Know which SaaS idea deserves your next 30 days.
Stop guessing. SignalStack centralizes signals from Stripe, landing pages, and surveys to score your startup ideas with clinical precision.
Your portfolio
“Primary indicator: Demand is scaling. Contact 12 high-intent users immediately.”
Your demand data is everywhere. Your next move should not be.
Clear demand.
Clear next move.
See every idea in one place
Maintain a live portfolio of your concepts. No more fragmented Notes apps or lost bookmarks.
Find real demand, not vanity metrics
We filter out bots and noise to show you exactly how many people are ready to pay.
Know exactly what to do next
AI-driven recommendations tell you when to pivot, when to scale, and when to kill an idea.
Validated builders don't work harder. They work on the right things.
Add your app idea
Input your concept in seconds. Start tracking with zero config.
Capture real interest
Link your landing page, Stripe pre-orders, or waiting lists.
Track the signals
Watch the Signal Score update in real-time as users engage.
Focus with evidence
Double down on the winner and pause the rest. Build with confidence.
Don't check your stats. Complete your tasks.
We turn your data points into a prioritized to-do list. Spend less time analyzing and more time acting on the evidence.
Stop building based on vibes.
Join 1,200+ founders using SignalStack to validate their next move with hard data.
No credit card required. Free during beta.