Run your studio from one desk.
Bookings, packages, staff and reports for small fitness studios, with a member app that lives inside LINE.


A day at the desk
Real screens from an example studio with two bikes and two saunas. Yours can be mats, reformers, a boxing ring or a pool.
Members book themselves
From your LINE Official Account. No password, no app to install, three taps.
Why kayjay
No double bookings
Enforced by the database, not by a checkbox.
Packages that count themselves
Passes, memberships, vouchers, commissions.
Staff and payroll
Paint the roster; payroll reads from it.
Phone first
The same desk on the phone in your pocket.
English and Thai
For your team and for every member.
Every change logged
Who did what, when, on one page.
See it with your studio in mind
A thirty-minute walkthrough on a call. Tell us what you run and we'll show the matching setup.