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WhittleOS

Runs your startup idea through 12 kill-checks and tells you to build, test or drop it

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Listed Sep 09, 2026

Takes an idea through 12 kill-filters — any one of them ends it — then scores what survives on 7 areas and returns one verdict: build it, test it first, paid pilot, not yet, or drop it, with the pass/fail math computed in code so the model can't inflate its own score. Or, without an idea yet, it searches real market data across niches and drops anything with no proof people actually have the problem — its own published run kept just 93 of 3,430 candidates across 30 markets. Free signup gives 2 credits for the idea-check path; the market search costs 2 credits on top, not covered by the signup credits.

What holds up

  • +Ran its own pitch through its own tool and got a 15/100 kill — verifiable self-honesty, not a demo score
  • +Kept just 93 of 3,430 candidate ideas across 30 markets — the rest lacked proof of real pain
  • +Verdict score is computed in code, not the model, so it can't hand itself a passing number

Mind the limits

  • Idea search costs 2 credits on top of the 2 free signup credits — not fully free
  • Discovery search takes 10-40 minutes, not an instant answer

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Picked by StillWorks
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