Last updated: June 16, 2026
Privacy Policy
Feed & Chat respects your privacy. This policy explains what data we collect and how we use it.
Data We Collect
| Data Type | Collected | Purpose |
|---|---|---|
| Email address & password | Yes | Account authentication (Supabase Auth) |
| Google account info | Yes | Sign in with Google |
| Apple account info | Yes | Sign in with Apple |
| YouTube URLs (user input) | Yes | Fetching and processing video content |
| Chat messages | Yes | Conversation history and learning analysis |
| Voice recordings | Yes (temporary) | Converted to text, then immediately deleted |
| Vocabulary & learning progress | Yes | Learning record management |
| Subscription status | Yes | Plan management via RevenueCat |
| Access logs (IP, etc.) | Yes (automatic) | Automatically recorded by Cloudflare infrastructure |
| Advertising ID / behavior tracking | No | — |
| Third-party analytics | No | — |
How We Use Your Data
Collected data is used solely for: ① account creation and authentication ② providing language learning features ③ chat, speech-to-text, and learning analysis ④ subscription plan management ⑤ maintaining service stability and security.
Third Parties
We share data with the following service providers only as necessary to operate the app:
| Service | Purpose | Privacy Policy |
|---|---|---|
| Supabase | Database & authentication | supabase.com/privacy |
| OpenAI | AI chat & speech-to-text | openai.com/policies/privacy-policy |
| Cloudflare | API infrastructure | cloudflare.com/privacypolicy |
| RevenueCat | Subscription management | revenuecat.com/privacy |
| OAuth authentication | policies.google.com/privacy | |
| Apple | OAuth authentication & payments | apple.com/legal/privacy |
We do not sell or provide your data to any other third parties.
Data Retention
We retain your data while your account is active. When you delete your account, all chat history, learning data, and profile information is permanently deleted. Voice recordings are deleted immediately after transcription.
Account Deletion
You can delete your account and all associated data at any time via Settings → Delete Account in the app. After deletion, you will no longer be able to sign in.
Children's Privacy
This app is not directed at children under 13. We do not knowingly collect personal information from children under 13.
Changes to This Policy
If we update this policy, we will post the changes on this page. For significant changes, we will notify you within the app.
Contact
For privacy-related questions, contact us at:
feedandchat@gmail.com