IdeaProof · Comparison
Business Plan Tools
IdeaProof vs 15MinutePlan AI
15MinutePlan AI produces a plan from a short form. IdeaProof does the same — and validates demand, surfaces competitors and ships brand & marketing assets.
90 free credits·60-second verdict·Vendor-neutral data·Updated 2026
Editor's pick 2026
Recommended
ideaproof
4.9· 10,000+ founders
90 free credits · no card
The full founder journey in one place. Validate, size the market, build the plan, brand it, launch it — with source-linked citations and a 4-model cross-check. Where 15MinutePlan AI stops, IdeaProof keeps going.
10,000+
Founders
89%
Accuracy
$2.3M+
Raised
120s
Verdict in
- End-to-end: validation → plan → brand → marketing
- 4-model cross-check (GPT-4.1 · Claude · Gemini · Grok)
- 50+ live sources cited (Reddit, PH, G2, Crunchbase)
- Investor-ready PDF + pitch deck included
Time to verdict
IdeaProof: 60 seconds
15MinutePlan AI: 15 minutes per plan
Pricing
IdeaProof: Free 90 credits on signup, 40 cr per Pro validation, then €19+ packs
15MinutePlan AI: From $49 per plan
Best for
IdeaProof: founders validating + planning end-to-end
15MinutePlan AI: Founders who only want a polished plan document, nothing else.
Feature-by-feature
| Feature | IdeaProof | 15MinutePlan AI |
|---|---|---|
| AI-generated plan | ||
| Validation score | ||
| Live market data | ||
| Competitor analysis | ||
| Brand strategy | ||
| Marketing suite | ||
| Free tier | 90 credits | Sample only |
| Per-output cost | ~€2 | $49 |
Who wins where
IdeaProof wins on
- Demand validation built in
- Multi-AI market intelligence
- Cheaper per-credit pricing
- Full ecosystem, not a single output
15MinutePlan AI wins on
- Single-purpose simplicity
- Per-document pricing some prefer
Common questions
See if your idea passes — in 60 seconds
90 free credits, no card required. Start your validation now.
Start free