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Startup Idea Validator

A 200-word skeptical critique of your startup idea — market, willingness to pay, risks.

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What you get

Get a 200-word critique of your startup idea, including market and risk assessment, in a text format.

Who it's for

  • Startup founders
  • Entrepreneurs with a new business idea
  • Small business owners looking to expand
  • Innovators seeking feedback on their concept

Use cases

  • Validating a business idea before investing time and money
  • Assessing the market potential of a new product or service
  • Identifying potential risks and challenges in a startup
  • Refining a business concept based on expert feedback
  • Evaluating the willingness to pay for a new product or service

FAQ

what do i get for £1

You get a 200-word critique of your startup idea, including an assessment of the market and potential risks. This critique is provided in a text format and is designed to be sharp and useful, without flattery or doom.

how long is the critique

The critique is approximately 200 words long, and is divided into four sections: what's right about your idea, what's questionable, the most likely failure mode, and one experiment to run this week.

what kind of feedback can i expect

You can expect sharp and useful feedback that highlights the potential strengths and weaknesses of your startup idea. The critique will include three sharp questions to help you think critically about your concept.

is the feedback personalised

Yes, the feedback is based on your specific startup idea, which you provide in a one-paragraph text. The critique is tailored to your concept and provides actionable advice to help you refine your idea.

Sample output

What's right about this: You're identifying a specific industry and trying to solve a pain point for them, which could lead to a more tailored solution.

What's questionable: 
1. How will you acquire hairstylists as users, given the competition from existing scheduling tools?
2. Will the added features of deposit collection and no-show fees be enough to convince hairstylists to switch from their current booking systems?
3. How will you handle the varying needs and requirements of different hairstylists, such as those working in salons versus those working independently?

Most likely failure mode: Hairstylists already use existing scheduling tools, and the added features may not be enough to justify a switch, especially if the new tool requires significant changes to their workflow or is more expensive than their current solution.

One experiment to run this week: Reach out to 10 local hairstylists and ask about their current scheduling and payment processes, including what they like and dislike about their current systems, and what features would convince them to switch to a new tool. This can be done through phone calls or in-person meetings, and should provide valuable insight into the needs and pain points of your target users.

Last updated: 2026-06-28