Square Online charges a transaction fee on every sale but syncs with Square’s point-of-sale hardware, while Big Cartel charges no transaction fees at all but caps your catalog at 500 products.
Table of Contents
- Why This Comparison Matters
- Square Online Overview
- Big Cartel Overview
- Head-to-Head: Pricing & Fees
- Head-to-Head: Features & Automation
- Head-to-Head: Ease of Use
- Where StableCommerce Fits
- Who Should Choose Square Online?
- Who Should Choose Big Cartel?
- Migration Guide: Switching from Square Online to Big Cartel
- Frequently Asked Questions
- The Bottom Line
- About This Research
Why This Comparison Matters
Sellers researching Square Online and Big Cartel are usually solving two different problems that happen to land on the same shortlist. One group already runs a physical counter, a food truck, or a market stall on Square hardware and wants their online store to mirror that inventory automatically. The other group is a solo artist or maker who wants a cheap, no-frills storefront and has no interest in point-of-sale hardware at all.
The trouble is that most comparison content treats these platforms as interchangeable “small business website builders” and skips the detail that actually decides the outcome: Square Online’s pricing is built around per-transaction fees because Square makes its money on payment processing, while Big Cartel’s pricing is a flat monthly fee because Big Cartel makes its money on your subscription, not your sales.
That single structural difference changes which platform is cheaper depending on your sales volume, and it changes which platform fits your workflow depending on whether you sell in person too. This guide walks through both platforms’ real 2026 pricing, feature sets, and setup experience so you can match the platform to your actual business instead of guessing from marketing copy.
Square Online Overview
Square Online is the ecommerce layer of the broader Square payments ecosystem. It was built to let businesses that already use Square hardware for in-person sales, cafes, boutiques, farmers market vendors, add an online storefront that shares the same inventory and payment infrastructure.
Strengths:
- Free tier with no monthly fee, useful for testing online sales before committing to a paid plan
- Deep, native sync with Square POS hardware so in-person and online inventory stay aligned automatically
- Strong built-in tools for local pickup, local delivery, and restaurant-style online ordering
Weaknesses:
- Every plan carries a per-transaction processing fee on top of (or instead of) a monthly fee, and you cannot swap in a cheaper payment processor
- The free tier displays Square branding on your storefront and checkout, and blocks a custom domain
- Design and template flexibility is more limited than dedicated ecommerce builders once you move past basic storefront layouts
Square Online’s pricing runs from a free plan with Square branding up to paid tiers with lower processing rates. Confirm current tier names and rates before you commit, since payment platforms adjust processing fees more often than typical SaaS pricing. See Square Online’s official pricing page for the current breakdown.
Big Cartel Overview
Big Cartel has spent close to two decades as the default storefront for independent artists, musicians, and makers who want to sell without learning ecommerce software. The product is deliberately narrow: list items, set prices, get a clean store, and nothing else competes for your attention in the dashboard.
Strengths:
- Zero transaction fees on every plan, including the free tier, so you keep more of each sale
- Genuinely fast to learn. Most sellers have a working storefront within an hour of signing up
- Flat, predictable monthly pricing with no revenue-based surprises
Weaknesses:
- A hard 500-product ceiling on its top plan, with no unlimited tier at any price
- No point-of-sale integration, so sellers with a physical retail counter must run two separate, unsynced systems
- Marketing and automation tools are minimal. There is no built-in email marketing, abandoned cart recovery, or dynamic pricing
Big Cartel’s plans scale by product count rather than by feature access, which keeps the pricing model simple but means growing catalogs eventually force a decision. Confirm current plan names and product caps at Big Cartel’s official pricing page before signing up.
Head-to-Head: Pricing & Fees
| Plan | Monthly Cost | Transaction Fee | Product Limit | Notes |
|---|---|---|---|---|
| Square Online Free | $0 | ~2.9% + $0.30 per online transaction | Unlimited | Square branding shown, no custom domain |
| Square Online Plus | ~$29/month | ~2.9% + $0.30 per online transaction | Unlimited | Custom domain, branding removed |
| Square Online Premium | ~$79/month | ~2.6% + $0.30 per online transaction | Unlimited | Lower processing rate, priority support |
| Big Cartel Free | $0 | None (payment processor’s standard rate applies) | 5 | Entry tier for testing |
| Big Cartel Gold | ~$9.99/month | None (payment processor’s standard rate applies) | 50 | Mid-tier for small, active catalogs |
| Big Cartel Platinum | ~$19.99/month | None (payment processor’s standard rate applies) | 500 | Top tier, hard ceiling |
Pricing shown reflects publicly available figures as of mid-2026 and should be treated as directional, not exact. Fees change, always verify current rates on official pages: Square Online pricing and Big Cartel pricing.
Square Online’s fee is baked into every transaction because it’s a payment processing fee, not an add-on. You cannot route payments through Stripe or PayPal instead and keep the same seamless POS sync. Big Cartel’s “zero transaction fee” claim is about the platform fee specifically. You still pay your payment processor’s own rate (typically close to 2.9% + $0.30 through Stripe or PayPal), so the real gap between the two platforms is smaller than “zero fees” alone suggests, though Big Cartel still comes out cheaper at low-to-moderate volume since it never stacks a platform fee on top.
At $3,000 in monthly sales with roughly 60 orders, Square Online Plus runs about $29 + $205 in processing (2.9% + $0.30 x 60), or roughly $234/month. Big Cartel Platinum runs $19.99 plus standard third-party processing (roughly $117 at 2.9% + $0.30 x 60), landing near $137/month. The gap widens further at higher order counts because Square’s per-transaction $0.30 fee applies to every single order on top of the percentage.
Head-to-Head: Features & Automation
| Feature | Square Online | Big Cartel |
|---|---|---|
| POS hardware integration | Native, deep sync | Not available |
| In-store pickup / local delivery | Built in | Not available |
| Restaurant/food ordering tools | Strong (QR codes, curbside) | Not a focus |
| Product limit | Unlimited | 5 to 500 depending on plan |
| Transaction fees | Yes, on every plan | No platform transaction fee |
| Email marketing | Basic, built in on paid plans | Not included |
| Abandoned cart recovery | Yes, on Plus and above | Not available |
| Digital product sales | Limited | Supported |
| Discount codes | Yes | Yes |
| Custom domain | Paid plans only | All paid plans |
| Mobile app for management | Yes | Yes |
| SEO controls | Basic (title/meta) | Basic (title/meta) |
Square Online’s feature list leans toward businesses that need omnichannel logistics: unified inventory, local fulfillment, and food service tooling. Big Cartel’s feature list is intentionally short. It gives you a storefront and a checkout, and assumes you’ll bring your own tools for anything beyond that, like a separate email marketing platform or a spreadsheet for inventory tracking on a small catalog.
Head-to-Head: Ease of Use
Big Cartel is the faster platform to launch on for a first-time seller with no existing infrastructure. The dashboard has a handful of sections (products, orders, design, settings), and most new sellers can list their first products and go live within an hour. There’s no POS account to link, no payment processor decision beyond Stripe or PayPal, and no restaurant-specific settings to skip past.
Square Online’s setup is fast if you already use Square hardware, since your item catalog and pricing can pull directly from your existing Square account. If you’re starting from zero with no prior Square account, expect a longer setup: creating a Square account, setting up payment processing, choosing a plan, and configuring the storefront separately from any physical location. Neither platform requires coding knowledge, but Square Online has meaningfully more settings to work through because it’s built to support more business types (retail, restaurant, service, online-only) in one product.
For a solo maker with a small catalog and no physical counter, Big Cartel will typically get you to a live store faster. For a business already running Square POS in a physical location, Square Online’s setup time is effectively shortened by the data you’re reusing.
Where StableCommerce Fits
Neither Square Online nor Big Cartel operates your store for you. Square Online automates payment and inventory sync between physical and online sales, but order fulfillment, customer service, and marketing are still manual tasks you perform. Big Cartel goes further in the other direction: almost nothing beyond checkout is automated, which is exactly why it stays simple.
StableCommerce sits in a different category entirely. Rather than giving you a dashboard to operate, it uses AI to run day-to-day store operations directly, including order processing, customer service replies, inventory tracking, and marketing campaigns, with you setting strategic direction rather than executing tasks. For a seller choosing between Square Online and Big Cartel because they’re weighing “POS sync” against “simple and cheap,” StableCommerce is worth a look if the actual bottleneck is the hours spent running the store rather than the storefront itself.
The honest downside: StableCommerce is a newer platform than either Square Online or Big Cartel, with a smaller third-party app ecosystem and fewer years of production track record. It’s also not the right fit for sellers who specifically want full manual control over every operational decision, since the AI is designed to act, not just suggest. Sellers who want a physical POS-online sync should still look at Square Online, and sellers who want the cheapest possible flat-fee simple storefront should still look at Big Cartel. See our detailed breakdowns at StableCommerce vs Square Online and StableCommerce vs Big Cartel for the full comparison against each platform individually.
Who Should Choose Square Online?
- You run a physical retail location, cafe, or restaurant already using Square POS hardware and want inventory to sync automatically between in-person and online sales
- Local pickup, local delivery, or restaurant-style QR ordering are core to how you sell
- You’re comfortable with a per-transaction processing fee in exchange for omnichannel convenience
- You want the option to start free and upgrade as online sales grow, without switching platforms
- Unified reporting across in-person and online revenue matters more to you than platform cost alone
Who Should Choose Big Cartel?
- You’re an independent artist, musician, or maker with a catalog under 500 products, and likely under 50
- You sell in occasional drops or a rotating small catalog rather than continuous high-volume orders
- Avoiding a platform transaction fee matters more to you than built-in marketing automation
- You have no physical retail counter and don’t need POS hardware integration
- Budget is the binding constraint and a sub-$20/month flat fee fits your business better than a percentage-of-sales model
Migration Guide: Switching from Square Online to Big Cartel
Moving from Square Online to Big Cartel is a reasonable step for sellers who close a physical location, want to simplify, or never actually needed POS sync in the first place. Here’s the realistic path.
Step 1: Export your Square catalog. From your Square Dashboard, go to Items and export your product list as a CSV. This captures names, descriptions, prices, and SKUs, though you’ll want to double-check that variant data (size, color) maps cleanly since export formats differ between platforms.
Step 2: Download your order history. Export past orders from Square for your own records. Big Cartel does not import historical order data, so this step is purely for your bookkeeping, not for the new store.
Step 3: Check your product count against Big Cartel’s tiers. If you have more than 500 SKUs (counting variants separately), you’ll need to trim your catalog before migrating, since Big Cartel has no unlimited tier.
Step 4: Create your Big Cartel account and choose a plan. Pick Free, Gold, or Platinum based on your trimmed product count, not your current one.
Step 5: Rebuild your catalog manually or via CSV import. Big Cartel supports CSV product import, but expect to manually re-add product photography and formatting since Square’s export won’t map directly to Big Cartel’s fields.
Step 6: Set up payment processing. Connect Stripe or PayPal to Big Cartel. You’re leaving Square’s payment infrastructure entirely, so test a transaction before going live.
Step 7: Point your domain and go live. Update your DNS to point at Big Cartel, and set up redirects from old Square Online URLs if you want to preserve any search rankings.
Common pitfalls: losing POS-synced inventory accuracy if you still sell in person somewhere, underestimating how much manual re-entry product variants require, and forgetting that Big Cartel has no built-in email marketing, so any existing Square-based marketing workflow needs a separate tool.
Realistic timeframe: a small catalog (under 50 products) typically takes 3 to 5 days. A catalog approaching the 500-product ceiling can take two to three weeks given the manual re-entry involved.
Frequently Asked Questions
Which is cheaper overall, Square Online or Big Cartel?
For most small sellers, Big Cartel is cheaper because it charges no platform transaction fee, only your payment processor’s standard rate. Square Online adds its own transaction fee on top of processing, which adds up quickly at higher order volumes. The gap narrows if you’re on Square Online specifically for POS sync value that offsets the extra fee.
Which platform is better for beginners?
Big Cartel is generally faster for a first-time seller with no existing infrastructure, since the dashboard is intentionally minimal. Square Online is easier for beginners who already have a Square account from in-person sales, since setup reuses existing data.
How long does migration between the two typically take?
A small catalog under 50 products usually migrates in 3 to 5 days. Larger catalogs approaching Big Cartel’s 500-product ceiling can take two to three weeks due to manual data re-entry.
Are there hidden fees on either platform?
Square Online’s advertised processing rate is not hidden, but sellers sometimes overlook that it applies to every transaction with no way to switch processors. Big Cartel has no transaction fee, but you still pay your payment processor’s own standard rate, which some sellers mistake for “completely free.”
Can I use Square Online and Big Cartel at the same time?
Technically yes, since nothing prevents running two separate storefronts, but it creates duplicate inventory management with no automatic sync between them. Most sellers pick one as their primary online storefront rather than maintaining both simultaneously.
Which platform has better SEO tools?
Both offer only basic SEO controls (page titles, meta descriptions), and neither is a strong SEO-focused platform compared to dedicated ecommerce builders. Neither platform differentiates meaningfully here, so SEO shouldn’t be a deciding factor between the two.
What kind of customer support does each platform offer?
Square Online offers 24/7 phone support on paid plans, which suits sellers who want real-time help. Big Cartel offers email support without phone access, which fits its lower price point but means slower response times for urgent issues.
What happens to my data if I cancel my plan?
On both platforms, you generally lose live storefront access once you cancel, though product and order data typically remains exportable for a limited window beforehand. Always export your product catalog, customer list, and order history before canceling either plan, since neither platform guarantees indefinite post-cancellation access.
Does either platform charge extra for a custom domain?
Square Online requires a paid plan (Plus or Premium) to remove Square branding and use a custom domain; the free tier does not support one. Big Cartel supports custom domains on its paid Gold and Platinum tiers.
How does StableCommerce compare to Square Online and Big Cartel?
StableCommerce is built around AI running daily store operations, like orders, customer service, and marketing, rather than giving you a dashboard to operate manually like both Square Online and Big Cartel do. It fits sellers whose real constraint is operational time rather than storefront simplicity or POS sync, though it’s newer and has a smaller app ecosystem than either established platform. See StableCommerce vs Square Online and StableCommerce vs Big Cartel for a full breakdown.
Can I sell digital products on both platforms?
Big Cartel supports digital downloads directly, making it a viable option for artists selling digital files alongside physical goods. Square Online’s digital product support is more limited and geared primarily toward physical retail and food service use cases.
The Bottom Line
Square Online and Big Cartel solve different problems well. Square Online earns its transaction fee by syncing your physical and online inventory automatically and giving you restaurant-grade fulfillment tools, which matters enormously if you run a physical location. Big Cartel earns its lower cost by staying deliberately simple, which matters enormously if you’re an independent maker who just needs a clean, affordable storefront.
If you need point-of-sale integration, restaurant ordering tools, or unified in-person and online inventory, choose Square Online. If you need a low-cost, transaction-fee-free storefront for a catalog under 500 products and no physical retail counter, choose Big Cartel. Compare current pricing on Square Online’s official site and Big Cartel’s official pricing page before you commit either way.
Related Articles
About This Research
This article is desk research compiled from Square Online’s and Big Cartel’s official pricing and documentation pages, cross-referenced with StableCommerce’s internal comparison research. We did not conduct hands-on store setup or transaction testing on either platform for this piece. Pricing and fee figures should be treated as directional and verified directly on each vendor’s official page before you make a purchasing decision, since payment processing rates and plan structures change without notice.
Content reviewed and updated: 2026-07-17
Connect With Us
CartCompare is an independent e-commerce platform research site. Have a platform we haven’t covered yet, or think we got a fact wrong? Reach out via ecomcartcompare.com/about.