IdeaProof vs IdeaRoast
Choose IdeaRoast for a fast, cheap critique that flags blind spots. Choose IdeaProof for a free scored report with competitors and market size, followed by plan, brand and marketing.
Choose IdeaRoast for a fast, cheap critique that flags blind spots. Choose IdeaProof for a free scored report with competitors and market size, followed by plan, brand and marketing. Pricing: IdeaProof 40 free credits (1 standard validation); optional one-time packs from €19.99 / $19.00; credits never expire; IdeaRoast about $1 per report (as stated on its own blog). Different outputs: IdeaProof standard validation takes about 2 minutes (estimate); IdeaRoast: minutes per critique.
Maintains 1,700+ structured startup ideas, 1,000+ documented failures and a 47-vendor pricing audit · every figure is source-linked
Reviewed by Nicholas Todeschini, Founder & Lead Analyst, IdeaProof. Editorial standards & entity profile
Should you use IdeaProof or IdeaRoast?
Match your situation to one of the two columns.
Choose IdeaProof if…
- Best for: a founder pressure-testing an idea before building
- Free first validation
- Competitors, market sizing and risks in one report
- Business plan, brand and marketing modules
Choose IdeaRoast if…
- Best for: founders who want a quick, blunt second opinion for almost no money
- Very low price per report
- Blunt verdict with blind spots
- Fast multi-agent critique
Feature and pricing data for IdeaRoast checked against its public website on 2026-10-17. Vendors change plans often — verify before buying.
IdeaProof: validate before you build
Pressure-test the idea, inspect the report’s reasoning and decide what to test next. Continue through Market, Business Plan, Brand, Visuals and Marketing when those outputs are useful—each later step uses additional credits. Compare that connected workflow with IdeaRoast’s specific strengths, rather than assuming either product replaces the other.
40 free signup credits
One standard validation at 40 credits. No card required.
About two minutes
Estimated standard validation time, not a completion guarantee.
Inspectable scoring
Published calculation and real report distributions; not a success probability.
Source-linked research
Review citations and assumptions before sharing an exportable report.
Published by IdeaProof · Optional one-time credits never expire · No independently certified accuracy claim
Feature-by-feature
| Feature | IdeaProof | IdeaRoast |
|---|---|---|
| Price for first report | Free (40 credits) | ~$1 |
| Verdict and blind spots | ||
| Competitor discovery | ||
| Market sizing | ||
| Business plan generator | ||
| Brand and marketing suite | ||
| Startup failure database | ||
| Languages | 6 | Not stated |
Who wins where
IdeaProof wins on
- Free first validation
- Competitors, market sizing and risks in one report
- Business plan, brand and marketing modules
- Startup failure database
IdeaRoast wins on
- Very low price per report
- Blunt verdict with blind spots
- Fast multi-agent critique
Sources, limitations and publisher disclosure
Published by IdeaProof, not an independent hands-on test. Listed prices may buy different outputs: a standard validation, a customer study, a plan and a research subscription are not interchangeable. Combine tools when your next decision needs human evidence or specialist execution; AI reports do not replace professional advice.
Product scope and pricing were checked against the vendors’ official pages on 2026-10-17. Plans change, so confirm the current terms before buying.
How to choose between IdeaProof and IdeaRoast
-
1
Name the decision IdeaRoast or IdeaProof has to unblock
Write the question in one sentence — usually "is this idea worth building?" or "founders who want a quick, blunt second opinion for almost no money.". That sentence decides the tool, not the feature list.
-
2
Compare cost and time to a usable output
IdeaProof: 40 free credits (1 standard validation); optional one-time packs from €19.99 / $19.00; credits never expire, about 2 minutes to a verdict. IdeaRoast: About $1 per report (as stated on its own blog), Minutes per critique. Use the table above for the full side-by-side.
-
3
Check the coverage gap
IdeaRoast wins on Very low price per report and Blunt verdict with blind spots. IdeaProof wins on Free first validation and Competitors, market sizing and risks in one report. Note which parts of your workflow each one leaves manual.
-
4
Run the cheapest real test
Run your actual idea through IdeaProof with the 40 free credits you get on signup, and compare the verdict with the assumptions you were working from.
-
5
Commit, or combine
If the validation answered your question, start there. If you still need founders who want a quick, blunt second opinion for almost no money., keep IdeaRoast for that narrow job instead of paying for two overlapping subscriptions.
Common questions
Switching from IdeaRoast to IdeaProof
- 1Keep whatever you already produced in IdeaRoast — you will paste the idea summary, not migrate an account.
- 2Run a free validation on IdeaProof (40 credits on signup) and compare the go/no-go verdict with the assumptions you were working from.
- 3Use the IdeaProof market, brand and plan steps for the parts IdeaRoast does not cover, and keep IdeaRoast for founders who want a quick, blunt second opinion for almost no money..
Deeper answers founders ask for
How should you actually choose between these two?
Comparison pages tend to rank tools on features; buyers decide on fit. Score both options against your real situation: what decision are you trying to make, how much depth do you need to make it, how fast do you need it, and what happens if the output is wrong? A tool that gives a fast, shallow answer is the right choice for triaging ten ideas; it is the wrong choice for a document you will show an investor. Also check the exit cost — whether you can export your work, and whether you are locked into a subscription before you know the output is useful.
- Match depth to the decision, not to the price tier
- Check export and lock-in before you commit to an annual plan
- Free tiers are for triage; paid depth is for decisions with money attached
What do these tools actually cost over a year?
Headline pricing is rarely the real number. Add three things: the seats you will genuinely need, the usage overage once you move past the trial pattern, and the time cost of rework when output quality is inconsistent. Credit- or usage-based pricing tends to be cheaper for bursty work — validating a handful of ideas over a few weeks — while flat subscriptions win when you use the tool weekly all year. If you are unsure which pattern you fit, start usage-based: the downside of overpaying for an unused subscription is larger than the downside of a slightly higher per-use rate.
When is neither option the right answer?
If you have not yet spoken to a potential buyer, no tool in this comparison will change your outcome — both will produce a confident analysis of a problem you have not verified exists. Tools are most valuable after you have a concrete idea, a named customer segment, and a specific question: is the market big enough, who else is serving it, what should this cost. Used before that point, they mostly produce reassurance. Used after, they compress a week of desk research into an hour and surface competitors and risks you would otherwise find months later.
Similar Alternatives & Comparisons
Founders comparing this also explored:
ValidatorAI vs IdeaProof
Side-by-side AI validation comparison
Dime-a-Dozen vs IdeaProof
Pricing & feature breakdown
IdeaProof vs Ideanote
Validation vs idea management
IdeaProof vs HelloTars
Validator vs chatbot builder
IdeaProof vs Futurepedia
Validator vs AI directory
IdeaProof vs FounderPal
Validation vs founder marketing
See if your idea passes — in about 2 minutes
40 free credits, no card required. Start your validation now.
Start freeMarket watch · updated
What changed in AI validation tools
-
· industry data
Preuve Benchmarks 2026: Only 17.5% of Ideas Score Above 70
A large-scale analysis of 8,500+ business ideas shows a median viability score of 54, with fewer than 0.2% scoring above 90, highlighting high early-stage risks.
Source: Preuve AI -
· market news
Crunchbase H1 2026: Global Startup Funding Reaches Record $510B
Global startup investment hit a record $510 billion in the first half of 2026, driven by an AI boom that accelerated both funding rounds and exit activity.
Source: Crunchbase via Creati.ai -
· funding trend
VCs Concentrate Capital: 80% of Funding Now Flows to AI-Related Companies
Analysis of 17,000+ portfolio companies shows that while formation is diversified, 80% of venture capital dollars are concentrated in the AI sector in 2026.
Source: BigIdeasDB -
· market report
Global AI Toolkit Market Set for Growth Despite Hardware Tariff Impacts
The AI toolkit market continues to expand, though rising costs for imported hardware in North America and Europe are shifting focus toward software-led innovation.
Source: GII Research
Key numbers
- 467,000,000,000
- Projected AI market size (USD) by 2030 (22% CAGR) (2026) — Vention
- 800,000,000
- Weekly active ChatGPT users as of late 2025 — Vention / OpenAI
- 510,000,000,000
- H1 2026 Global Startup Funding (USD) — Crunchbase