Privacy Policy - HamJot

Effective Date: September 27, 2025

Introduction

HamJot ("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 HamJot (the "App").

Information We Collect

Personal Information

We may collect personally identifiable information that you voluntarily provide to us when you:

• Create an account using email and password
• Add transaction descriptions and notes
• Set up budgets and categories
• Contact us for support

This includes:

• Email address (for account creation and authentication)
• Transaction data (amounts, descriptions, categories, dates)
• Budget information (spending limits, category preferences)
• Device preferences and app settings

Automatically Collected Information

When you use HamJot, we may automatically collect:

• Device information (model, operating system version, unique device identifiers)
• Usage analytics (features used, session duration, crash reports)
• Transaction categorization patterns (to improve AI suggestions)
• App performance data

Third-Party Data

We may receive information from:

• Firebase (Google) for authentication and cloud storage
• AI categorization services for transaction classification
• Google Sheets API (when you export your data)

How We Use Your Information

We use your information to:

• Provide secure account authentication via Firebase
• Store and sync your financial data across devices
• Improve AI-powered transaction categorization
• Generate spending reports and budget tracking
• Export your data to Google Sheets (when requested)
• Send automated expense reports (if enabled)
• Provide customer support
• Improve app functionality and user experience

Information Sharing and Disclosure

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

• Firebase/Google Cloud: Your encrypted financial data is stored securely on Google's Firebase platform
• AI Processing: Transaction descriptions may be processed by AI services for categorization (data is anonymized)
• Google Sheets: When you choose to export data, it's sent directly to your personal Google Sheets
• Legal requirements: When required by law or to protect our rights
• With your explicit consent: For any other sharing purposes

Third-Party Services

HamJot integrates with these services:

Firebase (Google)

• Purpose: Authentication, database storage, cloud sync
• Data shared: Email, encrypted transaction data, app usage
• Privacy Policy: https://firebase.google.com/support/privacy

AI Categorization Services

• Purpose: Suggest transaction categories based on descriptions
• Data shared: Anonymized transaction descriptions only
• Data retention: Processed data is not stored by AI services

Google Sheets API

• Purpose: Export your financial data when requested
• Data shared: Your transaction and budget data (only when you export)
• Control: You control what data is exported and when

Data Security

We implement industry-standard security measures:

• All data is encrypted in transit and at rest
• Firebase provides enterprise-grade security
• Local device storage uses secure keychain/keystore
• No financial account numbers or banking credentials are stored
• Regular security audits and updates

Data Retention

• Active accounts: Data retained while account is active
• Account deletion: All data permanently deleted within 30 days
• Offline data: Local data cleared when app is uninstalled
• Exported data: Data in your Google Sheets is under your control

Your Rights and Controls

You have complete control over your financial data:

• Access: View all your data within the app
• Modify: Edit or delete any transactions or budgets
• Export: Download your data to Google Sheets anytime
• Delete: Permanently delete your account and all data
• Offline mode: Use the app without cloud sync if preferred

To exercise these rights or delete your account, contact us at [email protected].

Children's Privacy

HamJot is not intended for children under 13. We do not knowingly collect financial information from children under 13. If we become aware of such collection, we will immediately delete the information.

International Data Transfers

Your data may be stored and processed in the United States through Firebase's global infrastructure. Firebase complies with international data protection standards including GDPR.

Changes to This Privacy Policy

We may update this Privacy Policy to reflect changes in our practices or legal requirements. We will notify you of significant changes through:

• In-app notifications
• Email notification to your registered address
• Updated "Effective Date" at the top of this policy

Continued use of the app after changes constitutes acceptance of the updated policy.

Last updated: September 27, 2025