Golf instruction should be clear, personal, and useful.
Virtual Coach AI analyzes your swing video and turns it into a practical coaching report — what you do well, where your leaks are, what matters most, and how to practice it.
What Virtual Coach AI Does
Virtual Coach AI helps golfers make sense of their swing. Instead of handing you a long list of random faults, it looks for the patterns that matter most — setup, body motion, club movement, timing, release, and ball-flight tendencies — then tells you what to work on first.
It's built to answer three simple questions:
- What is happening in my swing?
- What is causing my biggest miss or power leak?
- What should I work on first?
It can help with swing analysis, priority fixes, power leaks, consistency issues, ball-flight patterns, practice plans, and coach-style explanations. The system is meant to help guide improvement — not to replace good judgment, live coaching, or player feedback.
How To Use The Site
For best results, use good lighting, keep the full body and club visible, and record from a stable angle.
How The Idea Came About
This didn't start with technology. It started with notebooks.
For nearly thirty years I collected what I learned from some of the great teachers of the game — Jim McLean, Butch Harmon, David Leadbetter, Rick Acton, and many others — while chasing one question: how do all the moving parts of the golf swing actually relate to one another?
In 2000, at Kapalua, I started putting it into a different form. I built spreadsheets that mapped every moving part of the body through the swing, then worked out which relationships mattered most, and in what order.
For years it stayed a pile of notes and a way of seeing. What was missing was something that could hold all of it at once.
That changed when I found AI — and a partner to build it with. With Replit to build on and Rudy Thurston alongside me, we did something simple to say and hard to do: we combined our brains with AI. The AI organizes decades of coaching thinking and, working from data it can measure precisely, helps deliver a clearer lesson than the naked eye alone — while the judgment behind every call stays human.
None of this is really about us. Whatever we each bring to it — decades inside the game on my side, a background of service and discipline on Rudy's — all points one direction: a refusal to settle for anything less than excellent. The app stands on years of real swing data, studied across players at every level, from weekend golfers to winners of major championships — not a theory about one "perfect" swing. We built it to be the best swing app available, and to put honest, useful coaching within reach of millions of golfers.
The result is a place where a golfer can see their strengths, their struggles, and their compensations — and then make educated, guided decisions about what to prioritize: where to put the effort, and how and when to improve. The direction stays yours. The tool is here to help you choose it well.
The teaching philosophy behind VCA comes from Jim Hartnett, a PGA professional with decades of experience working with players of every level.
General Teaching Philosophy
There is no single perfect swing. VCA doesn't believe every golfer should swing the same way. A good swing is a motion that produces a repeatable ball flight that fits the player, the body, and the conditions.
Ball flight matters. A swing should be judged by function, not just appearance. A motion can look unusual and still work — and it can look pretty and still fail under pressure.
Fix causes, not symptoms. Many swing faults are compensations. Before removing one, VCA tries to understand the job that compensation is doing.
Prioritize the first domino. Golfers don't need twenty swing thoughts. They need the first priority that can improve the rest of the chain.
Practice must be usable. The best lesson isn't the most complicated one. It gives a clear feel, a clear drill, and a reason to believe the work matters.
What Makes VCA Different
Golf Under Pressure
Good golf isn't only about a technically better swing. It's also about knowing what happens when pressure shows up.
Trying not to be nervous often creates more tension. Nerves are not the enemy. Uncertainty without a plan is the enemy.
Under pressure, many golfers fall back on comfortable old habits — even when those habits create the miss. VCA's long-term goal is to help players recognize their personal pressure pattern and build a better response.
Great players don't always feel less pressure. They often know what pressure does to their ball, and they make a smart adjustment.
A simple way through it: Recognize the state. Understand the pattern. Make a decision. Commit. Execute. Accept the result.
What To Expect In A Report
A VCA report may include: a swing overview, your strengths, priority faults, power leaks, key positions, body-and-club relationships, likely ball-flight tendencies, practice drills, a 14-day improvement plan, and simple explanations of why each fix matters.
What VCA Is Not
Virtual Coach AI is a coaching and analysis tool. It is not a guarantee of performance, not a medical device, and not a replacement for a qualified professional when an in-person evaluation is needed.
Golf swings are complex. Video quality, camera angle, lighting, body type, injuries, flexibility, and player intent can all affect the analysis.
The best results come when you combine the report with practice, feedback, and honest ball-flight observation.
Best Video Practices
- Use good lighting.
- Keep the full club and body in frame.
- Record from a stable position.
- Use face-on or down-the-line angles.
- Avoid extreme zoom.
- Record at the highest frame rate available.
- Make sure the ball, hands, feet, hips, shoulders, and club are all visible.
The better the video, the better the analysis.
Virtual Coach AI was built to make golf improvement clearer. The goal isn't to overwhelm you with data or force you into a model swing. It's to help you understand your pattern, find your first priority, and practice with purpose.