Run your PT business by messaging. Foundations handles scheduling, payments, and clients — just tell it what to do.
No monthly fees. No credit card required.
Sound familiar? You're not alone.
"I think Sarah has 3 sessions left... or was it 2?"
Foundations tracks every session against the block automatically. You always know exactly where each client stands.
"Did Tom pay me for last week?"
Send an invoice in seconds. Clients pay online via Stripe. You see the money hit your account. No awkward conversations.
"I spent Sunday evening texting everyone their times."
Just tell Foundations what you need. "Schedule my whole week." "Send Tom his invoice." It handles the rest.
Sell blocks of sessions, any size you like. Foundations tracks every one automatically.
Sarah Mitchell
No more mental arithmetic or checking spreadsheets.
Rebook before they lapse. Never miss a renewal.
When a block completes, a new one is created and invoiced automatically.
Schedule sessions, check blocks, send invoices, get business insights — just by typing. Currently in beta.
Foundations Assistant
No time to set up another tool? We do it for you. Every new trainer gets personal onboarding.
Send us your client list. A spreadsheet, a WhatsApp screenshot, whatever you have.
We import your clients, set up your session blocks, and schedule your first week.
We walk you through connecting Stripe on a quick call. You log in to a fully working system.
Quick call. We handle everything.
No features you'll never touch. Just the tools that help you train more and admin less.
Set regular weekly slots or book one-offs. Clients get calendar invites automatically. Need to reschedule? Just message the assistant.
Send invoices in seconds. Clients pay via Stripe checkout. Track who's paid, who hasn't, and chase with one message.
Sessions, blocks, invoices, contact details. One profile per client. No more flicking between apps to find what you need.
Monthly earnings, outstanding invoices, sessions completed. All at a glance. No spreadsheet required.
No monthly fees. Ever. We only make money when you do — 0.7% on payments you collect through Foundations.
We only make money when you do0.7% on payments you collect through Foundations
No credit card required
Currently available to UK-based professionals.
*Stripe card fees + a 0.7% Foundations transaction fee apply. Learn more
Enter your numbers to see your monthly cost.
Your monthly revenue
£8,000
Foundations fee
£56.00
70p per session, from £8,000 in revenue.
| Foundations | Spreadsheets | PT Apps | Pen & Paper | |
|---|---|---|---|---|
| Session block tracking | Automatic | Manual | Some | No |
| Invoicing | Built-in | No | Built-in | No |
| Online payments | Stripe | No | Varies | No |
| Calendar invites | Automatic | Manual | Some | No |
| Chat-based management | Yes | No | No | No |
| Monthly cost | £0 + 0.7% | £0 | £30–50/mo | £0 |
Session block tracking
Invoicing
Online payments
Calendar invites
Chat-based management
Monthly cost
Join the first trainers to ditch spreadsheets for good.
“Really solid app. Makes tracking PT sessions super simple and keeps everything organised without any hassle. The invoicing feature is a big win too, being able to send everything in one place saves time and cuts out extra admin. Overall, it just works. Clean, efficient, and does exactly what you need it to do!”
Paulo C.
Personal Trainer
Join personal trainers who’ve stopped doing admin by hand.
No credit card required.