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March 19, 2026

2026 Rank: #151

Preuve AI2.0

France Startup idea validation

34,513

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Find out if your idea is worth building. Instantly.

Startup Idea Evaluation Startup Evaluation Business Idea Assessment Idea Testing Competitive Landscape Analysis Market ResearchFree + from $29

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Overview Discussion 8

31,719 preuve.ai

Overview

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You're about to spend months building something. But will anyone pay for it?

Preuve AI scans 50+ live sources and comes back with the competitors, blind spots, and market gaps you'd miss on your own. Full sourced viability report in under 5 minutes.

Get back:
→ Viability score (0-100) with source links
→ Competitors you didn't know existed
→ Market size with actual data, not guesses
→ Blind spots - the risks nobody told you about
→ Demand signals from Google Trends, Reddit, Product Hunt
→ Go-to-market playbook tailored to your idea

Free scan. Full report $29. Ongoing monitoring from $19/mo - get alerts when new competitors launch or your market shifts.

5 star ratings on Trustpilot.

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Preuve AIInitial

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Preuve AI 2

Mar 19, 2026

What's new since our last listing:

Rebranded to Preuve AI (preuve.ai). Same engine as Test Your Idea, new name.

New features:
- GTM Playbook: cold emails, interview guides, and go-to-market
plan tailored to your idea
- Build with AI Pack: export your analysis as a prompt pack for
Claude, ChatGPT, or Cursor ($9 add-on)
- Pitch Audio: AI-generated elevator pitch from your report
- Competitor Compare Hub: side-by-side comparison with 15
validation tools
- Startup Cockpit: portfolio dashboard with competitor scoring
and threat radar
- Subscription plans: monthly monitoring from $19/mo with
competitor alerts
- Lifetime deals: $499 and $999 for permanent access

Improved:
- Competitor discovery: fewer false positives, better positioning
maps
- 7 languages, 43 regions with local pricing
- Trends dashboard rebuilt from scratch
- 50% faster load times

3,500+ ideas scanned. 5.0 on Trustpilot.

1 0

Author

Vincent

@vincentbuilds

Coding is easy. Picking the right problem is hard. 5 years marketing other people's products. Built the tool I wish they'd used.

🇫🇷 France

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2karma

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Joined: January 2026

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Startup idea validation Preuve AI

France Startup idea validation

34,513

Overview Releases Alternatives Pricing Prompts Reviews Q&A

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Market research174 0 Competitive analysis30 0 Startup idea validation37 0

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Average from 11 ratings.

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Comments(8)

@ initial release

Rated it

I love it. The data is really accurate and it points out things we didn’t even think about. It also correctly identifies competitors we didn’t even know existed.

1 Reply Share Delete Report

🛠️ 1 tool 🙏 2 karma

@ initial release

Rated it

Thanks Pramima! Glad the competitor discovery hit the mark. That's exactly what I built for: surfacing things you'd miss doing it manually. Happy building!

1 Reply Share Delete Report

@ initial release

Rated it

Game changer. Fast, reliable expert feedback without the awkward asks. Skip the friends and family bias , get real market insights in minutes.

1 Reply Share Delete Report

🛠️ 1 tool 🙏 2 karma

@ initial release

Rated it

Thanks Nodus! "Skip the friends and family bias" is exactly why I built this. The data can hurt, but better to know now than 6 months into a dead end. Appreciate the review 🙏

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@ initial release

Rated it

So I tested out Test Your Idea, and it actually works pretty well. You put in your idea, wait a minute, and it shows you the stuff you've been missing. Got some decent pivot suggestions that helped me refocus from a tiny niche to something way bigger. Saved me from probably wasting a few months in the wrong direction if you're actually gonna build something, not just daydreaming about it

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🛠️ 1 tool 🙏 2 karma

@ initial release

Rated it

Thanks Julio! That's exactly what the Niche Coach is built for. Glad it helped you spot the bigger opportunity before you went too deep. Good luck with the build 🤝

1 Reply Share Delete Report

@ initial release

Rated it

On top of the large amount of the data that the tool provided, it helped me identify critical shortfalls in my idea, that I had not previously even thought about despite having developing my idea for a good while now. The tool also offered several suggestions on how to pivot my idea to increase the likelihood of success. For me, one of the suggestions required only a minor amount of work, but in turn allowed me to move from targeting a small niche to a large, proven customer base. This, for me, was the most valuable part of the report. I would recommend "TestYourIdea" for anyone serious about taking the step from an idea to an actual business. I feel like what I paid is incomparable to the potential hours and money saved by making the necessary changes now rather than later.

1 Reply Share Delete Report

🛠️ 1 tool 🙏 2 karma

@ initial release

Rated it

Really appreciate the detailed feedback Larry. That "minor pivot, massive market" moment is exactly why I built this. Finding those blindspots early is worth way more than any report price. Excited to see where you take it 🚀

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Q&A

What is the Idea Scanner and how does it work?

Idea Scanner is a tool designed to evaluate startup ideas quickly and efficiently. It uses data from various sources such as Reddit, Indie Hackers, Hacker News, Product Hunt, Google Trends, YouTube, and Quora to identify potential issues, pain points, and market demand. Post scanning a user's idea, it identifies potential problem areas, ranks them based on severity, and provides a Weak Spot Score. It also identifies potential competitors, offers a competitive landscape overview, and suggests potential niches. Furthermore, Idea Scanner presents an action plan to amend identified issues and gives potential market sizing and trend alerts.

How long does it take Idea Scanner to evaluate a startup idea?

Idea Scanner can evaluate a startup idea in as little as 60 seconds, providing a quick and efficient way to gain insights into potential problems, the competitive landscape, and areas for improvement.

How does Idea Scanner determine the severity of problems in my startup idea?

Idea Scanner determines the severity of problems in your startup idea by analyzing data from various sources. It flags potential problem areas in the idea and ranks them in order of severity. This ranking forms the Weak Spot Score, which gives users a quick understanding of which areas need the most attention.

Can Idea Scanner give me an overview of my competitors?

Yes, Idea Scanner identifies potential competitors based on the data it analyses. It provides an overview of the competitive landscape, identifies the names and pricing of competitors, and highlights areas where they are vulnerable, giving you the opportunity to exploit these gaps.

What kind of action plans does Idea Scanner provide for identified issues?

Idea Scanner provides a comprehensive action plan to address identified issues. For example, it provides guidance on how to improve positioning or how to exploit gaps in a competitor's strategies. The intention is not just to identify problems, but to give users clear, actionable steps they can take to resolve these issues.

How accurately can Idea Scanner provide market sizing for my startup idea?

Idea Scanner provides potential market sizing based on a variety of data sources. It generates an estimate of the total addressable market (TAM), the serviceable available market (SAM), and the serviceable obtainable market (SOM). This helps users understand the potential scale of their business.

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What do trend alerts provided by Idea Scanner signify?

Trend alerts provided by Idea Scanner signify surges or trends in search terms related to your startup idea. These alerts can be an indication of growing demand, potential market shifts, or emerging opportunities that you can capitalize on.

What is the difference between the free and paid version of Idea Scanner?

The free version of Idea Scanner provides a viability score and identifies top problems and competitors. The paid version provides not just the identified problems but also solutions for each problem, along with suggestions on how to attract the first customers.

Does the paid version of Idea Scanner provide solutions for each identified problem?

Yes, in the paid version of Idea Scanner, solutions are provided for each identified problem. This is not just to identify potential issues, but to give users actionable solutions they can implement.

How does Idea Scanner help me attract my first customers?

Idea Scanner offers suggestions on how to attract your first customers in its paid version. The tool uses data from multiple sources to identify pain points and demand signals, which can help shape your customer acquisition strategies.

What comprises a Weak Spot Score?

A Weak Spot Score created by Idea Scanner ranks identified problem areas of your startup idea in order of severity. It's a summarized metric that gives users a quick understanding of which areas of their startup idea need the most immediate attention.

Does Idea Scanner analyze information from Product Hunt?

Yes, Idea Scanner analyzes data from Product Hunt, along with many other sources. This information contributes to the Weak Spot Score, competitor identification, and other insights that the tool provides.

Can Idea Scanner identify potential niches in the market for my startup idea?

Yes, Idea Scanner can identify potential niches in the market for your startup idea. Based on the insights it gleans from multiple data sources, the tool suggests potential niches that users might tap into, allowing you to carve out a unique, less competitive space for your startup.

How will the viability score provided by Idea Scanner help me?

The viability score provided by Idea Scanner offers a quick indication of how viable your startup idea could be in the current marketplace. This score is calculated based on multiple factors, including identified problems, competitiveness, and market demand signals.

Does Idea Scanner provide an analysis of online communities data?

Yes, Idea Scanner provides an analysis of data coming from various online communities. This analysis can reveal insights about potential issues and demand signals related to your startup idea, enabling you to understand how the concept might resonate with real users and communities.

How does Idea Scanner use Reddit, Indie Hackers, and Hacker News data?

Idea Scanner utilizes data from Reddit, Indie Hackers, and Hacker News to identify potential issues with your startup idea. By delving into these platforms, the tool can uncover key conversations, opinions, and trends within the startup and tech scene, contributing to its understanding of your idea's competitive landscape, potential pain points, and market demands.

Can Idea Scanner help me refine my positioning strategy?

Yes, Idea Scanner can suggest how to refine your positioning strategy. This is part of the action plan the tool provides to amend identified issues in your startup idea. By harnessing insight from multiple online sources, it can suggest ways to position your product that set it apart from competitors and make it more appealing to your target market.

Does Idea Scanner provide a solution on how to exploit competitor gaps?

Yes, Idea Scanner provides strategic suggestions on how to exploit competitor gaps. It identifies the names and pricing of competitors and shows where they may be vulnerable. These insights can be used to create a competitive strategy that takes advantage of these gaps.

Can I use Idea Scanner for multiple startup ideas?

Yes, Idea Scanner can be used for multiple startup ideas. You can scan and evaluate as many ideas as you need. There are even packages available to buy multiple reports at a reduced rate, perfect if you're testing multiple ideas or want to iterate with fresh data.

What are the payment and refund policies of Idea Scanner?

Idea Scanner has a one-time payment policy, meaning you pay once and get clarity on your idea, returning only when you have another idea. There is also a 7-day refund policy, so if the report doesn't change your perspective about your idea, you can request a full refund.

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