Monopoly Systems

Effective Date: October 21, 2025 Last Updated: October 21, 2025

Overview

At Monopoly Systems, we are committed to protecting your privacy and giving you control over your financial data. This Privacy Policy explains how MonoBudget (“we,” “our,” or “us”) collects, uses, processes, and shares information when you use our mobile application and related services (collectively, the “Service”).

MonoBudget is designed as a privacy-first personal budgeting and expense tracking solution. We believe in transparency and want you to understand exactly what data we collect and how we use it to provide you with the best financial management experience.

Information We Collect

1. Account Information

When you create a MonoBudget account, we collect:

  • Email address (for account creation and authentication via Firebase)
  • Password (securely hashed and stored by Firebase Authentication)
  • User ID (automatically generated unique identifier)
  • Account creation and last login timestamps

2. Financial Data

To provide budgeting and expense tracking services, we collect:

  • Expense records: transaction names, amounts, dates, and categories
  • Budget information: budget limits and periods you set
  • Category data: custom expense categories and associated icons you create
  • Financial summaries: calculated totals, trends, and analytics derived from your input

3. Technical Information

We automatically collect certain technical information:

  • Device information: device type, operating system version
  • App usage data: features used, session duration, crash reports
  • Network connectivity status (to sync data across devices)
  • App version and build information

4. Optional Data

You may choose to provide:

  • Profile information: custom avatar or display preferences
  • Export preferences: file format choices for data export
  • Language preferences: for internationalization features

How We Use Your Information

We use the collected information to:

Core Service Functionality

  • Authenticate your account and provide secure access
  • Store and sync your financial data across devices
  • Calculate financial summaries and generate spending insights
  • Provide expense categorization and budget tracking features
  • Generate reports and analytics to help you understand your spending patterns

Service Improvement

  • Analyze app usage patterns to improve user experience
  • Diagnose and fix technical issues and crashes
  • Develop new features based on user needs
  • Ensure service security and stability

Communication

  • Send important service updates and security notifications
  • Provide customer support when you contact us
  • Notify you of changes to our privacy policy or terms of service

Data Storage and Security

Storage Infrastructure

  • Authentication: Firebase Authentication (Google Cloud Platform)
  • Database: MongoDB with Prisma ORM for secure data management
  • API: NestJS backend with secure HTTPS/TLS connections
  • Local Storage: Local caching for offline functionality

Security Measures

  • Secure data transmission over HTTPS/TLS connections
  • Secure authentication with Firebase industry-standard protocols
  • Access controls limiting employee access to user data
  • Regular security audits and vulnerability assessments
  • Data backup and recovery procedures to prevent data loss

Data Retention

  • Active accounts: Data retained while your account is active
  • Account deletion: Data permanently deleted within 30 days of account deletion
  • Inactive accounts: Accounts inactive for 2+ years may be archived with advance notice
  • Legal requirements: Some data may be retained longer if required by law

Data Sharing and Disclosure

We DO NOT sell, trade, or rent your personal financial information to third parties. We may share limited information only in these circumstances:

Service Providers

  • Firebase/Google Cloud: For authentication and infrastructure services
  • MongoDB Atlas: For secure database hosting (under data processing agreements)
  • Legal obligations: When required by law, court order, or government request
  • Safety and security: To protect our users, services, or the public from harm
  • Business transfers: In connection with mergers, acquisitions, or asset sales (with advance notice)

Your Rights and Choices

You have the following rights regarding your personal information:

Access and Control

  • Account access: View and manage your account information
  • Data export: Download your financial data in standard formats (CSV, JSON)
  • Data deletion: Request permanent deletion of your account and all associated data
  • Correction: Update or correct your personal information

Privacy Controls

  • Sync settings: Control data synchronization across devices
  • Notification preferences: Manage email and push notifications
  • Data sharing: Opt-out of optional data collection for service improvement

Exercising Your Rights

To exercise these rights:

  • In-app: Use settings and account management features
  • Email: Contact us at info@monopolysystems.com
  • Response time: We will respond within 30 days of your request

Children’s Privacy

MonoBudget is not intended for use by children under 13 years of age. We do not knowingly collect personal information from children under 13. If we discover that we have collected information from a child under 13, we will promptly delete such information.

International Data Transfers

MonoBudget operates globally and may transfer your information to countries other than where you reside. When we transfer data internationally, we ensure adequate protection through:

  • Standard contractual clauses approved by relevant authorities
  • Adequacy decisions where available
  • Security measures and protocols during transfer and storage

Changes to This Privacy Policy

We may update this Privacy Policy periodically to reflect changes in our practices or applicable laws. When we make changes:

  • Notification: We will notify you via email or in-app notification
  • Effective date: Changes take effect 30 days after notification
  • Continued use: Your continued use of MonoBudget constitutes acceptance of the updated policy

Contact Information

For questions, concerns, or requests related to this Privacy Policy:

Monopoly Systems Email: info@monopolysystems.com Website: https://monopolysystems.com/products/monobudget Support: https://monopolysystems.com/contact/

For data protection inquiries in the EU, you may also contact your local data protection authority.

Data Protection Officer

For significant privacy concerns or data protection matters:

Email: info@monopolysystems.com Response time: 5-7 business days


This Privacy Policy is designed to be transparent and comprehensive. We encourage you to read it carefully and contact us with any questions. Your privacy and trust are fundamental to our service.