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Cart Reserve – Inventory Holds
- by R3stack
- Free plan available. Free trial available.
- by R3stack
- Free plan available. Free trial available.
Reserve inventory when customers add items to cart, verify at checkout, and auto-release expired holds back to stock.
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About the Cart Reserve – Inventory Holds
Cart Reserve protects your limited stock and one-of-one products by holding inventory when shoppers add items to cart. Each reservation updates available stock in real-time and stays tied to a verified session through checkout. The storefront timer shows active holds, and expired reservations automatically release back to stock for the next customer.
Perfect for product drops, flash sales, and restocks, this app helps you manage demand with fair queues, scheduled drops, and bot controls. Live analytics track your sales while checkout validation ensures every purchase matches an active hold. The team provides hands-on support and tailors the setup to work with your theme, so protected products stay secure from cart to completion.
Launched: April 2, 2026
Key features
- Real inventory holds update available stock at add to cart
- Checkout validation ties each purchase to an active reservation
- Expired holds release automatically for the next shopper
- Fair queues, scheduled drops and bot controls help manage traffic spikes
- Live analytics and theme-tailored setup with hands-on support
Integrations with:
- Checkout,
- Shopify Admin
Category:
Pricing of Cart Reserve – Inventory Holds
Free
Free
- 3 protected products
- 25 concurrent active holds
- Unlimited reservations
- Checkout validation
- Fixed 10-minute reservation timer
- 24-hour analytics history
- Hands-on setup support
Starter
$25 / month
or $250/year and save 17%
- All Free features
- 100 protected products
- 100 concurrent active holds
- Bulk product selection
- Fair queue for traffic spikes
- Rule-based bot protection
- Configurable reservation timer
- 7-day analytics history
Pro
$69 / month
or $690/year and save 17%
- All Starter features
- 500 protected products
- 500 concurrent active holds
- Advanced fair queue
- AI-powered bot protection
- Full storefront customization
- 30-day analytics history
Max
$149 / month
or $1,490/year and save 17%
- All Pro features
- ALL mode — unlimited products
- Auto-protect new products
- 2,500 concurrent active holds
- AI + IP and country protection
- Global inventory limits
- 90-day analytics history
