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AltF IdeaLab scores a startup idea you describe - the problem, your first audience, urgency, willingness to pay, how often the problem occurs and how many people it reaches - and returns an evidence score out of 100, a named band, a list of risks to investigate and four validation experiments to run next. It does not search the market, look up competitors or forecast revenue: the score reflects only the evidence you type into the form.
| Status | Working |
|---|---|
| Price | Free, no sign-in required |
| Where the work happens | In your browser, no network request |
| What you provide | A problem description and a first audience, plus four dropdown answers. |
| Data handling | Runs locally in your browser |
| Capabilities listed | 3 (Opportunity score, Risk review, Validation experiments) |
| Tools linked from this page | 4 |
Your browser. The scoring function is plain deterministic JavaScript and makes no network request, so the idea you describe is never sent to AltFTool.
Score the current evidence, reveal weak assumptions, and leave with four concrete experiments.