GiftTrigger: Auto Free Gift by Spend (Shopify Functions)
The Opportunity
Automatically add a free gift to the cart once a spend threshold is met—without theme hacks. Built on Shopify Functions for speed and reliability, it adds the gift line and applies a 100% discount when eligible, with guardrails for inventory, exclusions, and multi-currency.
"Merchants want to auto-add a free gift when customers spend over a threshold, but native tools don’t support this workflow cleanly and many solutions require heavy apps or fragile scripts."
Market Validation
Detailed Analysis
Proposed Solution
A lightweight Functions-based app that uses Cart Transform to insert the gift variant when the threshold is reached and a Discount Function to zero-price the gift; includes controls for eligibility rules, limit per order, exclusions, inventory sync, and a minimal app-embed banner to communicate the offer.
Target Audience
Shopify merchants running promotions, DTC brands, marketers, and agencies seeking reliable gift-with-purchase automation.
Competitive Landscape
EasyGift: Auto Add to Cart, Free Gifts BOGO (Secomapp), Gift with Purchase (HulkApps), Monk Free Gift & Cart Deals
Implementation Notes
Implement Shopify Functions: (1) Cart Transform to conditionally insert a designated gift variant when the pre-discount subtotal (configurable) meets the threshold; (2) Discount Function to target the inserted variant with a 100% discount so the gift is free without changing catalog pricing. Provide admin UI for thresholds, currencies, product/collection exclusions, limit per order, auto-remove/re-add behavior if conditions change, and inventory checks via the Admin API. Add a theme app embed for on-page messaging and progress bars. Ensure compatibility with combined discounts, taxes, and multi-currency; test edge cases like gift removal, out-of-stock, and draft orders.
Evidence from Merchants
Real quotes from Shopify community forums
"We want to run a promotion where a customer is entitled to a free gift once they spend over a certain amount."
"I want to add the free gift item into the customer’s cart."
"How is this possible WITHOUT AN APP?"
Key Pain Points
Need for promotional functionality without using an app
highMentioned by 1 merchants
Impact: Potential loss of promotional sales if not implemented
Market Metrics
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