Your branded coaching app.
60 seconds.
CRUX gives fitness trainers a fully branded client app — complete with AI-generated programs, avatar exercise videos, and wearable recovery insights — all set up in under a minute.
Coach Sarah
Strength · Day 14
TODAY
Upper Body Strength
RECOVERY
Zero to branded app in 3 steps
No developers. No design agency. No monthly tooling fees. Just your coaching expertise and 60 seconds.
Describe your style
Tell us your coaching philosophy, training niche, and brand vibe. Upload a selfie for your avatar.
30 secAI builds your brand
We generate your logo, color palette, 12-week program template, and photo-realistic avatar — all in parallel.
45 secShare your app
Your branded PWA goes live on your own subdomain. Clients sign up, get personalized plans, and train with your avatar.
15 secTry it now — no signup
See how fast CRUX builds a branded app. Pick a vibe and watch it generate.
The demo flows directly into the live onboarding — try it yourself.
Everything a trainer needs. Nothing they don't.
CRUX handles the tech so you can focus on coaching. One signup, one minute, one branded app your clients will actually use.
AI-Generated Programs
Tell us your coaching philosophy. Our Program Generator builds a fully periodized, Zod-validated training plan tailored to each client's goals, injuries, and equipment.
Avatar Exercise Videos
Upload a selfie and we generate a photo-realistic avatar that demos every exercise in your program — with your voice, your cues, your style.
Wearable Recovery
Connect WHOOP, Apple Watch, or Garmin. The Session Rewriter automatically adjusts today's workout based on your client's sleep, HRV, and recovery score.
Trusted by trainers worldwide
Coaches across every discipline are building better client experiences with CRUX.
“I went from a spreadsheet and WhatsApp to a branded app my clients actually use. Took me literally one minute.”
Sarah Kim
Strength & Conditioning
“The avatar videos blew my mind. My clients think I hired a production crew. It is just AI and a selfie.”
Marcus Rivera
CrossFit
“Recovery insights from WHOOP sync changed how I program for clients. They feel like I am always watching over them.”
Priya Patel
Yoga & Pilates
“Launched my app on Monday, had 40 clients onboarded by Friday. The onboarding flow is that smooth.”
James Chen
HIIT & General Fitness
Simple, transparent pricing
Start free, upgrade when you are ready. No hidden fees, no contracts.
Launch
Get started instantly
- Branded client app
- 1 AI-generated program
- 5 avatar exercise videos
- Basic analytics
- Community support
Pro
Everything you need to scale
- Unlimited programs
- Unlimited avatar videos
- Wearable recovery sync
- Session Rewriter AI
- Advanced analytics
- Custom domain
- Priority support
Enterprise
For gyms and franchises
- Everything in Pro
- Multi-trainer management
- White-label branding
- API access
- Dedicated success manager
- SLA guarantee
Ready to launch your app?
Join the beta and have your branded coaching app live in under 60 seconds. Free to start, no credit card required.