App Market Gap

ScaleApps: Custom Fields

by Scale Apps

Add custom fields to products, carts, and orders. Set them by rule or let customers fill them in.

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Launched
Sep 2026
Est. installs
Est. lifetime revenue

First seen 18 Sep 2026 · Data updated 1 week ago

About ScaleApps: Custom Fields

Some orders need more information than Shopify captures by default. This app lets you add custom fields to line items using rules you define. A rule can set a fixed value, build a value from product, variant, & customer variables, or let the customer type their own answer on the product page. You choose which products a rule applies to using product & customer conditions. Fields appear on the order in Shopify admin & through the API, so the data reaches your ERP, fulfillment, and other systems.

Highlights

  • Add custom fields to line items with rules you set — no theme code required
  • Build field values from product, variant, & customer details for an order
  • Let customers add gift messages, engraving, or notes on the product page
  • Target rules by product, collection, tag, type, or customer with match - all/any
  • Fields save on the order in Shopify admin and are available via the API

Languages

English