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Napkin Math

napkinmath.club · San Francisco · founded 2026 · team 3 employees · YC Spring 2026 (YC P26) - launched on Product Hunt · trust 0/4

the personalized AI food journal

This dossier was built by Clark from a public scan on 2026-07-04 and is unclaimed. Is this your startup? Claim it.

Verified facts

Company NameNapkin Math
source: https://napkinmath.club
Taglinethe personalized AI food journal
source: https://napkinmath.club
Headquarters CitySan Francisco
source: https://www.ycombinator.com/companies/napkin-math
Founded2026
source: https://www.ycombinator.com/companies/napkin-math
Team Size3 employees
source: https://www.ycombinator.com/companies/napkin-math
StageYC Spring 2026 (YC P26) - launched on Product Hunt
source: https://www.ycombinator.com/companies/napkin-math
FoundersJynnie Tang, Claire Nord, Manuel Castro
source: https://napkinmath.club/about
Entity Type/RegistrationNot publicly verifiable - footer indicates Paper Star ownership
source: https://napkinmath.club
Public Contact Emailsupport@napkinmath.club
source: https://apps.apple.com/us/app/napkin-math-food-journal/id6758642182 (App Store)

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