Tell us your

We check if you should build it.

How does it work?

How Does It Work?

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Type in your idea

Tell us what you are planning to build. It doesn't matter if it's a product or a service but the more detail you provide the more we can help you.

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We find similar products

Based on our database of tens of thousands of launches we analyze your idea to find similar products with real feedback from users.

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We provide instant feedback

In a few seconds we summarize the feedback of those similar products. Based on that, we can now provide you with a list of recommendation that's rooted in real-world market feedback and tailored to your specific idea.

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Protect your idea

If you think your idea is really great, keep it to yourself. Simply create a free account to make your idea private. At the same time, you will be able to rate & comment the ideas of others.

Why sign up?

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Private ideas

Save your ideas and keep them private so they don't end up in our public idea library.

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Engage & connect

Comment and rate the ideas of others. Find collaborators and builders for your ideas.

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Monthly insights

Receive monthly insights and updates about your ideas directly in your inbox.

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Frequently Asked Questions

While there are many services that help founders to ideate or rate their ideas, most of them rely on LLMs purely to provide their recommendations. Consequently, their feedback is always some generic sounding advice mixed up by the LLMs relevant training data, i.e. sea of endlessly regurgitated themes of the startup / business blogoshpere.

Conversely, Should I Build It is relying on more than 600,000 pieces of real world data (namely comments and reviews left by users) that were given on 90k products, launched in the last two years. Therefore, if your idea is somewhat similar to anything in our database, we can tell you with reasonable confidence what are your odds of getting some traction with it.

Oh, and we provide this feedback in less than 10 seconds. And for free.

We currently have 31,000 ShowHN posts from HackerNews and 56,000 launches from ProductHunt, all from the last two years.

What makes our data unique is that we read and analyzed every single comment on these products to calculate our metrics for use and buy intent and sentiment. We also summarized the discussions and extracted common criticisms for every product.

Reading 600,000 comments, totalling more than 50,000 pages is not exactly trivial (or cheap). We did this by leveraging the latest LLMs, coupled with our expert topic modelling system at CrowdPrisma.

Our thesis is that the best new startup / product ideas have three unique characteristics:

  • They solve a painful problem that's really valuable to customers.
  • If it's an existing problem, they often solve it in a novel way.
  • They are timed perfectly: there's already a few nascent competitors but the market is not yet dominated by either of them.
Crucially, the last one is the most important because it strongly signals that the first two have been already thought of and de-risked by others. If something has been going for more than two years and has some traction, you should just know about it or be able to find it easily with Google. But by that time they are in the lead and you're playing catchup.

So for early validation of your idea you need data from the last two years.Finding nascent products / companies however is really hard.
  • Google and search doesn't work, because these products often haven't got enough traction yet to optimize their SEO.
  • Specialist product sites (ProductHunt, HackerNews) don't have good semantic search functionality and can't aggregate product launch metrics for you.
  • Even if you find products that are similar to your idea, estimating their traction is difficult.
We built SIBI on the most recent two years of data because that's what matters for early stage founders when they are trying to validate their ideas.

Of course you can! And you probably should...

Simply create a free account, and you'll be able to make any of your ideas private. Also, you'll become a member of the SIBI community and be able to save, rate and comment on the ideas of others. You also get our monthly newsletter specifically tailored to founders like you, packed with insights from our unique dataset and community of builders.

Once you've typed in your idea, this is what the SIBI algorithm will do in the background:

  • Find products in our database that are semantically extremely similar to your idea.
  • Re-rank these products by relevancy and focus on the most relevant ones.
  • Use our precomputed customer intent metrics to calculate our four key metrics:
    • Confidence: Based on the number of similar products we found in our database resembling your idea.
    • Engagement: Based on the average number of comments those similar product launches received.
    • Net use signal: Quantifies how much do people want to use these similar products?
    • Net buy signal: Quantifies how much do people want to buy these similar products?
  • Based on these, we place your idea in our Should I Build It Idea Evaluation Framework.
Once we have assigned one of our ten idea types to your idea, we can provide you with a highly personalized report with actionable recommendations and thought provoking questions.

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