Square Online vs Shift4Shop

Two e-commerce tools side by side. Prices are the starting plan a small business would pick, in USD.

Compare	Square OnlineBlock	Shift4ShopShift4
In one line	Free online store that runs on your Square account	One unlimited store plan for $41 a month
Starting price	Free	From $41/mo
Six-person team	$0/mo	$41/mo
On $10,000 of card sales	$370/mo	Your own card processor
Plans	Free (online cards 3.3% + 30¢); Plus $49/mo per location (2.9% + 30¢); Premium $149/mo per location adds real-time shipping rates; 1.5% extra on non-US cards	End-to-End plan $41/mo: unlimited products, staff, and bandwidth; no setup or transaction fees; US only
Pricing model	Free tier	Paid
Free trial	30 days	—
Users	No per-seat fee	Unlimited
Both connect to	Mailchimp, Klaviyo
Also connects to	No others on record	Constant Contact, Omnisend, Kit
Team size	Just me · 2–10 people · 11–50 people	2–10 people · 11–50 people
Available in	US · UK · CA · AU	US
Phone support	Every plan (US)	Every plan
Live chat	Plans not stated	None listed
Support hours	Phone: 6am–6pm PT M–F for the first 90 days (Square Free only), 6am–6pm PT M–F (Square Plus only), 24/7 (Square Premium only)	Phone: 24x7x365 · Email: 24x7x365
Incidents posted	14 incidents posted on Block's status page, which covers all Block products and regions, in the 90 days to Oct 27, 2026; 0 marked major or critical by Block. Status page	We found no public status page for Shift4.
Capterra score	4.6 / 5 from 332 reviews	Not listed
Trustpilot score	Not listed	1.5 / 5 from 28 reviews
Fit: Retail shop	80	60
Fit: Restaurant or café	85	15
Fit: Service business	55	15
Fit: Agency or studio	15	15
Fit: Trades or contractor	30	15
Fit: Online store	65	72
Why people pick it	Free plan with pickup, delivery, and shipping Same account as Square POS	No product or sales caps Unlimited staff accounts
Where it falls short	Paid plans are charged per location Checkout must use Square payments	US only Smaller app ecosystem than Shopify
	Visit Square Online ↗	Visit Shift4Shop ↗

Six-person prices are what a team of six would pay on the published plans; "Not listed" means those plans don't cover six. Card sales costs include the plan price and card fees at US rates, at a $75 average sale. How we calculate prices