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Hide, reorder, or filter delivery options at checkout. Block courier shipping for PO Box addresses.
Koss Ship helps merchants protect shipping margins and prevent fulfillment issues directly at checkout. Easily hide incompatible delivery methods when buyers enter PO Box addresses, ensuring packages are not rejected by carriers. Automatically hide standard paid shipping once a customer qualifies for free shipping, reducing checkout confusion. Filter rates by minimum and maximum cart subtotal. Powered natively by Shopify Functions with zero checkout delay.
- Block express and courier shipping methods for PO Box addresses
- Hide standard paid shipping rates when free shipping threshold is met
- Filter and restrict delivery options by cart minimum and maximum value
- Built with native Shopify Functions WebAssembly for fast checkout speed
- Safety guardrail ensures at least one delivery option stays visible
Languages
English
Works with
- Checkout
- Checkout
Categories
Rate calculation
Customization
Pricing
Choose the plan that best fits your business.
Free Plan
Free
Features
- 1 active shipping rule
- Automatic P.O. Box address detection
- Cart subtotal min & max restrictions
- Quick-start recipe templates
Gowth Plan
$9.99 / month
Features
- Up to 5 active delivery rules
- Product tag matching (heavy, fragile)
- B2B & customer tag rules
- Priority customer support
7-day free trial
Pro Plan
$19.99 / month
Features
- Unlimited active shipping rules
- All trigger conditions & postal codes
- Priority email support
- Unlimited orders
7-day free trial
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
Reviews
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0% of ratings are 5 stars
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0% of ratings are 4 stars
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0% of ratings are 3 stars
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0% of ratings are 2 stars
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0% of ratings are 1 stars
Support
App support provided by KossLabs.
Data access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View staff and contributor data:
Store owner
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Store owner
Name, email address, phone number, physical address
View and edit store data:
Products, Shopify Functions
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Edit products
Products, collections
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Edit Shopify Functions
Delivery customizations
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