Block Square Point of Sale is checkout software that enables businesses to accept in-person payments, manage item catalogs and sales, and perform core POS operations with optional add-ons for advanced retail and restaurant workflows.
Published Sep 30, 2026
| Starting Price | Entry-level software often provided with no monthly fee (processing fees apply) | Requires a Shopify subscription; POS functionality and add-ons depend on plan | Plans range from entry-level options to contract-based offerings depending on package |
| Best For | SMBs needing rapid setup and integrated payments/hardware; mixed retail and light restaurant use cases | Omnichannel retail where e-commerce capabilities are central | Restaurant operations that require hospitality-specific features (KDS, coursing, delivery integrations) |
| Key Strength | Integration between payments, hardware, POS, and add-on services; low upfront software cost for many use cases | Strong e-commerce and catalog management; omnichannel capabilities | Deeper restaurant workflow support and integrations |
| Key Weakness | Reported variability in support, potential limits for complex workflows, and processing fees at scale | Monthly costs and add-on fees can increase total cost | Pricing and contract complexity; add-on costs can be substantial |
—
Square vs Shopify POS (retail/omnichannel):
Square vs Toast (restaurants):
Square vs Clover (general SMB POS):