Other apps check what's in this order. This one checks what a customer has ever ordered. Most purchase-limit apps only cap a single order — a shop...

• Limits hold across every order a customer places, lifetime or a rolling window.
• Enforced at every checkout, including express and accelerated checkout.
• Cancel or refund an order and the customer's allowance resets automatically.
• Configure rules from one screen, no theme code, works on any Shopify store.
• Set quantity, time window, and guest-checkout policy per product or variant.