Don't waste 3 monthsbuilding what'salready done.
Drop your SaaS idea. ScanGap scans 5 review sources and returns a brutal /30 verdictin 60 seconds — with 3 pivot wedges if it's a kill.
First scan free · No credit card · Built by Memselon
Sources scanned in parallel
How it works
60 seconds from idea to verdict. No fluff.
One sentence. "Notion but for fire stations." That's enough.
Competitors, their reviews, their pricing, their gaps — App Store + Play Store + Reddit + Product Hunt + Gumroad.
We extract every recurring complaint about the leaders, ranked by frequency and severity.
Marc Lou-style GATE 0 score with axes. GO, PIVOT, or KILL — plus 3 wedge ideas if your angle is dead.
A real verdict, in your face.
We ran a scan on the "AI App Store Screenshot Generator" idea. Here's the report — exactly what you'll get.
AI Store Screenshot Generator
14 / 30 · KILLMarket is saturated — 13+ AI-powered competitors already shipping: Nuvex, IconikAI, Picasso, Launch Shots, LaunchMatic, AppDrift, AppScreenshotStudio, AppLaunchpad, Screenshots.pro and more. Templates, AI copy, 40-language translation, per-frame refinement — all covered.
Idea Validator IA — score 23 / 30 · GO
Build the "auto-check if it exists" engine itself as a product. Less crowded, clear wedge, recurring use case. That's exactly what ScanGap is.
Pricing
Pay once. Or scan unlimited. Your call.
- Unlimited reports
- Weekly digest of new competitors
- Priority scan queue
- Export to Notion
FAQ
+How is this different from Google?
Google shows you 10 blue links. ScanGap reads 1,000+ user reviews across 5 sources, clusters them with Claude, and gives you the actual unmet need — not the homepage of a competitor.
+Why a /30 score and not a /10?
The /30 framework comes from Marc Lou's GATE 0 method: 5 axes × 6 points each. It forces granularity per axis (pain, buyer, gap, unfair, distribution) instead of a single fuzzy number.
+Is the verdict actually brutal?
Yes. If your idea is crowded or dead, we tell you, with citations. We also give you 3 pivot wedges so you don't leave empty-handed.
+What if Claude hallucinates a competitor?
Every competitor cited links to its actual public listing (App Store ID, Product Hunt slug, etc.). We don't invent companies.