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Substitutions

Substitutions

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Never lose a sale to stockouts. Automatically swap in pre-approved backup products at fulfillment while keeping variants sellable at checkout.

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  • Substitutions Screenshot
  • Substitutions Screenshot
  • Substitutions Screenshot
  • Substitutions Screenshot
  • Substitutions Screenshot
  • Substitutions Screenshot

About the Substitutions

When a product variant goes out of stock, Shopify blocks the purchase and you lose the sale. Substitutions solves this by letting you pre-approve backup products that automatically swap in at fulfillment. Your out-of-stock variants stay sellable, customers pay their original cart price, and your backup SKU ships instead. The app handles quantity substitutions (ship two 6-packs when the 12-pack runs out) and bundle substitutions (swap one item in a gift set while the rest ships intact). Smart recommendations help you identify which variants need coverage and suggest pre-matched backups. When your backup inventory runs out, the variant automatically returns to out-of-stock status so you never oversell. Built for CPG brands, subscription boxes, and B2B businesses with substitute SKU agreements. Stop losing orders to stockouts.
Launched: November 18, 2024

Key features

  • Smart Recommendations: variants worth covering, with backups pre-matched
  • Keeps out-of-stock variants sellable, swaps in your backup at fulfillment
  • Quantity substitutions: ship two 6-packs when the 12-pack runs out
  • Bundle substitutions: swap one item in a gift set, the rest ships intact
  • When backups run out, the variant goes back to out-of-stock — you never oversell

Pricing of Substitutions

Free

Free

  • 2 substitution rules
  • 75 substituted orders
  • 3 variants per substitution rule
  • 30-day history
  • 48-hr email support

Starter

$14.99 / month

or $143.88/year and save 20%
  • 6 substitution rules
  • 350 substituted orders
  • 5 variants per substitution rule
  • 30-day history
  • 48-hr email support

Growth

$49.99 / month

or $479.88/year and save 20%
  • 15 substitution rules
  • 1,000 substituted orders
  • 10 variants per substitution rule
  • 90-day history
  • 24-hr priority support
  • Bundle substitutions
  • Quantity substitutions

Scale

$249.99 / month

or $2,399.88/year and save 20%
  • Unlimited substitution rules
  • Unlimited substituted orders
  • Unlimited variants per substitution rule
  • 90-day history
  • 24-hr priority support + Dedicated AM
  • Bundle substitutions
  • Quantity substitutions
  • Uptime SLA: 99.9% with credits
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