Most SaaS teams run dozens of experiments and move the wrong metrics. GrowthGap combines 20 years of CRO expertise, 40,000+ real experiments, and AI simulation to show you precisely where your funnel is leaking revenue — and the highest-leverage fix.
Your analytics show what happened. Your tools run the tests. But nothing tells you which change will move your ARR the most — so decisions get made on opinion, not financial modeling.
For over a decade, Justin Christianson — bestselling author and founder of Conversion Fanatics — ran growth and optimization for some of the biggest SaaS and direct-to-consumer brands in the world. After selling Conversion Fanatics, Justin has spent years helping select companies systematically find and close their revenue gaps. The results have been consistent. GrowthGap is the system — powered by AI — that makes this available at scale.
Systematic funnel optimization took a funded SaaS company from essentially zero to $5M ARR in under a year.
First positive member growth in over a year. Improved trial-to-paid conversion and lowered CAC — with $5M+ in monthly media spend running through the funnel.
Grew trial signup rate 35% in 7 months through funnel diagnostics, signup flow optimization, and landing page experimentation.
Increased user activation 27% in 4 months by identifying and fixing the onboarding drop-off point where the majority of signups were abandoning.
Every analysis benchmarks your metrics, calculates the annual cost of each gap, and ranks what to fix first by revenue impact.
Activation is the primary constraint — 68% of signups never reach the value moment. A guided onboarding checklist with milestone prompts moves activation from 32%→44%. Projected impact: +$2.6M ARR.
Churn at 6.1% is erasing growth faster than acquisition replaces it. Retention has 3–4× more long-term leverage than acquisition at this stage. Fix churn first — automated risk scoring + success intervention. Estimated save: +$1.9M ARR.
At 1.9% visitor→signup you're losing the majority of pipeline before the sales team ever sees it. Improving signup to 3% with a shorter, intent-focused flow adds ~$3.4M ARR with zero new ad spend.
With three underperforming stages, sequence matters. Activation at 28% is the root cause — low activation drives low conversion AND high churn simultaneously. Fix onboarding first. Estimated cascade improvement: +$1.7M ARR in 90 days.
Full diagnostic of your site and funnel — conversion leaks, UX friction, messaging gaps, and technical issues most teams never find.
Analytics audit ensuring your decisions are based on accurate, complete data — most teams don't know their tracking is wrong.
Every key metric ranked against top, median, and low SaaS performers — with the annual revenue cost of each gap calculated.
12–15 "what if" revenue scenarios using your actual numbers — raise price 5%, fix activation 10%, reduce churn 20% — each tied to a specific projected outcome.
10–15 highest-leverage experiments ranked by projected revenue impact. You'll know exactly what to run first — no more gut-feel prioritization.
Live session to walk through the full model, answer every question, and align your team on execution.
Enter your funnel metrics. We'll calculate your revenue gap, benchmark every stage, and tell you exactly what to fix first.
Benchmark 2.5–5% · Top: 5–8%
Benchmark 40–55% · Top: 55–70%
Benchmark 8–15% · Top: 15–25%
Benchmark 2–5% · Top: <1.5%
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Book a call — we'll build your complete simulation, benchmark report, and 90-day roadmap.
Run the free analysis to find your revenue gap in 60 seconds. Then book a strategy call to turn that gap into a prioritized, revenue-ranked action plan.