🛡️ Privacy Policy - Chemistry AI

Last updated: January 1, 2026**

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## 1. Introduction

This Privacy Policy describes how Math AI ("we", "us", "our") collects, uses, and protects your information when you use our mobile application.

By using our app, you agree to the terms of this policy. If you do not agree with any terms, please do not use the app.

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## 2. Information We Collect

### 2.1. Information You Provide

- Questions and math formulas you enter as text
- Photos of math formulas and equations you upload
- App settings (selected theme, interface language)
- Learning progress (studied flashcards, test results, statistics)
- AI-generated content (flashcards, quizzes, cheat sheets)

### 2.2. Information We DO NOT Collect

- Personal identification data (name, email address, phone number)
- Location data (GPS coordinates)
- Contacts from your address book
- Data from other apps on your device
- Files and documents unrelated to app usage
- Biometric data

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## 3. How We Use Collected Information

Collected information is used solely for the following purposes:

- Providing AI explanations of math formulas and problems through OpenAI API
- Analyzing photos of math formulas using computer vision technology
- Tracking your math learning progress
- Saving your test results and statistics
- Personalizing your learning experience
- Improving app functionality and performance
- Enabling content generation features (flashcards, quizzes, cheat sheets)

We do not use your data for:

- Advertising or marketing
- Sharing with third parties for commercial purposes
- Creating user profiles for sale

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## 4. Data Storage

### 4.1. Local Storage

All data is stored locally on your device using AsyncStorage technology. This includes:

- Chat history and messages
- Learning progress
- App settings
- AI-generated content

### 4.2. Third-Party Data Sharing

We share data with the following services only to provide app functionality:

- **OpenAI API (OpenAI, L.L.C.)** — to process your questions and photos for generating explanations. OpenAI processes data according to their Privacy Policy, available at: <https://openai.com/privacy/>. OpenAI provides the same or equal protection for the data we send as described in this Privacy Policy.
- **RevenueCat (RevenueCat, Inc.)** — for subscription management. RevenueCat processes data according to their Privacy Policy: <https://www.revenuecat.com/privacy>

**Important:** Your questions and photos are sent to OpenAI only for processing and are not stored on OpenAI servers after request completion (in accordance with OpenAI policy). We ask for your consent before sending any data to our AI provider (see in-app consent screen when you first use the Chat feature).

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## 5. Subscriptions and Payments

### 5.1. Payment Processing

The app uses the following systems for subscription processing:

- Apple In-App Purchases (for iOS devices)
- Google Play Billing (for Android devices)
- RevenueCat for subscription management

All payments are processed through respective platforms (Apple or Google). We do not have access to your payment data, including credit card numbers, bank details, or other financial information.

### 5.2. Subscription Information

RevenueCat may collect the following information for subscription management:

- Device identifier
- Subscription status information
- Transaction history (processed through Apple/Google)

This information is used solely to provide access to Pro version features.

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## 6. Your Rights

In accordance with applicable law (including GDPR for EU users), you have the following rights:

**6.1. Right to Access**  
You may request information about what data we store about you.

**6.2. Right to Deletion**  
You can delete all app data at any time by uninstalling the app from your device. All local data will be deleted with the app.

**6.3. Right to Withdraw Consent**  
You may stop using the app at any time, which will automatically stop data collection.

**6.4. Right to Cancel Subscription**  
You can cancel your subscription at any time through your device settings (Apple Settings for iOS or Google Play for Android).

**6.5. Right to File a Complaint**  
If you believe your data protection rights have been violated, you may file a complaint with the relevant supervisory authority.

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## 7. Data Security

We implement the following measures to protect your data:

- All data is stored locally on your device
- All requests to external APIs (OpenAI, RevenueCat) are made through secure HTTPS connections with TLS 1.2+ encryption
- We do not transmit data over unsecured channels
- Access to app data is limited to your device only
- We do not store data on external servers (except temporary transmission to OpenAI for processing)

However, no method of data transmission over the internet or electronic storage is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

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## 8. Children and Minors

Our app is intended for users aged 13 and older. We do not knowingly collect personal data from children under 13.

If you are a parent or guardian and believe your child under 13 has provided us with personal data, please contact us and we will delete such information.

For users aged 13 to 18, we recommend obtaining parental or guardian permission before using the app.

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## 9. International Data Transfer

Your data may be processed and stored on servers located outside your country of residence. Specifically:

- OpenAI processes data on servers located in various countries
- RevenueCat may process data on servers in the USA and other countries

By providing us with data, you consent to such international transfer. We take reasonable measures to ensure your data is processed in accordance with this Privacy Policy and applicable law.

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## 10. Changes to Privacy Policy

We reserve the right to update or change this Privacy Policy at any time. We will notify you of significant changes:

- Through app updates
- By posting the updated policy version in the app
- By changing the "Last updated" date at the beginning of the document

Continued use of the app after changes means you agree to the updated policy. We recommend periodically reviewing this policy.

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## 11. Contact Information

If you have questions, comments, or requests regarding this Privacy Policy or the processing of your data, please contact us:

**Email:** [email protected]

We will try to respond to your request within 30 days of receipt.

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## 12. Applicable Law

This Privacy Policy is governed by and construed in accordance with the laws of the country in which we operate.

For users from the European Union, the provisions of the General Data Protection Regulation (GDPR) apply.

For users from California, the provisions of the California Consumer Privacy Act (CCPA) apply.