The operating system
your gym runs on
Scheduling, payments, CRM, retention analytics — and a built-in member community with goals, streaks and leaderboards. Everything you need to run and grow your gym, in one platform.
No setup fees · Cancel anytime · iOS, Android & web included
312
Members
$8.4k
MRR
9
Classes today
Jordan M.
hit a new PR 🎯
We're in the business of growing yours
Core.X is the all-in-one platform powering the growth of independent gyms and studios — replacing the tangle of disconnected software you pay for today.
0+
Tools replaced
$0
Per month to start
3-in-1
App · Web · CRM
0%
Branded to your gym
Your all-in-one solution for gym growth
Every tool you need across the full member lifecycle — in one platform.
Fill your pipeline with the right members
Turn interest into trials and trials into members — with a CRM built for gyms.
- Lead & member CRM pipeline
- Cold-call & marketing tracking
- Import from Mindbody, Zen Planner & more
- Self-serve day passes & QR sign-up
Why gym owners choose Core.X
Most gym software stops at scheduling. Core.X is built to grow your business.
Members who feel part of a community stay longer
Goals, streaks and leaderboards turn casual sign-ups into committed regulars.
Cancel the stack of tools you're paying for
Scheduling, CRM, payments, community and analytics — replaced by one bill.
See exactly what drives revenue and churn
Real-time billing and attendance analytics so you can act before members lapse.
Your gym, your colors, everywhere
A white-label experience across iOS, Android and web that feels like yours.
We built Core.X to remove the friction from running a gym — and give owners the system they need to grow.
One platform for scheduling, payments, CRM and community — not six tools duct-taped together.
A built-in social layer with goals, streaks and leaderboards that keeps members coming back.
Designed for independent gyms and studios — your brand, your colors, your members.
Replace 6+ tools with one platform — and finally give members a reason to keep showing up.
Register a studioMeet the founding team
Core.X is built by a small, founder-led team that has lived the grind — in the gym and in the codebase.
Wilson Ramstead
Founder & Lead Developer
Born and raised in Seattle, Wilson spent over eight years building his career in technology, specializing in cloud platforms, customer success, and software engineering. He currently serves as a Support Escalation Engineer at Microsoft, where he leads engineers, manages high-priority customer escalations, and is a recognized Subject Matter Expert in Azure data technologies.
With a background spanning cloud engineering, leadership, and full-stack development, Wilson founded Core.X to help gyms modernize their operations, strengthen member engagement, and build thriving fitness communities. He personally designs and develops the entire platform — combining enterprise-level engineering with firsthand experience building scalable, reliable, customer-focused solutions.
After spending most of his life in Seattle, Wilson relocated to St. Petersburg, Florida, where he continues to grow Core.X and partner with gym owners to shape the future of fitness technology.
Wilson & Josh · Co-founders, Core.X
Josh Lankin
Founder & Director of Sales, Marketing & Operations
Born and raised in Pennsylvania, Josh is an entrepreneur with a background in fitness, sales, and business development. As the founder of Phase2Fitness, he has worked with hundreds of clients over the past five years and collaborated with gym owners across the country — giving him firsthand insight into the challenges fitness businesses face every day.
Josh co-founded Core.X with a vision of helping gyms grow through better technology. He leads the company's business strategy, sales, and product direction, working closely with gym owners to build software that simplifies operations, strengthens member engagement, and increases retention.
Now based in St. Petersburg, Florida, Josh continues to expand Core.X while partnering with gyms to shape the future of fitness technology.
Everything included with Core.X
Replace your whole stack — and pay a fraction of the price.
Typical cost elsewhere
$700+/mo
With Core.X
from $49/mo
Everything you need to grow your gym — even on the go
Your whole gym in your pocket. Members track goals and book classes; you run the business from anywhere.
Run it from anywhere
Owners, coaches and members get native iOS and Android apps.
Members stay engaged
Push notifications for classes, streaks, milestones and announcements.
Everything syncs
One backend across web and mobile — no double entry, ever.
Riverside Strength
Today at a glance
Current streak
12 days
3/4
Goals
#7
Rank
HIIT · 6:00 PM
You're booked · 14 going
Alex hit a PR! 🎯
Simple, honest pricing
One flat monthly price by gym size. No setup fees, no per-feature upsells, cancel anytime.
Up to 50 members
Perfect for new and boutique studios
- Full member community & social feed
- Goals, streaks & leaderboards
- Class scheduling, RSVPs & waitlists
- Member billing & one-time payments
- iOS, Android & web apps
- Email support
Up to 150 members
Built for growing gyms
- Everything in Starter, plus:
- CRM & lead pipeline
- Marketing & cold-call tracking
- Attendance & billing analytics
- Member migration & import
- Priority support
Up to 400 members
For established, multi-coach gyms
- Everything in Growth, plus:
- Higher member capacity
- Advanced retention insights
- Custom waivers & branding
- Dedicated onboarding
More than 400 members? Talk to us about a custom plan
Already on another platform? Bring your members with you.
Our guided import moves your members, contracts and history over — no data left behind.
Payments securely powered by Stripe
Build a gym your members
never want to leave.
Join the gyms running their whole business — and community — on Core.X.
No setup fees · Cancel anytime