Privacy Policy for Bilimdon
Last updated: 2025-Oct-25
Introduction
Farkhod Dadajanov operates the Bilimdon mobile application (the “App”). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.
Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the App.
Developer: Farkhod
Email: virtualdars@gmail.com
Website: https://www.virtualdars.com
1. Audio Data (Microphone Access)
Our App uses your device’s microphone for the following purposes:
- Speech Recognition: To help you practice pronunciation and speaking in the language you’re learning
- Voice Input: To allow you to answer questions by speaking
Important:
- Audio recordings are processed locally on your device or sent to your device’s built-in speech recognition service
- We do NOT store, save, or transmit your audio recordings to our servers
- Audio is processed in real-time and immediately discarded after recognition
- You can deny microphone permission, but speech-related features will not work
2. Learning Progress Data
The App stores the following information locally on your device:
- Quiz scores and statistics: To track your learning progress
- Selected language preferences: To remember which language you’re learning
- Game settings: To save your preferred difficulty level and learning mode
- Question history: To show which questions you’ve answered
Storage: All learning data is stored locally on your device using SQLite database. This data is NOT sent to external servers.
We may access the following device features:
- Device audio system: For text-to-speech and playing audio lessons
- Device storage: To store learning progress and app data locally
- Device language settings: To determine your preferred language (if applicable)
We use the information we collect to:
- Provide App functionality: Enable speech recognition, text-to-speech, and quiz features
- Track learning progress: Remember your scores, completed lessons, and preferences
- Improve user experience: Remember your settings and preferences
- Provide language learning content: Deliver lessons, questions, and audio materials
Data Storage and Security
Local Storage
- All your learning data is stored locally on your device
- We use SQLite database for local storage
- Data remains on your device and is not transmitted to external servers
Security Measures
- Audio data is processed in real-time and not stored
- Local data is protected by your device’s security features
- We do not collect or transmit personal information to external servers
Data Retention
- Learning progress data remains on your device until you uninstall the App
- Audio recordings are not retained and are discarded immediately after processing
- You can clear app data through your device settings at any time
Third-Party Services
Device Speech Recognition
The App uses your device’s built-in speech recognition services (Google Speech Services on Android). When you use voice features:
- Audio may be processed by your device’s speech recognition service
- This is subject to your device manufacturer’s privacy policy
- You can review Google’s privacy policy at: https://policies.google.com/privacy
Device Text-to-Speech
The App uses your device’s built-in text-to-speech engine:
- Text is converted to speech locally on your device
- No text data is transmitted to external servers
Children’s Privacy
Our App does not knowingly collect personal information from children under 13. The App is designed for language learning and can be used by learners of all ages. Since we do not collect personal information or require account registration, the App is safe for children to use under parental supervision.
If you are a parent or guardian and believe your child has provided us with personal information, please contact us, and we will delete such information.
Your Rights and Choices
You have the following rights regarding your data:
Microphone Permission
- You can grant or deny microphone access in your device settings
- Denying microphone access will disable speech recognition features
- Other app features will continue to work normally
Delete Your Data
- Uninstall the App to remove all locally stored data
- Clear app data through device settings (Settings → Apps → Bilimdon → Storage → Clear Data)
Opt-Out of Data Collection
- Since we don’t collect or transmit personal data to servers, there is no data collection to opt out of
- All data remains local on your device
Data Sharing and Disclosure
We do NOT:
- Sell your personal information
- Share your data with third parties for marketing purposes
- Store your audio recordings
- Transmit your learning progress to external servers
We may disclose information only if:
- Required by law or legal process
- Necessary to protect our rights or safety
International Data Transfers
Since all data is stored locally on your device and not transmitted to servers, there are no international data transfers.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Updating the “Last updated” date at the top of this policy
- Displaying a notification in the App (if applicable)
Your continued use of the App after changes constitutes acceptance of the updated policy.
Analytics and Tracking
We do NOT use any analytics, tracking, or advertising services. No usage data is collected or transmitted.
Permissions Requested
Our App requests the following permissions:
| Permission |
Purpose |
Required |
| Microphone (RECORD_AUDIO) |
Speech recognition for speaking exercises |
Optional - only for speaking features |
| Storage (WRITE_EXTERNAL_STORAGE) |
Store learning progress locally |
Yes - required for app functionality |
| Internet (INTERNET) |
[Only if applicable - e.g., “Download additional content” OR “Not used - permission may be included by default”] |
[Yes/No] |
Legal Basis for Processing (GDPR Compliance)
If you are in the European Economic Area (EEA), our legal basis for processing your information is:
- Consent: You consent to microphone access for speech recognition
- Legitimate Interest: We have a legitimate interest in storing your learning progress to provide app functionality
- Contract Performance: To provide the language learning services you requested
Your GDPR Rights (For EEA Users)
If you are located in the EEA, you have the following rights:
- Right to Access: Request access to your personal data
- Right to Rectification: Request correction of your data
- Right to Erasure: Request deletion of your data (uninstall the app)
- Right to Restrict Processing: Request limitation of data processing
- Right to Data Portability: Request transfer of your data
- Right to Object: Object to data processing
- Right to Withdraw Consent: Withdraw consent at any time
California Privacy Rights (CCPA)
If you are a California resident, you have the right to:
- Know what personal information is collected
- Know whether personal information is sold or disclosed
- Say no to the sale of personal information
- Access your personal information
- Request deletion of your personal information
- Non-discrimination for exercising your rights
Note: We do not sell personal information.
Summary
What we collect:
- ✅ Audio (only during speech recognition, immediately discarded)
- ✅ Learning progress (stored locally on your device)
- ✅ App settings and preferences (stored locally)
What we DON’T collect:
- ❌ Personal information (name, email, etc.)
- ❌ Audio recordings (not stored or saved)
- ❌ Location data
- ❌ Contact information
- ❌ Photos or media files
Your data:
- 📱 Stays on your device
- 🔒 Is not transmitted to external servers
- 🗑️ Can be deleted by uninstalling the app
Acknowledgment: By using Bilimdon, you acknowledge that you have read and understood this Privacy Policy.