Marketplace for things that do not exist yet

Build evidence,not assumptions.

Turn a rough business idea into an honest market experiment — before you spend months building the wrong thing.

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  • No fake checkout
  • Clear uncertainty
firstsignal / experimentEXAMPLE
CONCEPT TESTDay 7 of 10

Can calmer reminders help studios get paid?

A live demand test measured against qualified early-access requests.

538

sessions

38

qualified leads

7.1%

conversion

Evidence verdict
Directionally promising
Illustration of a finished experiment. Numbers on real listings come only from real responses.
01

Validate

Test demand before you build

02

Sell

Turn evidence into orders

NOT OPEN YET

03

Grow

Scale proven economics

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04

Discover

Meet products being born

NOT OPEN YET

Built for honest experiments

Every page shows its stage. Every verdict shows its limits.

PUBLIC PILOT · REAL CONSENTED WAITLISTS · NO ADS OR PAYMENTS