US$12 / One-time digital download
A little structure for your next 48 hours.
The Napkinproof 48-Hour Validation Kit helps you run the test after the free tool gives you a starting point. It is a set of working files, not a promise that an idea will succeed.
Exactly what is included
- Validation workbook as PDF and editable .xlsx.
- Three landing page templates in HTML.
- Customer interview scripts.
- An AI prompt pack.
- A 48-hour schedule.
Use the workbook to choose an assumption, set the success and stop thresholds, record conversations, and decide what the evidence supports. The templates are starting files for an honest smoke test. No account on Napkinproof is needed.
The kit is ready; checkout opens soon.
Checkout and delivery are handled by Gumroad on its own site.
Refund policy
30-day full refund, no questions asked: email ian.n+napkinproof@adastrac.com
Start free if you prefer.
The triage tool and offline checklist and validation guides are free. You can run a small test without buying the kit.