Last updated: 29/06/2025
## 1. Introduction
Calculator Vault ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application Calculator Vault (the "App").
## 2. Information We Collect
### 2.1 Personal Information You Provide
- **Security Credentials**: Password and security question/answer you create to access the vault
- **File Metadata**: Names, sizes, and types of files you store in the vault
### 2.2 Automatically Collected Information
- **Device Information**: Device model, operating system version, unique device identifiers
- **Usage Data**: App interactions, features used, crash reports
- **Advertising Data**: Information collected by our advertising partners (see Section 4)
### 2.3 File Storage
- **Local Storage**: Photos, videos, documents, and notes are stored locally on your device in encrypted format
- **No Cloud Sync**: Your vault contents are never uploaded to our servers or cloud services
## 3. How We Use Your Information
We use collected information to:
- Provide and maintain the app's functionality
- Secure your vault with encryption
- Display relevant advertisements
- Improve app performance and user experience
- Comply with legal obligations
## 4. Third-Party Services and Advertising
### 4.1 Google AdMob
Our app uses Google AdMob to display advertisements. AdMob may collect and process personal data including:
- Device information and identifiers
- Location data (approximate)
- Usage and interaction data
- Advertising preferences
**Legal Basis (GDPR)**: Legitimate interest for advertising, with your consent where required.
**Data Retention**: AdMob retains data according to Google's retention policies.
**Your Rights**: You can opt out of personalized advertising in your device settings or through Google's ads settings.
### 4.2 Google Analytics for Firebase (if applicable)
We may use Firebase Analytics to understand app usage patterns. This service collects:
- App usage statistics
- Crash reports
- Device information
## 5. Data Security
We implement appropriate security measures to protect your information:
- **Encryption**: All vault files are encrypted using AES-256 encryption
- **Local Storage**: Your vault contents remain on your device only
- **Secure Authentication**: Password and security question are stored using Android's secure storage mechanisms
## 6. Your Rights Under GDPR
If you are a resident of the European Economic Area (EEA), you have the following rights:
### 6.1 Right of Access
You can request information about the personal data we process about you.
### 6.2 Right to Rectification
You can request correction of inaccurate personal data.
### 6.3 Right to Erasure
You can request deletion of your personal data by uninstalling the app and clearing app data.
### 6.4 Right to Restrict Processing
You can request restriction of processing under certain circumstances.
### 6.5 Right to Data Portability
You can export your vault contents (photos, videos, documents, notes) at any time.
### 6.6 Right to Object
You can object to processing based on legitimate interests, including advertising.
### 6.7 Right to Withdraw Consent
You can withdraw consent for data processing at any time through app settings or device settings.
## 7. Consent for Advertising
### 7.1 EU/EEA Users
Upon first launch, EU/EEA users will see a consent dialog for:
- Personalized advertising
- Analytics data collection
- Third-party data sharing
### 7.2 Managing Consent
You can manage your advertising preferences:
- **In-App**: Through app settings menu
- **Device Settings**: Android advertising preferences
- **Google Settings**: [Google Ads Settings](https://adssettings.google.com/)
## 8. Children's Privacy
Our app is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you are a parent and believe your child has provided us with personal information, please contact us.
## 9. International Data Transfers
Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place for such transfers, including:
- Standard Contractual Clauses (SCCs)
- Adequacy decisions by the European Commission
- Other lawful transfer mechanisms
## 10. Data Retention
- **Vault Contents**: Stored locally until you delete them or uninstall the app
- **Security Credentials**: Stored until you change them or uninstall the app
- **Advertising Data**: Retained according to AdMob's retention policies
- **Analytics Data**: Retained for up to 26 months
## 11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Posting the new Privacy Policy in the app
- Updating the "Last updated" date
- Requiring re-consent for material changes affecting EU/EEA users
## 12. Contact Us
If you have questions about this Privacy Policy or want to exercise your rights, contact us:
**Email**: myth146@gmail.com
**Subject**: Calculator Vault Privacy Inquiry
For EU/EEA residents, you also have the right to lodge a complaint with your local data protection authority.
## 13. Legal Basis for Processing (GDPR)
We process personal data under the following legal bases:
- **Contract Performance**: To provide app functionality you've requested
- **Legitimate Interest**: For advertising, analytics, and app improvement
- **Consent**: For personalized advertising and optional features
- **Legal Obligation**: To comply with applicable laws
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This Privacy Policy is effective as of the date stated above and applies to all users of the Calculator Vault app.