TigerBookingGroup classes, without the overselling.
Scheduled sessions with a hard capacity, instructors who can't be double-booked, and prepaid class passes — built as a Pro module in the Tiger Booking Pro add-on, installing alongside the free plugin. Your one-to-one appointments keep running on the free engine underneath.
Pro add-on, installs alongside the free plugin · No uninstall, no data migration
The group-capacity engine.
A class session accepts many bookings up to a limit — the model the one-to-one appointment engine was never built for.
Capacity is checked where it can't be raced.
Every session's spots-left is computed live from committed, non-cancelled bookings — never a cached counter. Before a booking is written, the session is locked with a MySQL named lock so the check-then-insert can't race: two people reading "1 spot left" at the same instant can't both take it.
- ✓ 5 simultaneous bookings for the last place in a class produced exactly 1 confirmed booking
- ✓ The session is locked before the capacity check, not after — the read and the write happen as one step
- ✓ A class shown as full still lets an attendee cancel and free the spot back up for the next booking
Instructors and rooms are real kernel resources.
An instructor isn't free text on a session — they're a resource the same conflict engine tracks. Scheduling them into two overlapping classes is rejected outright, and the studio room they're booked into is checked the same way, at the same time.
- ✓ An instructor can't be scheduled into two overlapping class sessions
- ✓ A studio room can't host two overlapping classes either — checked by the same engine
- ✓ Rooms are feature-gated: turn them on only if your site actually assigns studios to classes
Class passes and a credit ledger.
Sell a pack of credits once; every class check-in draws down the balance automatically.
Pack catalogue
Build a catalogue of prepaid packs — a credit count, a price and an optional expiry window per pack.
Per-customer ledger
Buying a pack creates a ledger row with a credit balance; a customer can hold several packs with different expiries at once.
Oldest-first check-in
A class check-in burns one credit from the oldest still-valid ledger row, so credits are spent in the order they'd expire.
A module, not a second plugin.
Fitness & Classes ships as a Pro module inside the Tiger Booking Pro add-on. Your one-to-one appointments, customers and settings don't move — there's nothing to uninstall and nothing to migrate.
One-to-one stays free
Personal training and consultations already run on the free appointment engine — this module adds the group-class side on top.
No uninstall, no migration
Fitness & Classes is a module inside the Tiger Booking Pro add-on — it installs alongside the free plugin, not in place of it.
Built on the same kernel
Class sessions, instructors and rooms use the same booking kernel as every other module — no separate database, no separate settings screen to relearn.
Two engines, one plugin.
One-to-one appointments and group classes are different models — here's what each one covers.
Put your timetable on capacity-checked rails.
Install the free build today, or add Fitness & Classes with the Tiger Booking Pro add-on.