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Expert Picks

Best Retail POS Systems 2026

Retail POS systems must unify in-store and online inventory, support omnichannel selling, and integrate with your existing tools. Square POS is free and fast to set up for single locations, while Shopify POS excels if you're already using Shopify's ecommerce platform. For larger retailers, Lightspeed offers enterprise features; for Canadian businesses, Helcim eliminates markup fees with interchange-plus pricing.

  1. 1
    Best Overall

    Clover POS

    by Fiserv Inc.

    $14.95

    /mo

    Flexible POS hardware and software with an app market for retail and restaurants.

    Visit Clover POS →Full review
  2. 2
    Runner-UpFree tier

    Helcim

    by Helcim Inc.

    $0

    /mo

    Canadian-friendly POS with interchange-plus pricing and no monthly fee.

    Visit Helcim →Full review
  3. 3
    #3

    Lightspeed POS

    by Lightspeed Commerce Inc.

    $89

    /mo

    Enterprise-grade POS for retail and restaurants with deep inventory and analytics.

    Visit Lightspeed POS →Full review
  4. 4
    #4

    Shopify POS

    by Shopify Inc.

    $29

    /mo

    The best POS for omnichannel retailers already on Shopify's e-commerce platform.

    Visit Shopify POS →Full review
  5. 5
    #5Free tier

    Square POS

    by Block Inc.

    $0

    /mo

    The most popular free POS system for small businesses — start selling in minutes.

    Visit Square POS →Full review

Final Thoughts

If you're on Shopify, Shopify POS is unmatched for omnichannel sync. Otherwise, start with Square's free tier and upgrade to Lightspeed only when you need inventory depth across multiple stores.

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