Free tools
Tools that actually work.
Only working tools are listed here. The calculators run in your browser; Pain Finder and Idea Check need a free account.
Free · 1 a month
Pain Finder
Real complaints, requests and paid workarounds from forums and reviews — with quotes and links.
Open toolFree · 1 quick a month
Idea Check
Competitors, risks, a roast and a ready 10-day test for your own idea.
Open toolFree · no sign-up
Service price and margin calculator
See what one job really earns after your time, tools, fees and tax.
Open toolFree · no sign-up
Business test budget calculator
Add up the cash and hours of one test and set a stop-loss.
Open toolYour first real test can start this week.
Free to start, no card. See the models that fit you, open a ready-to-run kit and plan your first 10-day test.
- We never send messages, publish or spend money for you.
- We don’t invent experience, clients or results.
- Every claim is labelled: fact, estimate or hypothesis.