you have questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:

Company: Nimbus Edu L.L.C.
Email: hello@nimbus.study
Website: www.nimbus.study
Registered Address: 1111B S Governors Ave STE 26917, Dover, DE 19904, US

For data protection inquiries, you may also contact our Data Protection Officer at the same email address.

15. Governing Law

This Privacy Policy is governed by the laws of the State of Delaware and the United States, without regard to conflict of law principles. Any disputes arising from this policy will be resolved in the state or federal courts located in Delaware.