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Koch, your AI golf coach

Your swing.
Your best.

Most coaching asks you to swing like a tour pro. Koch starts from you: how your body moves, and what it does to your ball. Then it tells you one thing to change.

Join the betaOur story

Why we built KSight

We do not want every golfer to swing the same. We want to find the best swing in you.

  1. 01

    Every body is different.

    Your height, your hips, your back and your age shape your swing. A tour pro's swing fits a tour pro's body. It may not fit yours.

  2. 02

    Your best swing is the target.

    Koch keeps your best swings and coaches you back toward them. Never toward someone else's.

  3. 03

    Your body makes your ball fly.

    So we built our own radar box. The coach knows what your ball did, not only how you moved.

Other apps give you thirty numbers. We give you one sentence.

Not just a launch monitor

Your body makes your ball fly.

A launch monitor tells you what your ball did. A swing app shows how your body moved. Koch joins the two, and finds what in your swing made the ball do that.

Koch · example tip

Turn, don't slide.

Your hips moved toward the target before your chest turned.

  1. 01 · Your body

    How you moved

    Your phone sees your body in every frame of the swing.

  2. 02 · Your ball

    What your body produced

    The radar box reads the ball speed. Koch draws the flight from it.

  3. 03 · Koch

    One fix

    One change in your body, chosen from what your ball did.

Swing + Coach

01 / 04

It draws your swing.

Your body and your club, on your own video, in every frame. Slow it down, scrub it, draw on it.

Illustration of the swing screen: a golfer at a range with the body and the club path drawn on the video.

Screens show an AI-generated golfer

A golfer at the driving range looks at an iPhone. The screen shows coach step 2: bend the back knee a bit more at the top.
Draft mockup · AI-generated golfer and screen

At the range

Between two shots, one tip.

Look at your phone. Read one line. Hit the next ball.

Real app recording · one swing · 9 iron

Body data

See what your body did.

Koch checks your body at each key moment of the swing, against your own good range. Not a tour pro's range.

  • Key momentsEach check sits at a moment of your swing: the top, impact, the finish.
  • Your good rangeA bar shows where you are today, and where your good range is.
  • Hips, knees, postureDoes your trail hip stay back? Does your back knee keep its bend? Is your posture kept?
  • TempoYour back swing and your down swing, timed from the video.
  • Honest gapsHip turn, shoulder turn and sway need a camera from the front. Until then you see No data.

Your key moments

The key moments of your swing.

Koch finds each moment in your video, from address to finish, and checks your body there against your own best swing.

Our golfer at P1, Address.
P1 · Address

P1 · 1 / 7

Address

Your set-up: posture, ball position, balance.

Ball flight

Every ball, drawn in flight.

The radar box reads your ball speed on every shot. Koch draws the flight from it, so every tip knows what your body produced.

The bay's flight window on a screen, with demo data: a 7-iron shot flown over a green range under the sky, 140.5 m carry, and where it landed.
The bay app on a screen, the phone app beside it · demo and sample data

Bay session

Every shot of your session, on one map.

Hit a bucket. See where every ball went, grouped by club, with your own average carry and ball speed. Your distances, not a pro's.

  • Every shot, listedEach shot of the session with its carry. Your best is marked in gold.
  • The fix, on screenThe coach card shows the one change, step by step, next to your swing video.
  • The flight windowA second screen draws each ball's flight and where it landed.
The KSight bay app on a laptop, with demo data: a list of 7-iron carries, the coach card with one fix, and our golfer's swing from two angles with the skeleton drawn on it.
The bay's flight window on a second screen, with demo data: the 7-iron shot flown in 3D, 140.5 m carry, and where it landed.
The bay app, coming · demo data

Your own best

Coached toward your best swing.

Koch compares each swing with your own good ones, like “feel it the way you did on swing six.” Never with a tour pro.

Your best, in gold

Our golfer at the top of his backswing with two skeletons on him: white for this swing, and gold for his own best 7-iron swing, drawn behind it.
His best 7-iron swing: the top of the backswing, with the club parallel to the ground.
Your best
  • This swing
  • Your best · 22 Sep

Sample · our AI golfer · gold is his own best swing with this club, drawn behind this one

A golfer at address with an iron on a sunny driving range under a blue sky, the ball on the grass.

Two sensors, one coach

Body first, ball second.

Your body makes the swing. Your ball shows the result. Your phone watches your body, the radar box reads your ball, and Koch joins the two.

Design render

The coach's tools

Not just a launch monitor.

Your phone sees your body. The radar box sees your ball. Set it half a metre behind the ball, at 15°, looking down the line.

Plans

Start free.

Try the coach on your phone first. Pay when it is worth it to you.

Free

Rp 0
No payment. You only sign in.

A coach's tool on your phone: film your swing, draw on it and talk over it.

Join the beta

Features

Starting with

  • Record a swing, or import one from your phone
  • Recording starts on the sound of your strike
  • Draw on your swing with the swing pen
  • Talk over your swing and share the video, with the KSight mark
  • Nothing leaves your phone

Pro

Save 16%

Rp 249.000/ month

12 months at the monthly price: Rp 3.588.000Rp 2.999.000 billed once a year

Koch coaches every swing against your own best, and reads your ball with the radar box.

Join the beta

Features

Everything in Free, plus

  • Koch, your AI coach: one tip per swing, in plain words
  • Hear every tip out loud
  • Your body and your club drawn on your video
  • The key moments of your swing, checked
  • Coached toward your own best swings, in gold
  • Works with the radar box: ball speed, and your ball flight drawn from it
  • Range sessions: every shot on one map, per club

Radar box

Price at launch
Not for sale yet.

Our own radar box. Set it behind your ball, and it reads every shot.

Join the list

Features

What it does

  • Sits behind your ball, on the target line
  • Reads ball speed on every shot
  • Works with Pro: Koch knows what your ball did
  • USB-C power

Prices are in Indonesian rupiah. If we offer a free trial, you see it before you buy.

One coach. Three set-ups.

  1. Your phone and the radar boxIn beta now
  2. Two phones and the radar boxComing
  3. The bay at your rangeComing

Questions

Good to know

  • Because your body is not a tour pro's body. Koch compares each swing with your own best swings, and coaches you back toward them.

  • Your swing on video, from behind. It finds the key moments of your swing and checks them against your own best swings. With the radar box, it also knows what your ball did.

  • No. It is software. It gives you one tip per swing in plain words, and it can say the tip out loud. It does not replace a teaching pro.

  • You can start free with your phone. The coach that explains your ball needs the radar box.

  • iPhone first. Android is coming.

  • On Free, no. On Pro, your swing clip goes to our cloud so the coach can read it. We delete the raw video after 48 hours, except a few swings you keep.

  • The radar box measures ball speed. We are testing it against a launch monitor, and we will not publish an accuracy number before that test is done.

  • PT Wintech Solusi Sportsindo, in Indonesia.

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Try Koch

Join the list and we write to you when KSight opens. Want to test it sooner? Apply for the beta.

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