Now in public beta — try it free.Start validating

Validate your idea
before you build.

Simulate 2,000+ early users, scan market signals, and get a clear Build, Pivot, or Kill verdict — in under 2 minutes.

Used by 1,500+ founders

Founders from these programs use FirstUsers

TUMLMUManage & MoreUnternehmerTUM

What you get

Persona Simulation

2,000+ diverse early-user personas react independently to your idea — with real objections, interest scores, and adoption signals.

Fast Results

Full analysis in under 2 minutes. Market scan, competitor check, and a clear verdict.

18 Scored Signals

Demand, competition, pricing, distribution, trust, execution risk — all quantified.

Structured Intelligence

Every report follows the same validated framework. No vague advice — just data you can act on.

How it works

Three steps. From idea to validated verdict in under 2 minutes.

1

Describe your idea

Write one paragraph about what you want to build and who it helps.

2

AI validates it

Market research, competitors, demand signals, 2,000+ persona simulations — automated.

3

Get your verdict

Build, Pivot, or Kill — backed by 18 data signals and a full report.

Live Preview

Your idea rides through 6 stages

Idea
Market
Competitors
Demand
Model
Validation

Demand Score

72

High Intent Personas

312

Confidence

84%

Your report

A structured market brief — not a guess.

8 Report Sections

Market & Demand Analysis
Problem Intensity Scoring
Competitor Deep Dive
Pricing & Distribution
Trust & Execution Risk
Persona Engagement
Strengths & Weaknesses
Next Steps & Actions

Example Output

Demand Score

72

Confidence

84%

High Intent Users

312

Market Growth

68

72Overall

Build

Strong market pull. Low competition density with room for differentiation.

What founders say

We were about to spend 3 months building a prototype. FirstUsers showed us the market was saturated in under 2 minutes.

SK

Sarah K.

Founder, SaaS Startup

2,000 simulated users reacting to my idea — I got objections I never would have thought of myself.

ML

Marcus L.

Technical Co-Founder

I validate every idea before pitching now. Walking into a VC meeting with real demand data changes everything.

PR

Priya R.

Serial Entrepreneur

FAQ

The team

GF

Geart Ferhati

Co-Founder & CEO

Obsessed with making startup validation fast, data-driven, and accessible to every founder.

DS

Daniel Shamsi

Co-Founder & CTO

Building the engine that turns one paragraph into a complete market intelligence report.

Ready to validate?

One paragraph in, full market brief out. Free to start.