From a reformer studio to a hotel health club: timetable and treatment diary, memberships, payments and check-in in one fast, modern place your whole team will actually enjoy using. Set up for you, start to finish.
Revenue · this week
£2,480
▲ 12%
Occupancy
86%
Today’s bookings
Fitness studio software
Strong OS is fitness studio software for boutique studios that run a timetable, and booking software for the spas, recovery rooms, practices and hotel health clubs that run a diary. It runs your schedule, online booking, waitlists, memberships, courses of sessions, payments and check-in, with a booking page and an app your clients use to book.
The difference is the setup. Your members and their remaining credits are moved across for you, your schedule, memberships and packs are built with you, and you go live on a day you pick. Afterwards you get support that answers, not a ticket queue.
Switching from Mindbody, Glofox or bsport?
Short, fair comparisons, and how a switch works.
Read more →Running a pilates or reformer studio?
Pilates studio software with the booking system built in.
Read more →Running a spa or treatment rooms?
A diary per therapist, courses of sessions, and your own booking page.
Read more →Running a hotel health club or members’ club?
Members, guests and day visitors on one schedule, and treatments on the room bill.
Read more →Who it’s for
Strong OS for
Timetables, class packs and memberships shaped around a real studio.
Strong OS for
Sessions, packs and memberships for training that runs on a schedule.
Strong OS for
Session packs that count themselves down, and a diary your clients book into.
Strong OS for
Rig space is the constraint. Hard caps, course packs and waitlists that respect it.
Strong OS for
Packs, unlimited memberships and courses, with a sold-out hot room handled properly.
Strong OS for
Capped race-prep sessions, back-to-back slots and waitlists that keep them full.
Strong OS for
Courses of sessions that count themselves down, plus a diary per practitioner.
Strong OS for
Term blocks, weekly training and holiday camp days, booked by parents for each child.
Strong OS for
A diary per therapist, treatments of any length, and courses of sessions that count themselves down.
Strong OS for
A diary per practitioner, blocks of sessions paid once, and reminders that cut the empty hour.
Strong OS for
Members, hotel guests and day visitors on one schedule, with treatments that go on the room bill.
How we compare
| Strong OS | Mindbody | Glofox | |
|---|---|---|---|
| Built for | Studios, clubs, spas and clinics | Fitness, wellness & beauty | Independent studios to gym brands |
| Grows towards | One studio, done well | Many kinds of business | Hundreds of locations |
| Member app | Your colours, or your own app | Branded app available | Branded member app |
From each company’s own website, September 2026. “Ask” means they don’t say.
Compare:Strong OS vs MindbodyStrong OS vs GlofoxStrong OS vs bsportStrong OS vs TeamUpStrong OS vs MomenceAll comparisons →
See Strong OS on your own schedule. Book a quick demo and we’ll show you around.