Trenoxa ‑ Class Booking

Sell class, workshop, and event seats — with capacity that can't be oversold.

Never sell the same seat twice. Trenoxa lets you sell class, workshop, and event seats through your store's normal Shopify checkout, with per-session capacity that can't be oversold even when two customers race for the last seat. Create a class once, add recurring or one-off sessions (each timezone-aware, own capacity), and customers book at checkout with live seats-left shown before they buy. Refunds and cancellations release the seat automatically, and every session keeps a live roster of who'

• Oversell-proof capacity — never double-book a class, even on simultaneous orders
• Sell recurring or one-off class, workshop, and event seats via Shopify checkout
• A live roster for every session showing who booked and seats taken
• Refunds and cancellations release seats automatically for resale
• Timezone-aware scheduling that stays correct across daylight saving