Does Napkin Math own your prompts?
Only to a degree—Napkin Math's cited terms leave your prompt rights subject to license carve-outs or conditions.
Their words · Terms of Service
“ You keep ownership of the photos, food logs, notes, goals, voice inputs, profile information, and other content you submit to Napkin Math . You grant Jessica Tang and Paper Star a non-exclusive, worldwide, royalty-free license to host, store, reproduce, transmit, display, format, modify, and otherwise process your content solely as needed to operate, secure, maintain, and improve the service. This includes displaying content according to your sharing settings and processing your inputs to provide AI-assisted features. You represent that you have the rights needed to submit your content and that doing so does not violate the rights, privacy, or safety of any other person.”
Captured 2026-09-26. Open captured source →Snapshot SHA-256: 1f55036bb2859d5e76a0eb757e6c8b9e642d2f8eed815309d1e2089cee5c1aca
Permalink to this finding →Informational only, not legal advice. Terms can change; check the cited policy and capture date before relying on this answer.
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