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privacy policy

last updated: october 19, 2025

introduction

GST calculator ("we", "our", or "us") is committed to protecting your privacy. this privacy policy explains how our mobile application handles your information.

information we collect

information stored locally on your device

our app stores the following data locally on your device only:

• calculation history
  • GST calculations you perform
  • amounts and GST breakup details
  • timestamps of calculations
• app preferences
  • GST rate settings (3%, 5%, 12%, 18%, 28%)
  • tax display mode preferences
  • app settings
• quick bills (kacha paper)
  • bill details you create
  • line items, quantities, and prices
  • customer information (if you choose to add it)

data we do NOT collect

• we do NOT collect any personal information
• we do NOT require user accounts or registration
• we do NOT send any data to our servers
• we do NOT use analytics or tracking tools
• we do NOT share any data with third parties
• we do NOT display advertisements

permissions

required permissions

• INTERNET
  • used only to open government GST websites in the GST tools section
  • no data from the app is transmitted over the internet

optional permissions

• READ_CONTACTS
  • used only if you choose to select customers from your contacts for quick bills
  • you can skip this and enter customer details manually
  • contact data is never sent anywhere; it's only used locally

data storage and security

• all data is stored locally on your device using Android's secure storage mechanisms
• data is never transmitted to external servers
• your data remains on your device and is under your control
• uninstalling the app will permanently delete all stored data

third-party services

government websites

the GST tools section provides links to official Indian government websites:

• GST portal (gst.gov.in)
• e-way bill portal (ewaybillgst.gov.in)

when you click these links, you are subject to those websites' privacy policies, not ours.

children's privacy

our app does not knowingly collect any information from children under 13. the app is designed for business and professional use.

changes to this privacy policy

we may update this privacy policy from time to time. we will notify you of any changes by updating the "last updated" date at the top of this privacy policy.

data deletion

you can delete your data at any time:

• clear calculation history from the history screen
• uninstall the app to remove all data permanently

contact us

if you have any questions about this privacy policy, please contact us at contact@indielabs.app