Square logo

Square

Unified payment and commerce platform spanning in-store POS, online checkout, and invoicing. Shared inventory and customer records across channels make it popular with omnichannel SMB.

Daniel Busch
Written by Daniel Busch · Chief of Staff · Updated June 7, 2026

Pricing

From
2.9% + 30¢
Trial
Free tier
See full pricing

Reviews

In short

  • Unified POS, online checkout, and invoicing on one merchant account
  • Shared inventory, customer, and reporting across in-store and online
  • Free hardware reader on signup and no monthly fee on the entry tier
  • Best fit: omnichannel SMB and mid-market brands selling in-store and online

What is Square

Square is a unified payment and commerce platform that started as an in-store point-of-sale and expanded into online checkout, invoicing, payroll, banking, and capital. The single merchant account, shared inventory, and unified customer records across channels are the wedge: a small or mid-market brand selling at a market, in a retail location, and online can run all three surfaces on one platform without manually reconciling between systems.

Where Square fits in 2026

Square is the right pick for omnichannel SMB and lower mid-market brands where in-store and online sales share inventory, customers, and reporting. The platform’s roots are in-person retail, food service, and services businesses, and the online side reads as an extension rather than a standalone Shopify competitor. The free entry tier (no monthly fee, free card reader) makes Square one of the easiest payment platforms to start with.

The honest trade-off is depth at the e-commerce side. For pure online DTC, Shopify with Shopify Payments is more capable, more themeable, and has a deeper app ecosystem. For enterprise omnichannel, Lightspeed or Toast outperform Square in their respective verticals (retail, food). Square earns its keep when the omnichannel use case is real and the operation is small enough that simplicity beats specialisation.

How Square compares to alternatives

Versus Shopify Payments: Shopify Payments is online-first with a deeper e-commerce ecosystem. Square is in-store first with online as an extension. Stores that primarily sell online pick Shopify; stores that primarily sell in-person pick Square; true omnichannel stores often run both with sync between them. Versus Stripe: Stripe is the developer-first payment infrastructure for online businesses. Square bundles payment processing with POS hardware, inventory, payroll, and other operational software. Different categories, sometimes used together (Stripe for online checkout, Square for in-store POS). Versus Clover: Clover is the closest in-store POS competitor. Clover requires monthly software plans on top of processing fees and has early termination fees; Square is genuinely free at the entry tier. Square is generally the friendlier choice for SMB unless a specific Clover feature is required.

FAQ about Square

What are Square’s payment processing fees?

On the free plan: 2.6% + $0.15 in person, 3.3% + $0.30 online, and 3.5% + $0.15 for keyed-in or card-on-file. The $49/month Plus plan lowers in-person to 2.5% + $0.15, and the $149/month Premium plan goes to 2.4% + $0.15. Custom rates are available above $250K/year.

Is Square free to start?

Yes. You can create a Square account, take payments, and run a basic POS or online store at $0/month. You only pay per-transaction processing fees until you opt into Plus or Premium.

How does Square compare to Stripe?

Square is built for businesses that need both in-person POS and online payments out of the box, with hardware and a unified inventory. Stripe is built for online and developer-led businesses, with deeper APIs, subscription billing, and global coverage.

How fast does Square pay out?

Standard next-business-day transfers are free. Same-day or instant transfers cost 1.95% per transfer.

Does Square work outside the US?

Yes, but coverage is limited to the US, Canada, UK, Australia, Ireland, France, Spain, and Japan. If you need broader global processing, Stripe and Adyen have wider coverage.

How to use Square?

Sign up at squareup.com, order a free magstripe reader or buy a terminal, and you can take payments the same day. Online checkout and invoicing activate from the dashboard with no setup fees.

Why choose Square?

Square unifies in-store POS, online checkout, and invoicing under one account with shared inventory and customer records. SMB omnichannel merchants pick it over Stripe for the integrated hardware and POS experience.

How to learn Square?

Square maintains a Support Center at squareup.com/help along with Square Town Square educational content. Their YouTube channel has product walkthroughs and certified partners offer paid training.

What are Square alternatives?

Common alternatives include Stripe, PayPal, Shopify Payments, and Toast. Square differs by combining hardware, POS, and online payments in one ecosystem aimed at SMB.

What are Square reviews?

Square is rated 4.7 on Capterra with 2691 reviews. See the reviews for detailed feedback.

Does Square have an API?

Yes, Square provides REST APIs covering payments, orders, catalog, and customers. Documentation is at developer.squareup.com.

Does Square have a trial or a demo?

Square is free to start with no monthly fees, you only pay per transaction. Sign up at squareup.com.

Does Square have AI?

Yes, Square offers the Square AI Assistant for conversational business insights, AI-powered voice ordering that takes customer calls and routes orders to the POS, and generative AI tools for menu creation, product photo backgrounds, and marketing content. Local data like weather and events feeds into recommendations.

Square pricing

Square pricing starts at 2.9% + 30¢. Plans are organised as Per transaction. A free tier option is available. See the full Square pricing page for current tiers and any add-ons.

Take payments and run your business with Square
Take payments and run your business with Square