Privacy Policy

Last Updated: January 5, 2026

At Kist Logic, we believe software should solve problems without spying on users. Our business model is selling useful tools, not selling your data.

1. Browser Extensions (FlipCalc)

Our Chrome extensions, including FlipCalc, are designed with a "Local-First" architecture.

No Data Collection: We do not transmit your browsing history, eBay listing data, or financial calculations to any external server.
Local Storage: Any preferences you save (such as shipping costs or fee settings) are stored strictly on your own device using chrome.storage.local.
Permissions: We only request permissions necessary to inject the calculator interface into specific marketplaces (e.g., eBay).

Our serverless applications are designed to be stateless and privacy-centric.

Data Processing: When you submit text or files for parsing, the data is processed in-memory by our secure workers and AI providers (OpenAI).
Zero Retention: Once the processing is complete and the result is returned to you, the original data is discarded. We do not store your emails, invoices, or uploaded documents in a database.
Security: All data in transit is encrypted via SSL/TLS.

We use trusted infrastructure providers to deliver our services:

Cloudflare: For hosting, DNS, and security protection.
OpenAI: As the underlying intelligence engine for our AI tools.
Stripe/Gumroad: For secure payment processing. Kist Logic never handles your credit card information directly.

If you have questions about this policy or our software, please contact us at:

Email: support@kistlogic.com