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Head-to-head · Small Business eCommerce Software

BigCommerce vs Square Online

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score BigCommerce #2 in Small Business eCommerce Software 9.1/10 15-day trial Free trial✓ 1 of 3 features Visit BigCommerce
Square Online #4 in Small Business eCommerce Software 8.8/10 Free plan · 30-day trial Free planFree trial✓ 0 of 3 features Visit Square Online

BigCommerce leads on 0 checks, Square Online on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBigCommerce · 9.1/10
  • Free planonly Square Online
  • Free trialboth
  • Most featuresBigCommerce · 1 of 3

BigCommerce scores higher on our rubric for small business ecommerce software: 9.1 against 8.8 out of 10; our editors rank them #2 and #4.

Square Online offers free plan; BigCommerce doesn't.

BigCommerce is the better fit for growing sellers needing deeper commerce controls. Square Online is the better fit for small sellers who want a free start and Square POS.

  • BigCommerce fits best

    Growing sellers needing deeper commerce controls

  • Square Online fits best

    Small sellers who want a free start and Square POS

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature BigCommerce 9.1/10 Visit ↗ Square Online 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #2 in Small Business eCommerce Software #4 in Small Business eCommerce Software
Best for Growing sellers needing deeper commerce controls Small sellers who want a free start and Square POS
Pricing model Paid Free plan + paid
Starting price $29/mo —
Free plan — ✓ (best)
Free trial 15 days 30 days
Free trial length 15 days · no card needed 30 days
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Email, Live chat, Phone, Community, Docs · 24/7 Live chat, Email, Phone
Integrations 1,000+ integrations 7 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features BigCommerce 1/3 · Square Online 0/3
Built-in POS Not checked yet Not checked yet
Abandoned cart recovery ✓ (best) Not checked yet
Marketplace selling Not checked yet Not checked yet
Specs
Product limit Not checked yet Not checked yet
Staff accounts Not checked yet Not checked yet
Store deployment Not checked yet Not checked yet
Our review
Pros
  • Omnichannel selling with marketplaces, social, advertising, and POS channels
  • B2B tools, multi-storefront management, and headless commerce APIs
  • Built-in analytics, SEO, shipping, tax, and abandoned-cart recovery
  • Free plan includes a store and website builder with no monthly subscription cost
  • Syncs product catalog and inventory with Square Point of Sale
  • Supports shipping, local delivery, pickup, subscriptions, and bundles
Cons
  • No free plan; the free trial lasts 15 days
  • Transaction fees vary by setup
  • Performance starts at $1,499 per month billed annually
  • Processing fees apply when taking payments on Square Free
  • Paid plan pricing is not specified for Square Plus or Square Premium
  • Its listed integrations center on Square, Google, and Meta services
Our verdict

BigCommerce is a hosted ecommerce platform for businesses selling through online storefronts, marketplaces, social channels, point-of-sale integrations, and other sales channels. It supports product catalogs, variants, inventory, checkout,…

Read the review →

Square Online combines a website builder with e-commerce tools for businesses that want to list products, take online payments, and connect online sales with Square Point of Sale. It suits small sellers looking for a…

Read the review →
  1. BigCommerceSmall Business eCommerce Software 9.115-day trial
  2. Square OnlineSmall Business eCommerce Software 8.8Free plan · 30-day trial

Strengths and trade-offs

  • BigCommerce — where it wins

    • Omnichannel selling with marketplaces, social, advertising, and POS channels
    • B2B tools, multi-storefront management, and headless commerce APIs
    • Built-in analytics, SEO, shipping, tax, and abandoned-cart recovery

    Where it doesn't

    • No free plan; the free trial lasts 15 days
    • Transaction fees vary by setup
    • Performance starts at $1,499 per month billed annually
  • Square Online — where it wins

    • Free plan includes a store and website builder with no monthly subscription cost
    • Syncs product catalog and inventory with Square Point of Sale
    • Supports shipping, local delivery, pickup, subscriptions, and bundles

    Where it doesn't

    • Processing fees apply when taking payments on Square Free
    • Paid plan pricing is not specified for Square Plus or Square Premium
    • Its listed integrations center on Square, Google, and Meta services

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update