Set the right scope
Apply limits to an order, collection, product, or variant. Set a separate total sales cap when a campaign has a fixed allocation.
CONTROL WHAT CAN BE BOUGHT
PLSOPLY APP 01
Make every purchase rule clear.
Set practical purchase rules for products, variants, collections, orders, and campaigns. Show shoppers what changed and verify the result at checkout.
01Quantity & value limits
02Customer conditions
03Checkout validation
WHAT IT HELPS YOU DO
More control, less guesswork.
Shape who can buy
Use customer tags, login, email, or country conditions when eligibility differs across shoppers.
Explain the rule
Display storefront messages with the Theme App Embed and translate the message for your customers.
Verify enforcement
Enable checkout validation at the shop and rule level, then test carts that should pass and fail.
A PRACTICAL STARTFrom setup to
From setup to
a result you can check.
Start with a small, testable setup. Expand once you can see the right behavior.
Open the setup guides01
Choose a rule
Decide whether you need an order, product, variant, collection, or total sales limit.
02
Set conditions
Enter the cap, eligible products or shoppers, schedule, and message.
03
Test both paths
Enable storefront and checkout protection. Try one valid and one over-limit cart.
SEE IT IN CONTEXT
Ways merchants could use it.
Illustrative scenarios show the setup and what a store should verify. They are not merchant testimonials.
Example
How to set purchase limits for a flash sale
Combine per-order quantity limits with a total sales cap for a Shopify flash sale, with optional purchase frequency restrictions.
Read scenario →ExampleHow to set purchase limits for wholesale customers
Use customer tags to apply a minimum or maximum purchase rule to wholesale customers and test against a retail account.
Read scenario →ExampleHow to require Product B when a customer buys Product A
Create a buy-together rule with Trigger and Required groups, then test carts with only the trigger or with both items.
Read scenario →