Shopify gives you a default customer profile out of the box: name, email, address, marketing consent. For many stores that’s enough. For others, especially niche stores, B2B, and subscription brands, it isn’t. That’s where Shopify customer fields apps come in. They let you collect extra information at signup, checkout, or in the account page, then use it to personalize email, gate access to wholesale pricing, or improve fulfillment accuracy.

What Can You Do with Shopify Customer Fields Apps?

A customer fields app extends Shopify’s built-in customer record so you can ask for and store information Shopify doesn’t capture by default. Common use cases:

  • Wholesale and B2B forms: ask for company name, VAT number, resale certificate, or estimated annual volume on registration so you can vet buyers before approving a wholesale account.
  • Niche-specific intake: a pet store can ask for pet breed and birthday; a custom apparel store can ask for measurements; a subscription box can ask for diet, skin type, or fragrance preference.
  • Marketing segmentation: capture interests, source channels, or birthday at signup, then feed that into Klaviyo or Shopify Email for tagged automation.
  • Compliance and consent: add age verification fields, SMS opt-in confirmation, or terms acceptance that needs to live on the customer record for legal reasons.
  • Order accuracy: for stores that need delivery instructions, gate codes, or preferred contact times, custom fields keep that data attached to the customer instead of getting buried in order notes.

The right app depends on where you need the fields to appear (registration, checkout, account page) and where the captured data needs to flow (Shopify metafields, your email tool, a back-office spreadsheet). Use this {month_token} round-up to compare the leading options for {month_year}, what each one does well, and which one fits your store best.

Key Takeaways
1
Customer fields apps extend Shopify’s default customer record with extra fields at signup, checkout, or in the account page.
2
The best fit depends on where you need to collect data (registration page vs. checkout vs. account) and how it flows to your other tools.
3
Most apps store custom field data in Shopify metafields, which makes it portable across email, segmentation, and reporting tools.
4
For wholesale gating or compliance use cases, look for apps that support admin approval workflows, not just plain field capture.

7 Best Shopify Customer Fields Apps 2026 - Our List: