The Science

Instead of guessing, we solve it.

SmartGolf reads your real swing, not a ball, not a guess. A motion engine built on physics, math, and a registered patent turns what your club actually did into the one thing to fix next.

Get AIX See how it works

Your real swing read on screen: path, face, tempo, impact

Inside the club

There is a lab inside the shaft.

From the battery to a multi-sensor IMU, all inside the thin grip. Highly tuned sensors capture even a pro’s full swing with precision.

An illustration based on the actual internal assembly. Below is a magnified view of the grip interior.

Multi IMU sensorGyro, accelerometer and magnetometer are each fused to read the club’s motion in 3D.

Reads a pro’s full swingA highly tuned sensor-fusion algorithm keeps up with pro-level swing speeds.

Ultra-slim, inside the gripAntenna, battery and electronics all fit inside the thin shaft.

Two kinds of accuracy

Even without a ball, accurate in two ways.

The result of your swing is accurate: distance and left-right ball-flight pattern show exactly what your swing produced. The swing itself is accurate: address, backswing, downswing, impact, and follow-through are rebuilt in real-time 3D. That is the scientific backbone that lets you practice, improve, and compete online with SmartGolf.

One swing, both proofs: the ball-flight distance you just hit, and your real swing rebuilt on the avatar in 3D.

Accuracy 1 · Ball flight

Distance and direction you can trust.

It reads how far and where the ball would go, so a swing at home reflects the real course. This is what makes home golf real.

Accuracy 2 · Swing in 3D

Your real swing, rebuilt in 3D.

It reproduces your actual motion in real time, so you can verify yourself. This is what makes fair online rounds and tournaments possible.

How it works

From your practice swing to the one fix.

No ball. No net. No studio. Three steps, every time you swing.

STEP 01

Swing a high-tech club.

The patented Leader Strap completes your real swing. Swing at real club length and feel your path, face, and impact.

STEP 02

The engine finds the cause.

Physics and math compute why the ball would slice, not just that it did. It gives you the answer, not a wall of numbers.

STEP 03

You get the one fix.

Your swing is rebuilt on the avatar in real-time 3D, and out of eight parameters, the one fix that hurt this swing most is shown.

JJ Wood, PGA Director of Instruction and a Golf Digest Top 100 coach, demonstrates SmartGolf AIX in his studio.

The Leader Strap

Real club length, real swing feel.

Real club length, so even at home your swing is your real swing.
At impact the strap snaps out to show your ball position.
A pure strike sounds off from the strap. Instant feedback.
Reads distance, path, face, impact, and Angle Gap from your swing.

Protected by registered patent (US 11,918,883 and 5 more).

What it measures

Every number behind the one fix.

Improve your swing and keep the feel of your best days. Multiple measurements lead to one key correction, from good shots to great shots. And with Angle Gap, offered only by SmartGolf, you can build a real great shot.

Club speedHow fast the club head is moving through impact.

Club pathThe true in-to-out or out-to-in of your swing.

Face angleWhere the club face points at the moment of impact.

TempoYour overall swing speed and timing.

Shot shapeReads your ball flight to call the shape: draw, fade, slice, or hook.

DistanceHow far the ball flies on this swing.

Pure-strike metricSmash factorHow flush you struck it, and where on the face the ball met the head.

Only on SmartGolfAngle gapThe change in your club angle between address and impact. It is a key driver of consistency, and among golf simulators only SmartGolf measures and provides it.

Your swing is mirrored on your avatar in real time and replayed in 3D, so you see exactly what changed, not just a wall of numbers.

Why impact matters

Swing at air, or strike at impact.

Other home trainers only repeat a motion in the air. The Leader Strap gives you a real strike point, so you groove the move that actually sends the ball, not a habit that falls apart on the course.

Swinging at air, the club never meets the ball — **✗ Swing at air**No strike point. The club passes through empty space, so timing and impact never get tested and bad habits set in.

Striking at impact, the strap meets the ball — **✓ Strike at impact**The strap meets the ball at the bottom of the arc, so you feel and confirm the real strike and build the right move.

Built on pro data

Thousands of pro swings, measured against TrackMan.

SmartGolf did not come from a lab guess. Tour professionals and experienced teaching pros hit thousands of swings, in every shape and situation, each compared against TrackMan. That real pro data is the foundation of our motion engine, and SmartGolf is deeply grateful for their extraordinary effort.

Lee Hyo-jooKLPGA Pro

Lee Hye-suKLPGA Pro

Lee Kyung-mokKPGA Pro