A free store that syncs with your Square register

Square Online

The obvious online store for businesses already on Square: the only major builder with a free selling plan, with online and in-person inventory in sync. Best for local, omnichannel selling; design tools are weak and the free plan's 3.3% online processing fee is high.

The sensible store for a business that already runs on Square, retail, a restaurant, a salon, or any in-person seller that wants online ordering without leaving the ecosystem. Its headline is the only genuinely free selling plan among major builders: list unlimited products with no monthly fee, paying just processing, and your online store stays in real-time inventory sync with your Square register, so pickup, delivery, social, and in-store all run from one system. The honest trade-offs: design and templates are weak next to Wix or Squarespace, the free plan's online processing rate (3.3% + $0.30) is among the highest and rose in early 2026, custom domains aren't free past year one, paid plans are priced per location, and Square carries a documented account-stability risk. For an existing Square merchant it's the natural choice; for a design-led or non-Square store, look elsewhere.

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Last reviewed Jun 21, 2026

What we like

• ✓The only major ecommerce builder with a genuinely free selling plan — list unlimited products with no monthly fee
• ✓Seamless, real-time integration with Square POS and payments — online and in-person inventory stay in sync
• ✓Ideal for omnichannel local selling: pickup, delivery, social, marketplace, and in-store from one system
• ✓Even the free plan includes your first POS card reader, SSL, and basic SEO
• ✓Paid plans lower processing rates and add loyalty, automation, and real-time shipping

Trade-offs

• −Weak design and customization tools — underwhelming templates compared to Wix or Squarespace
• −The free plan's online processing rate (3.3% + $0.30) is among the highest, and it rose in January 2026
• −Custom domains aren't free past the first year and require a paid plan
• −Paid plans are priced per location, and the best features are gated to the $149 Premium tier
• −Square account-stability risk: some merchants report fund holds and sudden deactivations with little notice