Payment Processing · Updated 2026
Quick Verdict
Choose Square if you need a versatile, platform-agnostic payment system for in-person or multi-channel sales. Choose Shopify Payments if you are building or running an online store exclusively on Shopify and want payments deeply embedded in your e-commerce workflow.
Square and Shopify Payments are both all-in-one payment solutions but with fundamentally different strategic anchors. Square is a standalone, multi-channel ecosystem serving businesses both online and offline, with a free-to-start pricing model. Shopify Payments is a native feature of the Shopify e-commerce platform, offering seamless integration but locking you into its ecosystem. Square targets a broad range of physical and service businesses, while Shopify Payments exclusively serves merchants on the Shopify platform.
Side-by-Side Comparison
| Aspect | Square | Shopify Payments |
|---|---|---|
| Pricing | Free to start; pay per transaction. | No additional fee beyond Shopify plan; transaction fees apply. |
| Ease of Use | Excellent for in-person and simple online sales; unified dashboard. | Seamless for online stores; managed entirely within Shopify admin. |
| Scalability | Scales from a single reader to full retail/restaurant POS suites. | Scales with your Shopify store's plan and sales volume. |
| Integrations | Broad third-party ecosystem; works with many platforms. | Deeply integrated with Shopify apps and features; platform-locked. |
| Open Source | No | No |
| Best For | Omni-channel, in-person, and service businesses. | Shopify-based e-commerce stores. |
Choose Square if...
Square is the superior choice for businesses that operate primarily in-person (like retail stores, restaurants, or pop-ups) or need a flexible solution that works across multiple sales channels independently of a website builder. It's also ideal for freelancers and mobile sellers due to its free entry point and versatile hardware options.
Choose Shopify Payments if...
Shopify Payments is the unequivocal choice for any merchant using Shopify for their online store. It eliminates the need for a third-party payment gateway, simplifies setup and reconciliation, and is optimized for the online checkout experience. The tight integration reduces fees and administrative overhead within the Shopify environment.
Product Details
Square
A comprehensive ecosystem of hardware and software tools for businesses to accept payments, manage operations, and access financing.
Pricing
Free
Best For
Small to medium-sized retail, restaurant, and service-based businesses, as well as mobile sellers and freelancers, seeking an all-in-one commerce solution.
Key Features
Pros
- + Simple, transparent flat-rate pricing for payments
- + Highly integrated ecosystem of hardware, software, and banking services
- + Easy to set up and use with no long-term contracts
Cons
- - Higher transaction fees can be costly for high-volume businesses
- - Customer service can be difficult to reach for complex issues
- - Hardware is proprietary and can be expensive
Shopify Payments
A fully integrated payment processing solution built directly into the Shopify platform.
Pricing
Included with Shopify subscription
Best For
Existing Shopify merchants seeking a streamlined, all-in-one payment solution directly within their e-commerce platform.
Key Features
Pros
- + Seamless setup and unified dashboard with store operations
- + No transaction fees on top of standard Shopify subscription fees
- + Competitive, transparent processing rates based on Shopify plan
Cons
- - Exclusively available to merchants on Shopify, not a standalone service
- - Account suspension can affect both store and payments access
- - Limited to countries and currencies officially supported by Shopify