Privacy Policy

1. Introduction and Data Controller

CostCalc("we," "us," or "our") operates a web-based calculator platform designed to help users model financial and cost-of-living decisions. This Privacy Policy describes how we handle personal information when you visit our website, create an account, use our calculators, or contact us for support.

For privacy-related inquiries, contact us at jkushal4321@gmail.com.

2. Information We Collect

We may collect the following categories of information:

• Account information: When you sign in, we collect your email address and basic profile details through our authentication provider.
• Calculator inputs: Values you enter into calculators may be stored locally in your browser session, saved to your account if you choose to save a calculation, or included in a share link you explicitly create.
• Usage data: We collect information about how you interact with our site, including pages visited, features used, referral sources, and general engagement patterns.
• Device and log data: We automatically receive technical information such as IP address, browser type, operating system, device identifiers, and timestamps.
• Communications: If you email us, we retain the content of your message and contact details so we can respond.

3. How We Use Your Information

We use collected information to:

• Provide, maintain, and improve our calculator tools and website
• Authenticate users and manage premium accounts
• Save calculations and usage history for signed-in users
• Respond to support requests and communicate service updates
• Analyze usage trends to improve content quality and product design
• Display relevant advertisements through third-party partners
• Detect, prevent, and address fraud, abuse, or security issues
• Comply with legal obligations

4. Cookies and Similar Technologies

We use cookies, local storage, and similar technologies to operate the site, remember preferences, measure performance, and support advertising. Cookie types include:

• Essential cookies: Required for authentication, security, and core site functionality.
• Functional cookies: Remember settings such as theme preference or session state.
• Analytics cookies: Help us understand traffic patterns and feature usage in aggregate.
• Advertising cookies: Used by us and our partners to deliver ads, limit ad frequency, and measure campaign performance.

You can control cookies through your browser settings. Disabling certain cookies may affect site functionality.

5. Google AdSense and Third-Party Advertising

We use Google AdSense to display advertisements on CostCalc. Google and its partners may use cookies — including the DoubleClick cookie — to serve ads based on your prior visits to this website or other websites on the Internet.

Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to our site and/or other sites on the Internet. You may opt out of personalized advertising by visiting:

• Google Ads Settings
• aboutads.info

Third-party vendors, including Google, may also use cookies to measure ad effectiveness and prevent fraud. We do not control third-party cookies and encourage you to review the privacy policies of those vendors.

6. Your Rights and Choices

Depending on your location, you may have rights to access, correct, delete, or export personal data we hold about you, and to object to or restrict certain processing. Residents of the European Economic Area and California may have additional rights under GDPR and CCPA respectively.

To exercise these rights, email jkushal4321@gmail.com. We will respond within a reasonable timeframe and may need to verify your identity.

7. Data Retention and Security

We retain personal information only as long as necessary to provide our services, comply with legal obligations, resolve disputes, and enforce agreements. Saved calculations and account data are retained while your account is active unless you request deletion.

We implement reasonable administrative, technical, and organizational safeguards to protect your information. No method of transmission over the Internet is completely secure, and we cannot guarantee absolute security.

8. Third-Party Service Providers

We use trusted third-party providers to operate our platform, including services for authentication and database hosting (Supabase), payment processing (Razorpay), and optional AI-assisted features (OpenAI). These providers process data on our behalf under contractual obligations and only as needed to deliver their services.

We do not sell your personal information to third parties.

9. Children's Privacy

CostCalc is not directed at children under 13 years of age. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us and we will take steps to delete it.

10. Changes to This Policy

We may update this Privacy Policy from time to time. When we make material changes, we will revise the "Last updated" date at the top of this page. Continued use of the site after changes constitutes acceptance of the updated policy.

11. Contact

For privacy-related questions, contact us at jkushal4321@gmail.com or visit our Contact page.