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12,451
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1,953
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1,837
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538
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528
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444
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425
Startup Idea Guessing Game
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Build Or Not
377
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355
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353
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350
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310
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301
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266
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Startup idea validation
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48,694
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47,952
Business Idea Generator AI
23,427
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14,273
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14,233
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13,242
Amilliondollaridea
12,188
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10,315
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7,095
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5,507
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3,674
Unstuckify
2,750
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1,759
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1,114
Exploding Insights
808
IdeaMate
732
Crazy Creative Business
641
Entrepreneur Idea Generator
510
Business Ideas
464
Startup Factory
458
Startup idea validation
There are 15 GPTs and 15 GPTs for Startup idea validation.
Get alerts
Number of tools
15
Most popular
Cresh
Cresh▼ Latest
Free mode
100% free
Freemium
Free Trial
Top featured
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12,45113Released 9d agoFree + from $49
John Goodhew🙏 32 karmaOct 3, 2025I’m allergic to synthetic data, but I gave FirstSign a spin and… my calendar sent a thank-you note. Skipped the cold DMs and got surprisingly sharp interviews for early validation. Feels like cheating, but I’ll allow it ;) -
37712Released 1mo agoFree + from $20/moAs the founder of BuildOrNot.io, I’m excited to announce that our platform has just been launched. At this early stage, our most valuable asset is your feedback. I warmly invite you to try BuildOrNot.io and share your thoughts—both the strengths you find useful and the shortcomings we should improve. Your ratings and comments will directly help us refine the tool, enhance the user experience, and make the platform more valuable for every entrepreneur. Your voice matters, and I truly appreciate your support on this journey.
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Validate ideas, name your business, create logos, and build websites in minutesOpen55,712115v2.0.0 released 1mo agoFree + from $9/mo
Specialized tools 15
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Critically analyzing startup ideas, unafraid to call them stupid.310214Released 1y ago100% Free -
Assist in idea validation with a curious and analytical approach17932Released 1y ago100% Free -
I know things, or not.... hard to say.17242Released 1y ago100% Free -
Sanity check your business idea before investing.52821181Released 1y ago100% Free -
Analyze business ideas using models.4781234Released 1y ago100% Free -
Score your Mind Blowing Startup Ideas, faster.2663153Released 1y ago100% Free -
Get feedback on ideas from billionaires.206520Released 1y ago100% Free -
Identifying flaws in your ideas.118221Released 1y ago100% Free -
Guessing your business idea through 20 questions.4191170Released 1y ago100% Free -
A friendly guide for startup idea validation.355660Released 1y ago100% Free -
Helping founders refine startup ideas.350265Released 1y ago100% Free -
A founder's virtual companion for decision-making and idea validation.2558152Released 1y ago100% Free -
Critically assessing business ideas with witty feedback.30133Released 1y ago100% Free -
Turn simple concepts into businesses.110213Released 1y ago100% Free -
Refine your startup strategy with comprehensive insights.1241217Released 1y ago100% Free
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