Privacy Policy
Effective date: April 3, 2026
Last updated: April 3, 2026
Applies to: Kaikun AI — Web platform (kaikun.io) & Mobile app (Android / iOS)
We are transparent about how we handle your information. This Privacy Policy explains what data Kaikun AI collects, why we collect it, how it is used, and your rights regarding your data.
Table of Contents
- Information We Collect
- How We Use Your Information
- Third-Party Services
- Data Sharing & Disclosure
- Data Retention
- Your Rights
- Account Deletion
- Children's Privacy
- Security
- Changes to This Policy & Contact
1. Information We Collect
1.1 Account Information
When you register or sign in, we collect:
- Your name and email address
- Profile picture (if provided via social sign-in)
- Authentication method: Google, Facebook, Apple, or local email/password
- Account creation date and last login timestamp
1.2 AI Chat Content
When you use AI chat features (Claude, Gemini, GPT, DeepSeek), we collect:
- The messages and prompts you submit
- The AI-generated responses returned to you
- Conversation history (to provide context across sessions)
Your prompts are transmitted to the relevant AI provider to generate responses. Please do not include sensitive personal information (such as passwords, financial account numbers, or medical details) in your chat messages.
1.3 Audio Recordings — Sensitive Data
When you use the Meeting Recording feature:
- Audio data is captured from your device microphone
- Audio is transmitted to Soniox for transcription processing
- The resulting transcript is returned and stored in your account
Audio recordings and transcriptions are classified as sensitive data. We request explicit permission before accessing your microphone. You may disable microphone access at any time via your device settings.
1.4 Image Generation Prompts
When you use the Studio feature (Nano Banana, Stable Diffusion, GPT Image):
- Text prompts you enter for image generation
- Generated images stored in your gallery
1.5 Purchase & Payment Information
When you purchase a subscription or coin package:
- Subscription type (Weekly, Monthly, or Annual Pro)
- Coin package purchased (50,000 / 200,000 / 500,000 coins)
- Transaction history and coin balance
- Purchase timestamps and renewal dates
We do not store raw credit card numbers, bank account details, or full payment credentials. All payment processing is handled by our payment providers (Stripe, ZaloPay, RevenueCat). Please refer to their respective privacy policies for details on how payment data is handled.
1.6 Device Information
We automatically collect:
- Device type and model
- Operating system and version
- App version
- Advertising ID (Android) — used solely for internal analytics, not for ad targeting
- Push notification token
- Crash logs and error reports
1.7 Usage Data
We collect anonymized usage data to improve our service:
- Features accessed and frequency of use
- Session duration
- Coin consumption per feature
- In-app navigation patterns
We do not collect precise geolocation data. We do not sell your personal data to any third party.
2. How We Use Your Information
We use the information we collect to:
- Provide the service — operate AI chat, image generation, and meeting recording features
- Authenticate your identity — via Google, Facebook, Apple, or email/password sign-in
- Process AI requests — forward your prompts to the relevant AI provider and return responses
- Transcribe recordings — send audio to Soniox and return the resulting transcript to you
- Manage purchases — process subscriptions and coin packages, track your coin balance
- Send notifications — transactional messages such as purchase confirmations and low coin alerts
- Ensure security — detect, prevent, and respond to fraud, abuse, and unauthorized access
- Improve the service — analyze anonymized usage data to fix bugs and improve features
- Comply with the law — meet applicable legal and regulatory obligations
3. Third-Party Services
To deliver our features, we share certain data with the following trusted third-party services. Each operates under its own privacy policy.
AI Model Providers
| Service | Purpose | Data shared |
|---|---|---|
| Anthropic (Claude) | AI chat responses | Chat prompts |
| Google (Gemini) | AI chat responses | Chat prompts |
| OpenAI (GPT / GPT Image) | AI chat & image generation | Chat prompts, image prompts |
| DeepSeek | AI chat responses | Chat prompts |
Studio / Image Generation
| Service | Purpose | Data shared |
|---|---|---|
| Stability AI (Stable Diffusion) | Image generation | Image prompts |
| Nano Banana | Image generation | Image prompts |
Meeting Transcription
| Service | Purpose | Data shared |
|---|---|---|
| Soniox | Speech-to-text transcription | Audio recordings |
Soniox processes audio solely for transcription. Audio data is not used for training, profiling, or advertising purposes.
Payments & Purchases
| Service | Platform | Purpose | Data shared |
|---|---|---|---|
| RevenueCat | Mobile (Android & iOS) | In-app purchase management | Purchase receipts, subscription status |
| Stripe | Web | Payment processing | Payment tokens, transaction data |
| ZaloPay | Web (Vietnam) | Payment processing | Payment tokens, transaction data |
Authentication
| Service | Purpose | Data shared |
|---|---|---|
| Google OAuth | Sign-in with Google | Auth token, basic profile |
| Facebook Login | Sign-in with Facebook | Auth token, basic profile |
| Sign in with Apple | Sign-in with Apple | Auth token, basic profile |
Analytics & Infrastructure
| Service | Purpose | Data shared |
|---|---|---|
| Firebase / Google Analytics | App performance, crash reporting | Anonymized usage events |
4. Data Sharing & Disclosure
We do not sell, rent, or trade your personal information.
We may disclose your information only in the following circumstances:
- Service delivery — to the third-party providers listed in Section 3, strictly to provide the requested feature
- Legal obligations — to comply with applicable law, regulation, court order, or governmental request
- Safety — to protect the rights, property, or safety of Kaikun AI, our users, or the public
- Business transfer — in connection with a merger, acquisition, or sale of assets. You will be notified before your personal data is transferred and becomes subject to a different privacy policy
5. Data Retention
| Data type | Retention period |
|---|---|
| Account data | Retained while your account is active |
| AI chat history | Retained until you delete it, or until account deletion |
| Audio recordings & transcripts | 30 days after creation, then automatically deleted unless saved |
| Generated images | Retained in your gallery until you delete them |
| Purchase & transaction records | 7 years (accounting and legal compliance) |
| Crash logs & error reports | 90 days |
| Anonymized analytics | Up to 24 months |
Upon account deletion, all personal data is permanently deleted within 30 days, except records we are legally required to retain (e.g., transaction records).
6. Your Rights
Depending on your jurisdiction, you may have the following rights regarding your personal data:
- Access — request a copy of the personal data we hold about you
- Rectification — request correction of inaccurate or incomplete data
- Erasure — request deletion of your personal data ("right to be forgotten")
- Portability — receive your data in a structured, machine-readable format
- Restriction — request that we limit how we process your data
- Objection — object to processing based on our legitimate interests
- Withdraw consent — withdraw consent at any time where processing is based on consent
To exercise any of these rights, contact us at [email protected]. We will acknowledge your request within 5 business days and respond fully within 30 days.
EU / EEA Users (GDPR)
If you are located in the European Union or European Economic Area, you have additional rights under the General Data Protection Regulation (GDPR), including the right to lodge a complaint with your local data protection authority.
Our legal bases for processing personal data are:
- Contract performance — to provide the service you signed up for
- Legitimate interests — for analytics, security, and service improvement
- Consent — for audio recording and any optional data processing
- Legal obligation — for transaction records and compliance
US Users (CCPA / State Privacy Laws)
If you are a California resident or resident of another US state with applicable privacy laws, you have the right to know what personal information we collect, the right to delete it, and the right to opt out of sale (we do not sell personal data).
7. Account Deletion
You can delete your account at any time:
In the app: Settings → Account → Delete account
By email: Send a deletion request to [email protected] with the subject line "Account Deletion Request" and the email address associated with your account.
Upon deletion:
- All personal data (account info, chat history, generated images, recordings) will be permanently deleted within 30 days
- Your coin balance and subscription will be cancelled with no refund for unused coins or remaining subscription period
- Transaction records required for legal or tax compliance will be retained for the legally required period
8. Children's Privacy
Kaikun AI is not directed at children under the age of 13 (or 16 in the European Union). We do not knowingly collect personal data from children below these ages.
If you are a parent or guardian and believe your child has provided us with personal data, please contact us at [email protected]. We will promptly delete the information upon verification.
9. Security
We take the security of your data seriously. Our measures include:
- HTTPS / TLS encryption for all data in transit
- Encrypted storage for sensitive data at rest
- Access controls limiting data access to authorized personnel only
- Regular security reviews and vulnerability assessments
However, no method of transmission over the internet or electronic storage is 100% secure. We encourage you to use a strong, unique password and to contact us immediately at [email protected] if you suspect any unauthorized access to your account.
10. Changes to This Policy & Contact
We may update this Privacy Policy from time to time to reflect changes in our practices or applicable law. When we make material changes, we will:
- Update the "Last updated" date at the top of this page
- Notify you via in-app notification or email
Continued use of Kaikun AI after the updated policy takes effect constitutes your acceptance of the revised policy.
Contact us
For any questions, requests, or concerns regarding this Privacy Policy:
- Email: [email protected]
- Website: kaikun.io/privacy
© 2026 Kaikun AI. All rights reserved.