Privacy Policy
Last updated: 10/14/2026
What we collect: Email, YouTube URLs you submit, usage data, and technical information
Why we collect it: To provide AI summaries, improve our service, and process payments
Who we share with: Supabase (data storage), Stripe (payments), OpenRouter (AI processing), PostHog & Sentry (analytics)
Your rights: Access, correct, delete your data, or withdraw consent anytime
Contact us: [email protected] for any privacy concerns
1. Data Controller
Company Name: Questly Kft.
Country: Hungary
Tax Number: 32757402-1-42
Registered Office: 1065 Budapest, Révay utca 6. Fsz. 7. ajtó
Email: [email protected]
Questly Kft. is the data controller responsible for processing your personal data in accordance with the General Data Protection Regulation (GDPR) and Hungarian data protection laws.
2. Types of Personal Data We Collect
Account Information
- Email address (for authentication and communication)
- Password (encrypted and stored securely)
- Account creation date and last login information
Service Usage Data
- YouTube video URLs submitted for processing
- Video metadata (title, duration, channel information)
- Generated summaries and transcripts
- Usage patterns and frequency
- Subscription status and payment information
Technical Data
- IP address and location data
- Browser type and version
- Device information and operating system
- Cookies and similar tracking technologies
3. Legal Basis for Processing
We process your personal data based on the following legal grounds:
- Contract Performance: To provide the summarization service you have subscribed to
- Legitimate Interest: To improve our service, prevent fraud, and ensure security
- Consent: For marketing communications and optional data processing
- Legal Obligation: To comply with applicable laws and regulations
4. How We Use Your Data
Service Provision
- Process YouTube videos and generate summaries
- Maintain your account and subscription
- Provide customer support
- Process payments through Stripe
Service Improvement
- Analyze usage patterns to improve AI accuracy
- Optimize service performance and reliability
- Develop new features and capabilities
- Conduct research and analytics (anonymized)
Communication
- Send service-related notifications
- Provide updates about your subscription
- Respond to your inquiries and support requests
- Send marketing communications (with consent)
5. Data Sharing and Third Parties
We may share your data with the following third parties:
Supabase (Database & Authentication)
We use Supabase for user authentication and data storage. Your account information and usage data are stored securely on Supabase's infrastructure.
Stripe (Payment Processing)
Payment information is processed by Stripe. We do not store credit card details on our servers.
OpenRouter (AI Processing)
Video transcripts are sent to OpenRouter for AI-powered summarization. We do not share personal information with OpenRouter beyond the content you submit.
YouTube API
We access YouTube's API to retrieve video metadata. We only process publicly available video information.
PostHog (Analytics)
We use PostHog for user behavior analytics and event tracking to improve our service. PostHog may set cookies for analytics purposes.
Sentry (Error Tracking)
We use Sentry for error monitoring and performance tracking. Sentry may set cookies to track application performance and errors.
We do not sell, rent, or trade your personal data to third parties for marketing purposes.
移动应用和应用内购买
sum.video 的 iOS 和 Android 应用与网站共享相同的账户和摘要，但存在以下差异：
- 在应用中购买的专业版订阅由 Apple App Store 或 Google Play 收费，而不是 Stripe。
- 我们使用 RevenueCat 验证商店收据并将订阅状态同步到你的账户。
- 移动应用不包含 PostHog 分析或广告跟踪 SDK。
- 你可以从移动应用中的“账户”或网站上的仪表板删除你的账户。这将删除你在 sum.video 上的个人账户数据。
- 删除你的账户不会取消有效的 App Store 或 Google Play 订阅。请在 Apple ID 或 Google Play 订阅设置中取消这些订阅。
Claude and ChatGPT connectors
If you connect Claude or ChatGPT to sum.video, those apps send the YouTube video URLs and questions you ask through the connector. We process them under your existing account, weekly summary quota, and chat quota. We do not receive the rest of your Claude or ChatGPT conversation.
6. Data Retention
Account Data
Retained for the duration of your account plus 3 years after account closure for legal and business purposes.
Usage Data
Video URLs and summaries are retained for 2 years to improve service quality and provide account history.
Payment Data
Retained for 7 years as required by Hungarian accounting and tax regulations.
Technical Data
Logs and technical data are retained for 1 year for security and performance monitoring.
你在 GDPR 下的权利
作为数据主体，你拥有以下权利：
访问权
请求我们持有的所有个人数据的副本。
纠正权
纠正不准确或不完整的个人数据。
删除权
在某些情况下请求删除你的个人数据。
限制处理权
限制我们处理你的个人数据的方式。
数据可移植权
以结构化、机器可读的格式接收你的数据。
反对权
反对基于合法利益的处理。
你可以自行在移动应用（账户 → 删除账户）或网站仪表板上删除你的账户。共享的公开摘要不会被删除。
对于其他隐私请求，请通过 [email protected] 联系我们。我们将在 30 天内回复。
8. Data Security
We implement appropriate technical and organizational measures to protect your data:
- Encryption of data in transit and at rest
- Regular security assessments and updates
- Access controls and authentication
- Secure data centers and infrastructure
- Employee training on data protection
- Incident response procedures
9. Cookies and Tracking
We use cookies and similar technologies for:
- Authentication and session management (Supabase)
- Remembering your preferences (theme, sidebar state)
- Analytics and user behavior tracking (PostHog)
- Error monitoring and performance tracking (Sentry)
- Security and fraud prevention
We also use browser localStorage for certain preferences like theme selection and video URL storage. Unlike cookies, localStorage data is not sent to our servers automatically.
You can control cookie settings through your browser preferences. Some features may not work properly if cookies are disabled. For detailed information about our cookie usage, please see our Cookie Policy.
10. International Data Transfers
Some of our service providers may be located outside the European Economic Area (EEA). We ensure adequate protection through:
- Standard Contractual Clauses (SCCs)
- Adequacy decisions by the European Commission
- Certification schemes and codes of conduct
- Binding corporate rules
11. Children's Privacy
Our service is not intended for children under 16. We do not knowingly collect personal data from children under 16. If we become aware that we have collected data from a child under 16, we will take steps to delete such information.
12. Changes to This Policy
We may update this privacy policy from time to time. Material changes will be communicated via email or service notification. We encourage you to review this policy periodically.
13. Supervisory Authority
You have the right to lodge a complaint with the Hungarian National Authority for Data Protection and Freedom of Information (NAIH):
14. Contact Information
For questions about this privacy policy or to exercise your rights, please contact us:
Data Protection Officer: Questly Kft.
Address: 1065 Budapest, Révay utca 6. Fsz. 7. ajtó
Email: [email protected]
Response Time: Within 30 days
This privacy policy is compliant with the General Data Protection Regulation (GDPR) and Hungarian data protection laws.