Privacy Policy

CashBackStacks ("we," "us," or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website at cashbackstacks.com and our browser extension (collectively, the "Service").

By using the Service, you consent to the data practices described in this policy. If you do not agree with our practices, please do not use the Service.

2.1 Account Information (You Provide)

When you create an account via Google Sign-In, we collect:

• Email address - Used for account identification and notifications
• Display name - Shown in your profile (from Google)

2.2 Subscription & Billing Data

If you subscribe to Premium, the following is processed by our payment processor:

• Customer ID (stored in our database)
• Subscription status and billing cycle
• Payment method (stored securely by the payment processor - we never see your full card number)

2.3 User-Generated Data

Data you create while using the Service:

• Watchlist items - Stores and products you choose to track
• Credit cards - Card names you add for reward matching (NOT card numbers)
• Alert settings - Your notification preferences and thresholds
• Referral information - Your referral code and any claims submitted

2.4 Extension Data (Automatically Collected)

When you use the browser extension:

• Current website domain - To detect if you're on a shopping site and show relevant rates
• Extension preferences - Display mode, widget position, etc. (stored locally on your device)
• Cached rate data - Stored locally to improve performance

2.5 Website Analytics (Automatically Collected)

Standard web analytics including:

• Pages visited and time spent
• Referral source
• Device type and browser
• IP address (for security and abuse prevention)

2.6 What We Do NOT Collect

We use your information to:

• Provide the Service - Display cashback rates, manage your watchlist, send alerts
• Process payments - Handle subscriptions through our payment processor
• Send notifications - Browser and email alerts for rate/price changes (per your settings)
• Improve the Service - Analyze usage patterns to enhance features
• Prevent abuse - Detect and prevent fraudulent activity
• Provide support - Respond to your inquiries via the contact form

4.1 Service Providers

We use enterprise-grade third-party service providers to help operate the Service, including providers for authentication, cloud infrastructure, payment processing, and email delivery. These providers only receive the minimum data necessary to perform their functions and are contractually obligated to protect your information.

4.2 What We Do NOT Do

• We do NOT sell your personal information to anyone
• We do NOT share data with advertisers
• We do NOT use your data for unrelated marketing purposes

4.3 Legal Requirements

We may disclose your information if required by law, court order, or government request, or if necessary to protect our rights, safety, or property.

5.1 Where Data is Stored

• Account data: Enterprise-grade cloud servers in the United States
• Payment data: PCI-compliant payment processor servers
• Extension data: Locally on your device

5.2 How Long We Keep Data

• Account data: Retained until you delete your account
• Watchlist and alerts: Retained until you remove them
• Local extension data: Cleared when you uninstall the extension

We implement industry-standard security measures:

• Encryption: All data transmitted via HTTPS
• Authentication: Secure OAuth sign-in (no password storage)
• Database security: Security rules restrict data access to authorized users only
• Payment security: PCI DSS compliant payment processing

While we take reasonable measures to protect your data, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.

You have the right to:

• Access your data: Request a copy of the personal data we hold about you
• Delete your account: Request deletion of your account and all associated data
• Correct inaccuracies: Update your profile information at any time

To exercise any of these rights, please contact us through our contact form .

8.1 Website Cookies

• Authentication cookies: Essential for keeping you signed in
• Session cookies: Required for the website to function

We do NOT use advertising cookies.

8.2 Extension Storage

The extension stores your preferences and cached rate data locally on your device. This data is cleared when you uninstall the extension.

The Service contains links to third-party websites, including cashback portals and online stores. We are not responsible for the privacy practices of these external sites.

When you click a link to a portal or store, you leave our Service and are subject to that site's privacy policy. We encourage you to review the privacy policies of any third-party sites you visit.

We may update this Privacy Policy from time to time. We will update the "Last updated" date at the top of this page.

Your continued use of the Service after changes become effective constitutes your acceptance of the revised policy.

If you have questions about this Privacy Policy or our data practices, please contact us through our contact form .