A startup idea validator that challenges your assumptions.

Research the market, expose fragile assumptions, and get a direct decision before building.

Validate an ideaSee pricing

Illustrative analysis anatomy

Revise before building

Example idea · competitor price alerts

Revise

A verdict should show which evidence supports the decision, which reasoning is inferred, and which unknown could still reverse it.

Source recordPublic URL, supported claim, and checked date stay together.
Supported inferenceA narrower buyer may feel the problem more often.
Missing evidenceWhether that buyer will pay still needs a live test.

Next experiment

Run pricing conversations with the narrowest plausible buyer before building the workflow.

This example shows the structure, not verified market evidence.

Startup idea scorecard, with the reasoning attached.

A score without an explanation is decoration. RoastIdea shows what supports each judgment and what would change it.

Market and timing

Market shape, category shifts, urgency, and why now.

Problem and customer

ICP clarity, pain severity, current behavior, and willingness to pay.

Competition and edge

Alternatives, differentiation, moat risk, and credible whitespace.

Model and execution

Business model, GTM path, founder context, and execution risk.

Confidence should follow the evidence.

Research before judgment

Current competitors, pricing, substitutes, category trends, and other time-sensitive claims are researched when they matter to the decision.

Verified facts

Claims supported by inspectable sources.

Supported inferences

Reasoned conclusions that still require judgment.

Missing evidence

Unknowns that should remain unknown until tested.

Different feedback answers different questions.

The useful question is not which method sounds smartest. It is what evidence each method can produce, and where its confidence should stop.

Friends and family

Useful for: Fast, private encouragement from people who understand you and the context.

Where it stops: They have a reason to be kind. Positive feedback does not show willingness to pay or repeated behavior.

Public community roast

Useful for: Unfiltered reactions from people outside your social circle and close assumptions.

Where it stops: Response quality varies, and the loudest opinion may not come from the target customer.

General-purpose AI chat

Useful for: Fast brainstorming, counterarguments, and a useful first pass on the premise.

Where it stops: A confident answer can still be generic, outdated, incomplete, or unsupported.

Research-backed startup idea validator

Useful for: A structured verdict tied to real alternatives, current facts, explicit assumptions, and risks.

Where it stops: The verdict remains a hypothesis until real customers choose, pay, use, and return.

A verdict is a hypothesis, not market proof.

Build means the available evidence justifies the next experiment. It does not mean demand, retention, distribution, or success is guaranteed.

The smallest test that could change the verdict

Choose the next test, not the most comforting answer. Start with the assumption most likely to make the idea collapse.

Customer language

Interview people in the target segment about the problem, current workaround, urgency, and last time it happened.

Commitment

Ask for a signup, preorder, letter of intent, pilot, or another action that costs more than a compliment.

Behavior

Measure whether people use the solution, reach the promised outcome, return, and eventually pay.

Questions founders ask before trusting the verdict

RoastIdea evaluates the problem, target customer, urgency, willingness to pay, market shape, alternatives, differentiation, timing, business model, go-to-market path, founder context, and execution risk. The evidence available determines how confident each judgment can be.

No. The startup idea scorecard is a core output of the advisor. It organizes the judgment, explains what is strong or fragile, and shows which new evidence could change the recommendation.

No. Validation cannot predict the future. RoastIdea reduces avoidable uncertainty by researching current facts, labeling assumptions, and recommending the next test before you commit more time or money.

Yes. Continue the conversation, challenge the reasoning, add evidence, narrow the audience, or carry the validated context into user research, competitor analysis, a PRD, or a GTM strategy.

Continue with the validated context

AI Competitor Analysis

Inspect the alternatives, pricing, positioning, and whitespace behind the scorecard.

AI Competitor Analysis

User Research

Find the language, pain, alternatives, and desired outcomes behind the customer assumptions.

User Research

PRD Generator

Turn the validated problem and customer context into product scope.

PRD Generator

Get the hard answer before the expensive work.

Describe the idea in your own words. RoastIdea will identify what is promising, what is weak, and what to test next.

Validate an ideaSee pricing