Most app ideas die in the dark: months of building, zero validation. GetAppNiche turns the lights on: 💰 Revenue & download estimates for 3.6M+ apps, App Store + Google Play 🔍 Explore both stores like a database: growth, price model, category filters 🎯 ASO keywords with difficulty scores, daily rank tracking 🕵️ Competitors' ads, creators and review complaints 🔌 API + MCP: ask Claude or Cursor to find niches for you