Prexist - Instantly check if your startup idea already exists!
Validate your startup idea in seconds. Prexist searches 8 platforms like Product Hunt, Y Combinator, GitHub, Crunchbase & App Stores (iOS and Android) using AI to find similar products — all in one place. Save weeks on research and build smart. 🚀
Replies
👋 Hey Product Hunt!
I built Prexist to solve a frustration I kept running into —> not knowing if my “brilliant” idea already existed… until it was too late.
⚡ What Prexist does:
* Search 8+ platforms in one click
* See similar products with AI powered analysis
* Get suggested keywords and relevance scores
* All in a clean, unified interface
💡 Built for:
* Founders validating startup ideas
* Product managers doing competitive analysis
* VCs and consultants doing due diligence
⏳ Save hours (or days) of manual research, find out what already exists before you build.
👉 Try it here: https://prexist.pages.dev
Would love your feedback, ideas, and support 🙏
If you like it, please give it an upvote and share it with someone who’s building something new!
Great product, really useful. It is also great to know what your biggest competitors are doing and what you can do differently from them.
Nice job!
Tom
@fargar Thanks, Tom! 🙏 Glad you found it useful!
Agnes AI
Ngl, searching 8+ platforms at once to see if your idea’s taken is genius—saves sooo much time and heartbreak fr. Super smart move, makers!
@cruise_chen Appreciate it! This is for the builders! 🚀
Man I wish I had this two startups ago! Great idea definitely bookmarking this before my next startup idea!
@botir_khaltaev You have it now! Thanks for the review, excited for you to try it out when your next idea hits 🚀