Introduction: Modern POS Systems for Modern Businesses
Point-of-sale (POS) systems have evolved far beyond simple cash registers. In 2026, a modern POS system processes payments, tracks inventory, manages customer relationships, generates reports, and integrates with e-commerce platforms. Whether you run a retail store, a restaurant, or a service business, the right POS system can streamline operations and improve the customer experience.
This guide compares three leading POS systems: Shopify POS, Square, and Lightspeed. All pricing, features, and hardware specifications are sourced from official vendor websites and verified user reviews on G2 and Capterra.
Quick Comparison
| Feature | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| Best For | Omnichannel retail (online + in-store) | Small businesses, getting started fast | Specialized retail and restaurants |
| Starting Price | Free with Shopify plan ($39/mo min) | Free (hardware cost only) | $89/mo |
| Transaction Fees | 2.6% + $0.10 (in-person) | 2.6% + $0.10 (in-person) | Varies by processor |
| Hardware | Proprietary POS Go device | Square Terminal, Register, Reader | iPad-based |
| Inventory Management | Good | Basic (free) / Advanced (Plus) | Excellent |
| E-commerce | Full Shopify integration | Square Online (included) | Lightspeed eCom |
| G2 Rating | 4.4/5 | 4.7/5 | 4.0/5 |
Shopify POS: The Omnichannel Leader
Shopify POS is designed for retailers who sell both online and in physical locations. Its primary advantage is seamless integration with the Shopify e-commerce platform, creating a unified inventory, order management, and customer database across all channels.
Key Features
- Unified Inventory: Products, stock levels, and pricing sync automatically between online and in-store channels. Changes made in one place reflect everywhere.
- Omnichannel Selling: Support for buy online, pick up in store (BOPIS), ship to customer from store, and local delivery. These fulfillment options are managed from a single dashboard.
- Customer Profiles: Unified customer records that track purchase history across online and in-store transactions. Support for loyalty programs, gift cards, and store credit.
- Staff Management: Track staff performance, set permissions, and attribute sales to individual team members. Available on the POS Pro plan.
- Smart Grid: A customizable POS home screen where retailers can pin frequently used products, discounts, and actions for faster checkout.
- Hardware: Shopify offers the POS Go, a handheld device with a built-in barcode scanner and card reader. It also supports iPads with the Shopify POS app and compatible card readers.
Pricing (as of 2026)
| Component | Cost |
|---|---|
| Shopify POS Lite | Included with any Shopify plan (from $39/mo) |
| Shopify POS Pro | $89/mo per location (additional) |
| Transaction Fees | 2.6% + $0.10 (in-person, Shopify Payments) |
| POS Go Device | $399 one-time |
| Card Reader | $49 one-time |
| Countertop Kit | $219 one-time |
POS Lite includes basic in-store selling. POS Pro adds inventory management, staff roles, omnichannel features, and detailed analytics. The total monthly cost depends on which Shopify plan you are on plus the POS Pro add-on.
Ease of Use
Shopify POS is intuitive for anyone already familiar with the Shopify platform. The checkout flow is fast, and the smart grid reduces clicks. G2 users rate ease of use at 8.6/10. Training new staff is generally straightforward thanks to the clean interface.
Who Should Choose Shopify POS
Recommended for retailers who already use Shopify for e-commerce or plan to sell across online and physical channels. The unified inventory and omnichannel features are the primary differentiators. Less suitable for businesses that only sell in-store with no online component.
Square: The Most Accessible POS
Square has become synonymous with easy payment processing. It offers a free POS system that covers the basics, making it the most accessible entry point for new businesses. Square's ecosystem includes payment hardware, an online store builder, invoicing, banking, and payroll.
Key Features
- Free POS Software: Square's core POS app is free. It includes payment processing, digital receipts, basic inventory management, and sales reporting.
- Payment Processing: Accept credit cards, debit cards, Apple Pay, Google Pay, and contactless payments. Flat-rate processing with no monthly fees on the free plan.
- Square Online: A free website builder that integrates with the POS. Products, inventory, and orders sync between in-store and online.
- Invoicing: Send professional invoices with the ability for customers to pay online. Included in the free plan.
- Ecosystem: Square's broader ecosystem includes Square Banking (business checking and savings), Square Payroll, Square Loans, and Square Marketing. Everything integrates with the POS.
- Hardware Variety: Square offers multiple hardware options to match different business types and budgets.
Hardware Options (as of 2026)
| Device | Price | Description |
|---|---|---|
| Square Reader | $49 | Compact contactless + chip card reader |
| Square Stand | $149 | iPad-based countertop setup with built-in reader |
| Square Terminal | $299 | All-in-one handheld device with printer |
| Square Register | $799 | Full countertop system with customer display |
Pricing (as of 2026)
| Plan | Monthly Price | Key Inclusions |
|---|---|---|
| Free | $0 | POS app, Square Online, invoicing, basic reporting |
| Plus | $29/mo per location | Advanced inventory, team management, barcode labels |
| Premium | $79/mo per location | Advanced reports, loyalty, marketing automation |
Transaction fees are consistent across plans: 2.6% + $0.10 for in-person payments and 2.9% + $0.30 for online payments.
Ease of Use
Square is regularly cited as the easiest POS system to set up and use. A new business can start accepting payments within minutes of downloading the app. G2 users rate ease of use at 9.0/10, the highest among major POS platforms.
Who Should Choose Square
Recommended for new businesses, pop-up shops, food trucks, service providers, and small retailers who want to start accepting payments immediately with minimal investment. The free plan and flat-rate pricing eliminate financial risk. Less suited for large retailers with complex inventory needs.
Lightspeed: Specialized Retail and Restaurant POS
Lightspeed offers POS systems tailored for two specific verticals: retail and restaurants. Unlike Shopify POS and Square, which serve general commerce, Lightspeed goes deep into industry-specific features like purchase ordering, vendor management, tableside ordering, and floor plan management.
Key Features (Retail)
- Advanced Inventory Management: Multi-location inventory, automated reorder points, purchase ordering, vendor catalogs, and serialized inventory tracking. This is Lightspeed's standout feature.
- Built-in B2B Catalog: Access integrated supplier catalogs to browse and order inventory directly from the POS.
- Custom Reports: Over 40 built-in report templates covering sales, inventory, employee performance, and customer behavior. Custom report builders are available on higher plans.
- E-commerce: Lightspeed eCom provides an integrated online store with inventory sync, SEO tools, and multi-channel selling (Facebook, Instagram, Google Shopping).
- Customer Loyalty: A built-in loyalty program with points, rewards, and customer segmentation. Available as an add-on.
- Multi-Location Support: Manage inventory, pricing, and staff across multiple locations from a single dashboard.
Key Features (Restaurant)
- Table Management: Visual floor plans with table status tracking, reservation management, and server assignment.
- Menu Management: Create and modify menus with modifiers, combos, and time-based availability.
- Kitchen Display System (KDS): Digital order display for kitchen staff, replacing paper tickets.
- Tableside Ordering: Servers can take orders and process payments at the table using mobile devices.
- Delivery Integration: Integrations with DoorDash, Uber Eats, and other delivery platforms.
Pricing (as of 2026)
| Plan (Retail) | Monthly Price | Key Inclusions |
|---|---|---|
| Lean | $89/mo | 1 register, basic inventory, reporting |
| Standard | $149/mo | Accounting integration, e-commerce, loyalty |
| Advanced | $269/mo | Custom reports, API access, dedicated support |
| Enterprise | Custom | Unlimited registers, consultation, custom workflows |
| Plan (Restaurant) | Monthly Price | Key Inclusions |
|---|---|---|
| Starter | $69/mo | Menu management, floor plans, reporting |
| Essential | $189/mo | Multi-location, table management, advanced reporting |
| Premium | $399/mo | Raw API access, custom integrations |
Lightspeed does not include payment processing in its base price. Transaction fees depend on the payment processor chosen and are typically negotiated.
Ease of Use
Lightspeed's interface is well-designed but more complex than Square or Shopify POS. The depth of features (especially in inventory management) means a longer onboarding period. G2 users rate ease of use at 8.1/10. Lightspeed offers guided onboarding and one-on-one implementation support on higher plans.
Who Should Choose Lightspeed
Recommended for established retailers with complex inventory needs (multiple locations, large catalogs, vendor management) and restaurants that need industry-specific features. Lightspeed's depth in these verticals is unmatched by general-purpose POS systems.
Feature-by-Feature Comparison
Inventory Management
| Capability | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| Product Variants | Yes | Yes | Yes |
| Multi-location Tracking | Yes (Pro) | Plus+ | Yes |
| Automated Reorder Points | No | No | Yes |
| Purchase Orders | Third-party app | No | Yes (built-in) |
| Vendor Management | Third-party app | No | Yes (built-in) |
| Serialized Inventory | No | No | Yes |
| Barcode Generation | Yes | Plus+ | Yes |
Lightspeed has the most powerful inventory management by a significant margin. For businesses where inventory complexity is a primary concern, this is a decisive factor.
Payment Processing
| Factor | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| In-Person Rate | 2.6% + $0.10 | 2.6% + $0.10 | Varies |
| Online Rate | 2.9% + $0.30 | 2.9% + $0.30 | Varies |
| Processor Lock-in | Shopify Payments recommended | Square only | Multiple options |
| Offline Mode | Yes | Yes | Yes |
Shopify and Square have transparent, flat-rate processing fees. Lightspeed allows businesses to negotiate rates with their preferred processor, which can result in lower fees for high-volume sellers.
E-commerce Integration
| Feature | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| Online Store | Full Shopify platform | Square Online (basic) | Lightspeed eCom |
| Inventory Sync | Automatic | Automatic | Automatic |
| Buy Online, Pick Up In Store | Yes (Pro) | Yes | Yes |
| Multi-channel Selling | Amazon, Facebook, Instagram, etc. | Limited | Facebook, Instagram, Google |
| SEO Tools | Extensive | Basic | Good |
Shopify POS has the strongest e-commerce integration because it is built on the Shopify e-commerce platform. Retailers who prioritize online selling should weigh this heavily.
Reporting
| Report Type | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| Sales Reports | Yes | Yes | Yes |
| Inventory Reports | Pro | Plus+ | Yes |
| Employee Reports | Pro | Plus+ | Yes |
| Customer Reports | Yes | Yes | Yes |
| Custom Reports | Limited | No | Advanced |
| Real-time Dashboard | Yes | Yes | Yes |
Hardware Comparison
| Factor | Shopify POS | Square | Lightspeed |
|---|---|---|---|
| Proprietary Hardware | POS Go ($399) | Yes (multiple options) | No (iPad-based) |
| iPad Support | Yes | Yes (Stand) | Yes (required) |
| Lowest Hardware Cost | $49 (card reader) | $49 (reader) | ~$49 (card reader) + iPad |
| Receipt Printer | Third-party | Square-branded | Third-party |
| Barcode Scanner | Built into POS Go | Third-party | Third-party |
| Cash Drawer | Third-party | Third-party | Third-party |
Square offers the widest range of proprietary hardware at various price points. Shopify's POS Go is a unique handheld option. Lightspeed requires an iPad, which adds to the initial hardware cost if you do not already have one.
Bottom Line: Choosing the Right POS System
- Choose Shopify POS if you sell online and in-store and want seamless inventory and order sync across channels. It is the strongest omnichannel option.
- Choose Square if you want the lowest-cost, easiest-to-start POS system. The free plan and transparent pricing make it ideal for new and small businesses.
- Choose Lightspeed if you have complex inventory needs, manage multiple retail locations, or run a restaurant. Its industry-specific features go deeper than general-purpose alternatives.
The right POS system depends on where you sell, how complex your inventory is, and how much you are willing to invest in your point-of-sale infrastructure.