PromptLab does not collect prompt inputs or personal content on its own servers. Authentication and subscription management are provided through Supabase, while payment processing is handled by Gumroad.
All inputs are processed locally in the browser. Access state (Free / PRO) is stored locally in your browser to improve user experience and remember your subscription status.
Payment processing is handled by Gumroad. We do not store payment information.
No data is sold or shared with third parties.
Last updated: 2026
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