Best POS System for Small Business in 2026
We tested every major POS system so you can find the right one for your store, restaurant, or service business. Here is exactly which system wins for ease, features, and value in 2026.
Square is the best free POS for most small businesses — no monthly fee, free card reader included. Shopify POS is best if you sell both online and in-person. Toast is the top choice for restaurants specifically.
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We tested each POS by processing transactions, managing inventory, running end-of-day reports, and evaluating hardware options. We specifically tested Canadian payment processing (Interac, tap-to-pay) and GST/HST tax configuration for each platform. Processing rates verified directly on vendor websites. Last updated May 2026.
01 POS processing rates — what you actually pay per transaction
Processing fees are the most important cost in any POS system. A 0.5% difference on $500,000/year in sales is $2,500. Here are the real rates for each system.
🇨🇦 Canadian POS note — Helcim
For Canadian businesses processing over $50,000/year, Helcim offers interchange-plus pricing starting at 0.4% + 8¢ — dramatically cheaper than Square or Shopify's flat rates. Helcim is a Calgary-based company with full Interac support, no monthly fees, and no contracts. Worth calculating your break-even before defaulting to Square.
02 Square — Best free POS for small business
Square is the default POS choice for most small businesses starting out. The software is completely free — you pay only 2.6% + 10¢ per in-person transaction with no monthly fee. The free card reader plugs into a phone or tablet and works immediately. Square's ecosystem extends to online store, invoicing, payroll, appointments, and marketing — making it a genuine all-in-one platform for small businesses that want to avoid managing multiple tools. Available in the USA, Canada, Australia, UK, and Japan.
- Free POS software — no monthly fee
- Free card reader included with signup
- Works with iPhone, iPad, Android
- Inventory, invoicing, and analytics all free
- Square Online — free ecommerce store
- Available in Canada with Interac support
- Offline mode — works without internet
- Processing rates higher than interchange-plus at volume
- Account holds/freezes more common than bank processors
- Limited for complex restaurant table management
- Advanced features require paid plans
03 Shopify POS — Best for selling online and in-person
Shopify POS is the strongest choice for businesses that sell both online (Shopify store) and in-person. Inventory syncs in real time between channels — sell a product in store and it's immediately removed from your online inventory. Staff can look up online orders, process returns from any channel, and see full customer purchase history across online and in-person purchases. The Shopify POS Go handheld device (iPad alternative) gives staff a portable, all-in-one terminal for floor sales. A natural choice for Shopify merchants adding a physical retail presence.
- Real-time inventory sync with Shopify online store
- Unified customer profiles across online + in-person
- Shopify POS Go — portable handheld terminal
- Omnichannel returns (return in store, bought online)
- Canadian company — full CAD + GST/HST support
- Staff management and permissions
- Requires a Shopify subscription ($39/mo+)
- Transaction fees if not using Shopify Payments
- Less suitable for restaurants (use Toast)
- Advanced POS features need Shopify POS Pro ($89/mo add-on)
04 Toast — Best POS for restaurants
Toast is purpose-built for restaurants and food service businesses. Its free Starter Kit plan covers the basics — POS, payment processing, and basic reporting at no monthly fee. Paid plans add table management, kitchen display systems (KDS), online ordering, delivery integration, gift cards, and staff scheduling. Toast hardware is ruggedised for the kitchen environment and includes tableside ordering tablets for servers. It's significantly more capable than Square for restaurants, though you must use Toast Payments as the processor with no option to switch.
- Free Starter Kit plan for basic restaurant needs
- Kitchen Display System (KDS) integration
- Table management and floor plan builder
- Online ordering built in
- Restaurant-ruggedised hardware
- Staff scheduling and payroll add-on
- Must use Toast Payments — cannot switch processors
- Hardware costs higher than Square
- US-focused — limited Canadian availability
- Long-term contracts on some plans
05 Lightspeed — Best for retail and best for Canada
Lightspeed is headquartered in Montreal, Quebec and built for Canadian retail and hospitality businesses from the ground up. Its retail inventory management is the most sophisticated on this list — purchase orders, vendor management, multi-location stock tracking, and automatic reorder points. For Canadian businesses, Lightspeed Payments processes Interac debit natively (not just as a work-around), handles GST/HST/PST/QST by province automatically, and bills in CAD. If you run a retail store with serious inventory complexity, Lightspeed is the professional choice.
- Headquartered in Montreal — built for Canada
- Native Interac debit processing
- GST/HST/PST/QST automatic by province
- Best retail inventory management on this list
- Multi-location stock management
- Purchase orders and vendor management built in
- Also strong for restaurants (Lightspeed Restaurant)
- More expensive than Square at entry level
- Annual contract required on most plans
- Steeper learning curve than Square
- Hardware more expensive
06 Clover — Best customisable hardware and software
Clover offers the widest range of hardware form factors of any POS system — from a Clover Go (phone dongle) to Clover Mini (compact countertop) to Clover Station (full retail terminal) to Clover Kiosk (self-service). Its App Market lets you add hundreds of third-party integrations for virtually any business need. Clover is sold through banks and merchant services providers, which means processing rates are negotiable — unlike Square's fixed rates. A strong choice for established businesses with specific hardware needs or negotiating leverage on rates.
- Widest hardware range — from dongle to full kiosk
- Negotiable processing rates through merchant services
- Large App Market for customisation
- Works with many payment processors
- Strong for full-service retail and restaurants
- Hardware must be purchased upfront ($49–$1,649)
- Sold through resellers — support varies
- Not ideal for ecommerce integration
- Can be locked to specific processors
07 Full POS comparison 2026
| POS System | Monthly fee | In-person rate | Free plan | Canada | Best for |
|---|---|---|---|---|---|
| Square | $0 | 2.6% + 10¢ | ✓ | ✓ Interac | General retail, services |
| Shopify POS | $39+ (Shopify plan) | 2.4–2.7% | ✗ | ✓ Canadian HQ | Shopify merchants |
| Toast | $0 Starter | 2.49% + 15¢ | ✓ Starter | Limited | Restaurants |
| Lightspeed | $149/mo | 2.6% + 10¢ | ✗ | ✓ Best Canada | Retail, Canadian businesses |
| Clover | $14.95+/mo | 2.3–2.6% | ✗ | Partial | Customisable hardware |
| Helcim | $0 | 0.4% + 8¢ (avg) | ✓ | ✓ Calgary HQ | Canadian volume processing |
Best POS system for Canadian businesses 2026
Canadian POS systems need to handle Interac debit (still the most common payment method in Canada), provincial tax rates (GST/HST/PST/QST), and ideally offer CAD billing with Canadian customer support.
08 How to choose a POS system
09 Frequently asked questions
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