- Short answer
- Not natively in the Shopify pages we read: an app such as SKU IQ syncs Square POS, or the free Store Migration app imports products and customers.
- Shopify's own advice
- Linking Square POS to a Shopify storefront is possible but not recommended, per Shopify's comparison page.
- Sync app cost
- November 2, 2026 listings: SKU IQ Basic $19 a month, quantities only; Thrive from $59, plan with Square unstated.
- Migration limits
- Store Migration is free but leaves order history behind; Square items over 3 options or 100 variations lose variants.
- Square Payments
- Shopify's blog says it can't be integrated directly with Shopify.
- What we checked
- Shopify Help, App Store and changelog pages, November 2, 2026; Square's own documentation was unreachable.
Is there a built-in Shopify–Square integration?
No Shopify page we read on November 2, 2026 describes a built-in sync with Square — not the migration guide, App Store listings, POS hardware help or changelog, whose only Square POS entry is a 2021 migration post. Square's documentation couldn't be opened that day.
Shopify's own comparison page, a marketing page with a stake in your choice, allows the link but advises against it:
While you can integrate Square POS with your online Shopify storefront, it’s not recommended.
Should you sync Square or move to Shopify?
A sync app keeps both systems running; Store Migration moves products, customers and stock once. Apps found on the Shopify App Store; Square's own marketplace couldn't be reached:
- SKU IQ syncs inventory, orders and catalog with a point-of-sale; Basic, $19 a month, syncs stock quantities only; a free Add-On plan is listed for stores that already have SKU IQ installed on their POS.
- Thrive Inventory Management works with Square; its listing doesn't state the sync direction or which plan includes the Square connection. Plans start at $59 a month.
- DPL Square Integration syncs customer data and gift cards both ways, per its listing; gift-card sync, up to 500 a month, is on its Platinum plan, $99.99 a month.
- Store Migration, free from Shopify, imports products and customers from a CSV you export from Square.
- Stock at each Square location arrives once, not as a sync.
- Items over 3 options or 100 variations import without variants, at a price of 0.
- Order history takes third-party migration apps; see what else moves.
Can Square still process payments for your Shopify store?
Online, Shopify's blog guide to payment gateways says you can't directly integrate Square Payments with Shopify.
At the counter, a terminal off Shopify's supported card-reader list counts as an external card reader: a payment processor's terminal, set up in Shopify POS as a custom payment type. Shopify shows only the payment status, no transaction details, and you mark the order as paid in POS yourself. See which old hardware still works.
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