Privacy Policy for JEVIQ – GST Invoice & Business Suite

Last updated: July 14, 2026

Sinarix Technologies ("we," "us," or "our") operates the JEVIQ – GST Invoice & Business Suite mobile application (the "App"). This Privacy Policy explains how we handle information when you use the App.

1. Our Core Data Principle

JEVIQ is built as a local-first application. Your business data — invoices, clients, products, expenses, and business profile information — is stored directly on your device and is not transmitted to, or stored on, any server operated by us. We do not operate a backend server that stores your business data.

2. Information We Collect

2.1 Information You Provide (Stored Locally on Your Device)

When you use JEVIQ, you may enter the following information, which is stored only in the App's local database on your device:

• Business profile information (business name, GSTIN, address, logo, invoice prefix)
• Client information (names, addresses, GSTIN, contact details)
• Product/inventory information (names, prices, GST rates, HSN codes, stock levels)
• Invoice and expense records
• Payment status and notes you add

We do not collect, receive, or have access to this information unless you explicitly choose to back it up as described below.

2.2 Optional Google Drive Backup

If you choose to enable backup, JEVIQ uses Google Sign-In to connect to your own Google Drive account and stores a backup file there using Google's restricted drive.file scope. This means:

• JEVIQ can only access files it creates itself in your Drive — it cannot see, read, or modify any other files in your Google Drive.
• The backup file is stored in your Google account, under your control, not on any server we operate.
• You can delete this backup at any time from your own Google Drive.
• This feature is entirely optional. The App is fully usable without ever signing in to Google.

2.3 Automatically Collected Information

We use the following third-party services, which may collect limited technical information as described below:

Firebase Crashlytics — collects crash reports and diagnostic logs to help us identify and fix bugs. This may include device model, OS version, and app crash stack traces. It does not include your business data (invoices, client details, etc.).

Firebase Analytics — collects anonymous, aggregated usage information (e.g., which screens are used, general app engagement) to help us understand how the App is used and improve it. This data is not linked to your business records.

Google AdMob — if you are using the Free version of the App, AdMob may display banner advertisements and may collect an advertising identifier and other technical data as permitted by Google's own privacy policies, in order to serve ads. AdMob ads are not shown to Pro subscribers.

Google Play Billing — if you purchase a Pro subscription, the transaction is processed entirely by Google Play. We do not receive or store your payment card details. We only receive confirmation of your subscription status (active/inactive) to unlock Pro features.

2.4 Permissions We Request

JEVIQ requests the following Android permissions, and no others:

• Internet access — required for optional Google Drive backup, Firebase services, AdMob, and Google Play Billing.
• Notifications — used to show local reminders (e.g., due-soon invoice alerts, low-stock alerts) generated entirely on your device.

JEVIQ does not request camera, contacts, location, microphone, or broad storage/file-system access permissions.

3. How We Use Information

Any information collected as described above (crash logs, anonymous analytics, advertising identifiers, subscription status) is used solely to:

• Diagnose and fix technical issues
• Understand general app usage patterns to improve the App
• Serve advertisements (Free tier only)
• Verify and manage your Pro subscription entitlement

We do not sell your information. We do not share your business data (invoices, client records, GSTIN, financial information) with any third party, because that data never leaves your device unless you choose to back it up to your own Google Drive.

4. Sharing Invoices

When you use the App's share feature (e.g., to send an invoice PDF via WhatsApp, email, or print), the App uses your device's native sharing system to hand the file to the app you choose. We do not intercept, collect, or store a copy of what you share.

5. Data Retention and Deletion

• Your business data remains on your device for as long as the App is installed, or until you delete it within the App.
• Deleted invoices, clients, products, and expenses are held in a "Recently Deleted" area for 30 days (allowing recovery), after which they are permanently and automatically erased from your device.
• Uninstalling the App permanently deletes all locally stored data, unless you have a Google Drive backup, which you control separately.
• You may delete your optional Google Drive backup at any time from your Google Drive account, independent of the App.

6. Children's Privacy

JEVIQ is a business tool intended for use by adults operating a business. We do not knowingly collect information from children under 18. If you believe a child has provided us information through the App, please contact us using the details below.

7. Data Security

Your business data is stored locally on your device using Android's standard app-sandboxed storage. We take reasonable technical measures to protect data transmitted for optional features (Drive backup, Firebase, Billing), including the use of encrypted (HTTPS) connections for all network communication. No method of storage or transmission is 100% secure, and we cannot guarantee absolute security.

8. Your Rights and Choices

You can, at any time:

• Use the App entirely offline without any account or sign-in
• Choose not to enable Google Drive backup
• Delete any or all of your data directly within the App
• Disconnect Google Drive access via your Google Account settings
• Uninstall the App to remove all local data

9. Third-Party Services

This App uses the following third-party services, each governed by their own privacy policies:

• Google Firebase (Crashlytics, Analytics): https://firebase.google.com/support/privacy
• Google AdMob: https://policies.google.com/technologies/ads
• Google Play Billing / Google Play Services: https://policies.google.com/privacy
• Google Drive API: https://developers.google.com/drive/api/guides/api-specific-terms

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last updated" date. Continued use of the App after changes constitutes acceptance of the updated policy.

11. Contact Us and Grievance Redressal

If you have any questions, concerns, or complaints about this Privacy Policy or how your personal information is handled, you may contact us using the details below.

Sinarix Technologies
Email: support@jeviq.app

In accordance with applicable Indian data protection law, the following person serves as the Grievance Officer for matters relating to personal data processed through the App:

Grievance Officer: Arun Kumar
Email: support@jeviq.app

We will acknowledge and address grievances submitted to the Grievance Officer within a reasonable time, and in any case within the timelines required under applicable law.