Napkin Math — Claude app

Back-of-the-envelope estimates with stated assumptions and honest ranges, plus a sanity check for numbers other people quote at you.

Napkin Math

Back-of-the-envelope estimates with stated assumptions and honest ranges, plus a sanity check for numbers other people quote at you.

Store

claude

Publisher

Not reported

First observed

2026-10-09T19:00:10+00:00

Open the interactive profile to explore rank history, metrics, tools and listing versions.

Data as of 2026-10-13T21:07:23+00:00.

OpenApps records store listings and observed changes. Store ranks are not download counts; launch dates may be derived or use the first observation. Coverage gaps are shown in the interactive catalog.

REST API specification · Guide for AI clients · Manage API keys and MCP connections