NumisMan - Privacy Policy
Last Updated: January 13, 2026
1. Introduction
Welcome to NumisMan. This Privacy Policy explains how we collect, use, and protect your information when you
use our commemorative coin collection management application.
NumisMan ("we", "our", or "us") is committed to protecting your privacy. This policy applies to all users of
the NumisMan mobile application.
2. Information We Collect
2.1 Account Information
When you create an account, we collect:
- Email address (for authentication and account recovery)
- Display name (optional)
- Profile picture (if you choose to sign in with Google)
2.2 Collection Data
We store information you provide about your coin collection:
- Coins marked as owned, wishlist, or available for swap
- Personal notes about specific coins
- Purchase prices and dates (if you choose to add them)
- Collection statistics and preferences
2.3 App Usage Data
We may collect basic usage information to improve the app:
- Device type and operating system version
- App version and settings preferences
- Crash reports and error logs (anonymous)
2.4 Authentication Data
If you sign in with Google:
- We use Google authentication services to verify your identity
- We receive your Google profile information (email, name, profile picture)
- Your Google credentials are never stored on our servers
3. How We Use Your Information
We use the collected information for the following purposes:
- Account Management: To create and manage your account, authenticate your access
- Data Synchronization: To sync your collection across devices using cloud storage
- App Functionality: To provide core features like collection tracking, statistics, and
PDF exports
- Communications: To send password reset emails and important account notifications
- Improvements: To analyze app usage patterns and fix bugs
4. Data Storage and Security
4.1 Where We Store Your Data
- Your collection data is stored securely in Google Firebase Cloud Firestore
- Data is encrypted in transit using HTTPS/TLS protocols
- Cloud data is stored in accordance with Google Cloud's security standards
4.2 Local Storage
- A copy of your collection may be stored locally on your device for offline access
- Local data is protected by your device's security features
4.3 Security Measures
We implement industry-standard security practices:
- Firebase Authentication for secure user access
- Encrypted data transmission
- Regular security updates and patches
- Access controls and permission systems
5. Data Sharing and Third Parties
We do not sell your personal information to third parties.
Third-Party Services We Use:
These services have their own privacy policies and we recommend reviewing them.
6. Your Rights and Choices
6.1 Access and Control
You have the right to:
- Access: View all your collection data within the app
- Export: Export your collection as a PDF document
- Modify: Edit or delete individual coins and notes
- Delete: Reset your entire collection from Settings
6.2 Account Deletion
You can request complete account deletion by:
- Signing out from the app Settings
- Contacting us at the email below
Upon account deletion, all your personal data and collection information will be permanently removed from our
servers within 30 days.
7. Children's Privacy
NumisMan is not intended for children under 13 years of age. We do not knowingly collect personal information
from children. If you believe we have inadvertently collected information from a child, please contact us
immediately.
8. Data Retention
- We retain your account and collection data for as long as your account is active
- If you delete your account, data will be removed within 30 days
- Anonymized usage data may be retained for analytical purposes
9. International Data Transfers
Your data may be stored on servers located in different countries as part of Google Cloud infrastructure. By
using NumisMan, you consent to the transfer of your information to these locations, which may have different
data protection laws than your country.
10. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. When we make changes:
- We will update the "Last Updated" date at the top
- Significant changes will be communicated through the app or via email
- Continued use of the app after changes constitutes acceptance
11. Your Consent
By using NumisMan, you consent to this Privacy Policy and agree to its terms.