An honest comparison — sources linked below

A $29 report you can check.
Or a free verdict that then builds it.

The short answer: Preuve AI sells a source-linked validation report for $29 one-time, built from 60+ live sources, with a free 60-second reality check and $19/mo monitoring on top. kitty.build gives you a nine-board validation free — live research, every material claim linked, a 0–100 score and a GO / PIVOT / NO-GO verdict — and then ships the site, writes the code into your GitHub repo and runs the venture. Preuve if you want a cheap checkable document; kitty.build if you want the verdict and the build to be one product.

Feature-by-feature comparison of kitty.build and Preuve AI
AreaKittyPreuve AI
Cost of a checkable first verdictFree — 100 Treats, a complete nine-board validation, no card.Free 60-second Reality Check; the full 18-section report is $29 one-time.
Evidence you can click throughEvery material claim links to its source; unsourced claims aren't asserted.60+ live sources per scan, every claim linked back. This is their strongest feature.
Named competitorsA researched, linked comp-set produced by the competition board.Up to 15 named competitors in the Founder Report.
Ongoing cost$17/mo on Spark — because the engine runs daily.$0 if you only buy a report. $19/mo for Radar Pro monitoring if you want it.
Builds the productSite on your own domain, code committed to your own GitHub repo.Not offered — the report is the deliverable.
Runs the ventureDaily engine cycles with evidence attached to every closed task.Not offered. Radar Pro re-scans the market, it does not operate the business.
Pricing clarityFour tiers plus a free grant; one meter.One-time reports, packs, a subscription and two lifetime tiers at once.

Prices and claims about Preuve AI were checked against the sources below on 2026-08-30: Preuve — pricing page · Preuve — best startup validation tools 2026. Pricing changes: the number on their own site wins over the number on ours. Product names are trademarks of their owners; these are independent comparisons.

What Preuve AI does well

  • Live-sourced and linked, which is rare below the $100 price point
  • $29 one-time is the cheapest evidence-backed report in this comparison
  • The free 60-second Reality Check is a real answer, not a teaser wall
  • Radar Pro at $19/mo is the only ongoing competitive monitoring in the validation set

Where Preuve AI falls short

  • The report is the product — nothing gets built, launched or operated
  • The pricing surface is crowded: one-time reports, packs, a subscription and two lifetime deals at once
  • Lifetime deals usually signal an early-stage company still finding its price
  • Pivot suggestions are only as good as the model behind them; they are prompts, not plans

When Preuve AI is the better buy

For $29 and no subscription, Preuve hands you a linked, checkable 18-section report — cheaper than DimeADozen and better sourced than the framework generators. If all you need is evidence for one decision, that is better value than any recurring plan, ours included. Radar Pro at $19/mo for ongoing competitor monitoring is also something kitty.build does not sell separately.

Our verdict on Preuve AI in 2026

Preuve is the best-value evidence-backed validation report on this list: $29 one-time, 60+ live sources, every claim linked, and a free reality check that actually answers something. If you want a document and you want to be able to check it, buy Preuve before you buy anything more expensive. What it does not do is anything after the document — no site, no code, no operations — and its crowded price list (one-time, packs, subscription, two lifetime tiers) suggests a company still testing its model. kitty.build gives the cited verdict free and then builds the venture; Preuve gives a cheaper, narrower, very good report.

Preuve AI pricing

  • Reality Check — $0: ~60-second viability score, market overview, 2 competitor previews.
  • Founder Report — $29 one-time: 18-section analysis, up to 15 competitors, GTM plan, 3 pivot suggestions, unlimited starter scans.
  • Report packs — $95 / 5 · $159 / 10: Bulk report credits.
  • Radar Pro — $19/mo: Monthly re-scans and competitive monitoring.
  • Investor-Ready — $499 one-time: Pitch deck, investment memo, financial model, pitch prep. Lifetime Pro $499 and Lifetime Business $999 also offered.

Frequently asked

Is Preuve AI free?
The Reality Check is genuinely free — a viability score, market overview and two competitor previews in about 60 seconds, no purchase. The full 18-section Founder Report is $29 one-time, and Radar Pro monitoring is $19/mo.
Preuve vs DimeADozen — which report is better?
DimeADozen is deeper: 150+ pages and typically 1,200+ citations for $129. Preuve is cheaper and faster: 18 sections from 60+ live sources for $29, with a free reality check first. Buy Preuve to make a decision; buy DimeADozen when the document itself has an audience, like a lender or an investor.
Does Preuve build your startup?
No. Preuve produces reports and monitoring. Building is a separate purchase — Lovable, Bolt.new, Replit or Base44 — or use kitty.build, where the validation and the build are the same product.
Is Preuve's lifetime deal worth it?
Lifetime Pro is $499 and Lifetime Business is $999. Lifetime pricing is generally a sign of an early-stage company raising working capital, so weigh the discount against the risk that the product changes shape. For a single decision, the $29 report is the rational purchase.
Should I switch from Preuve AI to kitty.build?
Only if the gap you keep hitting is the one kitty.build closes. kitty.build is the only tool in this set that both refuses to build a bad idea and builds the good one. Nine boards research the live web, cite what they find and return a GO / PIVOT / NO-GO verdict for free; if the verdict is GO, the same product ships the site on your domain, writes the code into your GitHub repo and runs daily cycles where a task only counts as done with evidence attached. The trade is that it is a subscription and it is opinionated. If you want a single document, or you want to art-direct every pixel yourself, something else on this list fits you better. Where Preuve AI still wins: For $29 and no subscription, Preuve hands you a linked, checkable 18-section report — cheaper than DimeADozen and better sourced than the framework generators. If all you need is evidence for one decision, that is better value than any recurring plan, ours included. Radar Pro at $19/mo for ongoing competitor monitoring is also something kitty.build does not sell separately. The first kitty.build verdict is free with no card, so you can find out without cancelling anything.

Keep comparing

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Get the verdict free. Decide after.

Nine boards, live research, every claim cited, GO / PIVOT / NO-GO — for $0. If it says NO-GO you just saved months and never paid us. If it says GO, Kitty starts building. Watch real ventures doing it on our live feed.

Start free — no card

No revenue share, ever · Failed tasks are free · Your repo, your domain, your data