Expense Tracker

Privacy Policy

Effective Date: May 19, 2026

Last Updated: May 19, 2026

Expense Tracker (“the App”) is developed by Zain Shahzad. The App helps users manage expenses, track finances, and collaborate through shared ledgers (“Shared Khata” features).

This Privacy Policy explains what information the App collects, how it is used, stored, and protected when you use the App.

By using Expense Tracker, you agree to the practices described in this Privacy Policy.

1. Information We Collect

Expense Tracker operates in two different modes:

a. Personal / Offline Mode

When using the App only for personal expense tracking:

  • Your data remains stored locally on your device.
  • We do not collect, transmit, or store your personal transactions on our servers.

This includes:

  • Expense entries
  • Budgets
  • Categories
  • Notes
  • Dates
  • Financial records

All such information stays on your device unless you explicitly use cloud-based shared features.

b. Shared Khata / Multiplayer Mode

When you create or join a shared ledger, the App uses cloud services to synchronize data between collaborators.

In this mode, the following information may be processed:

  • Shared book names
  • Collaborator display names
  • Customer names
  • Optional phone numbers
  • Transaction details (credit/debit records, amounts, notes, dates)
  • User attribution for entries
  • Anonymous Firebase Authentication User ID (UID)

This information is required for real-time synchronization and collaboration features.

2. Advertising and AdMob

Expense Tracker contains advertisements provided by Google AdMob.

AdMob may automatically collect certain information to provide personalized or non-personalized ads, including:

  • Device identifiers
  • Advertising ID
  • IP address
  • Device type
  • Operating system information
  • App interaction data

Google may use this data in accordance with its own privacy policies.

Learn more about how Google handles data here:

Users may manage ad personalization settings through their Google account or device settings.

3. Data Storage

Local Storage

Personal expense data is stored locally on your device using on-device databases/storage systems.

Cloud Storage

Shared Khata data is securely stored using:

  • Google Firebase Realtime Database
  • Google Firebase Authentication

These services enable secure synchronization between collaborators.

4. Third-Party Services

Expense Tracker may use trusted third-party services, including:

  • Google Firebase
  • Google AdMob
  • Google Play Services

These services may collect and process information according to their own privacy policies.

More information: Firebase Privacy Information

5. Data Security

We take reasonable security measures to protect your information.

Security measures include:

  • Encrypted communication using SSL/TLS
  • Firebase database security rules
  • Access restrictions for shared ledgers
  • Authentication-based synchronization

However, no method of electronic transmission or storage is 100% secure, and absolute security cannot be guaranteed.

Users are responsible for securing access to their own devices.

6. Your Rights and Controls

You maintain control over your data.

Personal Data

You may delete locally stored data by:

  • Clearing app storage
  • Using in-app reset features
  • Uninstalling the App

Shared Data

Shared ledger data may be removed by deleting transactions or customer records within the shared book.

Leaving Shared Books

You may leave shared ledgers at any time. After leaving, your device association with that shared book will be removed.

7. Permissions Used

Expense Tracker may request the following permissions depending on enabled features:

PermissionPurpose
Internet AccessCloud synchronization and ads
NotificationsBudget reminders and alerts
CameraReceipt photo attachments
Storage / File AccessBackup/export functionality on supported Android versions

The App only requests permissions necessary for core functionality.

8. Children's Privacy

Expense Tracker is not intended for children under the age of 13.

We do not knowingly collect personal information from children. If you believe a child has provided personal information through the App, please contact us so appropriate action can be taken.

9. Changes to This Privacy Policy

This Privacy Policy may be updated periodically to reflect:

  • Feature updates
  • Legal requirements
  • Security improvements
  • Changes in advertising or analytics services

When updates are made, the “Last Updated” date will be revised.

Continued use of the App after changes means you accept the updated policy.

10. Contact Information

If you have questions about this Privacy Policy or the App, you may contact:

Zain Shahzad
📧 bluexmonster80@gmail.com