Software Alternatives & Startups

Preuve AI VS Diffly

Compare Preuve AI VS Diffly and see what are their differences

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Preuve AI logo Preuve AI

Validate your startup idea in 60 seconds. Real data, not vibes.

Diffly logo Diffly

Diffly is the leading win-loss analysis solution in Europe that helps B2B companies close more deals. Diffly combines AI technology with services to help you increase win rates, improve Go to market strategy and make decisions based on reliable data.
  • Preuve AI Preuve AI Overview
    Preuve AI Overview //
    2026-03-13
  • Preuve AI Example Deep Research Report
    Example Deep Research Report //
    2026-03-18

Preuve AI (Formerly Test Your Idea) validates startup ideas before you build. Describe your concept in plain language and 10 specialized AI agents scan 60+ live data sources to produce a sourced viability report in under five minutes.

Each report covers competitor landscape, total addressable market sizing, demand and trend signals, pricing benchmarks, key risk assumptions, and a composite viability score from 0 to 100. Every data point links to its source - Google Trends, Reddit, Product Hunt, Trustpilot, app stores, and more. If the data cannot verify a claim, it is not included.

A free scan delivers a quick overview with viability score. The Deep Analysis ($29) unlocks all 13 report sections including go-to-market playbook, community signals, pivot recommendations and 3x iterations. The Investor Package ($499) generates five investor-ready deliverables: pitch deck, investment memo, financial model, DD checklist, and pitch prep guide.

5 stars ratings on Trustpilot.

Not present

Make your business truly Customer-centric

Diffly helps you digitize and automate the collection of feedback from your prospects and customers (win/loss analysis, churn analysis).

By connecting your CRM to Diffly, you make sure none of your sales cycles ever ends without collecting feedback. Join the 80% of B2B companies worldwide implementing a consistent win-loss analysis process, and boost your conversion rates by up to +50% (Gartner).

The Diffly Solution

B2B companies often leave money on the table by losing deals they could have won, without knowing why. Our mission is to bring a human touch back into the feedback process. In addition to our CRM-integrated software and structured quantitative surveys, we offer a third-party interview service to collecte feedback from your prospects and customers directly. Diffly combines pragmatism, speed, and plug-and-play efficiency through a unique blend of SaaS and Service:

The Service: 30/45-minute one-on-one interviews with your prospects or clients, revisiting the sales process to gather first-hand insights. As a trusted third party, we gather open and honest conversations.

The Technology: Our platform identifies and automates which deals to target. Then, our AI analyzes conversations, detects key themes, and aggregates insights, helping you make informed, strategic decisions across your sales funnel. Diffly’s high valued added Every sales opportunity becomes a learning opportunity: whether won or lost, Diffly kicks in automatically. Through targeted, structured surveys, we uncover the true decision-making criteria of your buyers, along with rich insights about your market, competitors, and positioning, straight from the field.

Actionable insights, not assumptions: Understand the real reasons behind every win and loss, and act on them. Cross-team alignment: Sales, Marketing, and Product teams access the same insights, ensuring a coherent strategy and data-driven decisions.

Preuve AI

Website
preuve.ai
$ Details
freemium $29 / One-off
Release Date
2026 January
Startup details
Country
France
Employees
1 - 9

Diffly

Website
diffly.co
Pricing URL
-
$ Details
-
Release Date
-
Startup details
Country
France
Founder(s)
Julien Cohen-Roussey, David Guillermain, Anne-Sophie Vasseur-Clement
Employees
20 - 49

Preuve AI features and specs

  • Ease of Use
    Preuve.ai is designed with a user-friendly interface that allows users to easily navigate and input their ideas without needing extensive technical knowledge.
  • Feedback Collection
    The platform provides a systematic way to gather feedback from a targeted audience, which can help improve and refine the initial idea based on real user insights.
  • Cost-Effective
    Compared to traditional market research methods, TestYourIdea.app offers a cost-effective solution for validating ideas and concepts, making it accessible to startups and small businesses.
  • Quick Turnaround
    Users can obtain feedback and results rapidly, enabling them to make swift decisions on whether to pursue, pivot, or abandon their ideas.
  • Customizable Surveys
    The platform allows users to create custom surveys tailored to their specific needs, ensuring that they gather the most relevant data for their ideas.

Diffly features and specs

No features have been listed yet.

Analysis of Preuve AI

Overall verdict

  • I don't have reliable, verified information about Preuve AI (preuve.ai), so I can't genuinely confirm whether it's good or not. You should evaluate it directly and cautiously before committing.

Why this product is good

  • I lack verified data about this specific product, its features, performance, or reputation, so any strong endorsement would be misleading
  • Independent verification through user reviews, trials, and documentation is the most trustworthy way to assess an unfamiliar AI service
  • Checking for transparent pricing, data privacy policies, and customer support quality helps determine legitimacy and value
  • Testing with a free trial or demo lets you confirm it meets your actual needs before paying

Recommended for

  • Users willing to test the service themselves via a free trial or demo before committing
  • Buyers who first research independent reviews and verify the company's credibility and security practices
  • Those with specific use cases they can validate directly against the product's claimed capabilities

Analysis of Diffly

Overall verdict

  • I don't have verified, up-to-date information about Diffly (diffly.co) to give you a reliable assessment of its quality. I'd recommend checking recent user reviews, the company's website, and independent sources before making a decision.

Why this product is good

  • I don't have specific, verified data on this product/service in my training
  • Details about niche or newer tools may be outdated or unavailable to me
  • Providing an assessment without reliable information could be misleading

Recommended for

  • Anyone considering this tool should check recent reviews on sites like G2, Trustpilot, or Capterra
  • Users should visit the official website to review current features, pricing, and use cases
  • Reaching out to the company directly or trying a free trial (if available) can help verify legitimacy and fit

Category Popularity

0-100% (relative to Preuve AI and Diffly)
Idea Validation
100 100%
0% 0
Marketing Analytics
0 0%
100% 100
Market Research
100 100%
0% 0
Customer Insights
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Preuve AI seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Preuve AI mentions (1)

  • I scanned 2,500 startup ideas with AI. Here is what the data says about why most fail.
    I built Test Your Idea, an AI tool that scans startup ideas against 40+ live data sources and scores their viability. After 2,500+ scans, I started noticing patterns that challenge a lot of the startup advice you see on Twitter. - Source: dev.to / 6 months ago

Diffly mentions (0)

We have not tracked any mentions of Diffly yet. Tracking of Diffly recommendations started around Nov 2025.

What are some alternatives?

When comparing Preuve AI and Diffly, you can also consider the following products

IdeaProof.io - IdeaProof is an AI-powered startup factory that helps founders go from raw idea to launch-ready business in minutes. Validate your idea, analyze market & competitors, generate an investor-ready business plan, build your brand & logo in one place.

Klue - Klue is competitive intelligence for enterprise sales. We help sales, and the teams who enable them, leverage CI to win more deals.

Validator AI - Get AI business validation for any idea

Dioptra - Dioptra is a data centric platform to automate continuous model improvement.

IdeaRoast - IdeaRoast — Stop guessing. Get the verdict. Your startup idea has a fatal flaw. Four AI examiners find it — market gaps, competitor threats, unit economics, timing risks. Live data. $3. No account. 90 seconds.

M16 Marketing - Work with M16's ROI driven digital marketing strategists to generate leads, automate engagement and analyze the results of marketing campaigns.