One platform.
Coach, train, scale.
KBX runs your whole coaching business and your athletes' training from one mobile app. Workouts, nutrition, habits, messaging, bookings, payments and AI form feedback — all without juggling five tools.
Cadence
120 bpm
Reps
24
For Coaches & Gyms
Run your whole business from one app
Build workout libraries, sell programmes, message clients, take bookings and accept payments — without stitching together five tools.
Explore Coach HubFor Athletes
Train with structure, pace and accountability
Follow your coach's programme, log every set with AI Honesty Score, hit habit streaks and message your coach with voice notes.
See athlete experienceThe platform
Everything you need. Nothing you don't.
Workouts & Programmes
Builder, blocks, library
Nutrition & Macros
Photo macros, barcode, meal plans
Habits & Check-ins
Streaks, badges, accountability
Messaging & Voice
Voice notes, GIFs, AI replies
Bookings & Video calls
Calendar sync, 1-to-1 calls
Community & Challenges
Channels, polls, leaderboards
Automation (Autoflow)
Visual workflow builder
Payments & Packages
Stripe, coupons, trials
Branding & White-label
Your brand, your domain
AI Honesty Score
Real form feedback
PWA & Mobile app
Install, push, offline
How it works
- 01
Pick your discipline
Kettlebell, mace, hyrox — we add more weekly.
- 02
Lock your cadence
Haptic + visual metronome keeps every rep on the beat.
- 03
Mirror the KBX Coach
A transparent coach overlays your camera. Match it, rep for rep.
Disciplines
Free preview
Start free, no card needed.
Try the KBX Coach on a sample session before you upgrade. Pay £19.99/mo only when you're ready.
Create your account →Camera-safe
Your camera frames stay on your device.
We process video on your phone for live coaching. Only the metrics — reps, cadence, score — sync to your account.
Read the camera policy →No lock-in
Cancel in two taps, anytime.
Monthly billing in GBP, no contracts, no exit fees. Your training history stays yours.
See all FAQs →9
disciplines coached
24/7
available, no booking
120 bpm
cadence-locked pacing
UK-built
by KBX athletes
AI Honesty Score
What you claimed versus what the AI saw.
Upload a clip. The KBX Coach analyses every rep — tempo, depth, and symmetry — then scores your honesty. No fluff, no cheerleading. Just data.
Athlete claimed
“10 reps, clean form, 32 kg.”
Self-reported cadence: 7 reps / min
No depth measurement
No asymmetry check
AI saw
Reps counted
10
Avg tempo
4.2s
Depth pass
8/10
Asymmetry
Rep 4
Honesty Score
82/100 — strong performance with one tempo drift on rep 4.
All KBX coaches use the same pipeline to review your form.
See the Coach in action
Built mobile-first. Designed to live in your hand, beside the bell.
Swipe to see every coaching surface.
See all disciplines →Built by elite coaches and AI researchers
Every rep, cue, and cadence is shaped by people who have stood on the platform and built the models behind the camera.
Danny Wayman
Head programming · Kettlebell sport
20+ years coaching elite kettlebell athletes. IUKL-certified judge.
@dannywaymankbx →Dr. Maria Chen
Computer vision · Biomechanics
PhD biomechanics, Cambridge. Trained models on championship lifter footage.
@mariachenmotion →Liam Sutherland
Sport science · Load management
MSc Strength & Conditioning, BASES-accredited. Former GB weightlifting physio.
@liamsutherlandsc →Cheaper than a personal trainer
KBX Performance
£240
per year · cancel anytime
You save
£4,560
per year
* Based on a UK average of £50 per session × 2 sessions/week × 48 weeks. KBX Performance billed monthly at £19.99.
Questions, answered.
FAQ
Plans
Pricing that scales with you
Athletes start free. Coaches get a 14-day trial of the full platform — including payments, messaging and Autoflow.
Athlete
£19.99/ month
Full training app, AI coach, habits.
Coach Starter
£29/ month
Up to 10 clients, programmes, messaging.
Coach Pro
£79/ month
Up to 100 clients, Autoflow, payments.
Studio
£149/ month
Multi-coach, white-label, 500 clients.