OpenCart vs Square Online
Compare OpenCart and Square Online on features, pricing, and buyer fit using the same researched criteria.
OpenCart
Best for
- • SMB merchants wanting a free PHP open-source cart
- • Teams comfortable self-hosting and buying extensions
- • Catalogs that do not need Magento/Adobe programme depth
Starting from $0.00/user/mo
Free plan available
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Choose OpenCart if: SMB merchants wanting a free PHP open-source cart
Choose Square Online if: Brick-and-click retailers already on Square POS
Square Online
Square ecosystem online store — Free $0/mo (higher online processing), Plus $49/location, Premium $149/location; 30-day trials on paid tiers.
Best for
- • Brick-and-click retailers already on Square POS
- • Local businesses adding a simple online catalog
- • Merchants prioritizing in-person + online unity over app marketplace breadth
Starting from $0.00/user/mo
Free plan available
OpenCart vs Square Online pricing
OpenCart researched starting price from $0/mo; a free plan is researched. Square Online researched starting price from $0/mo; a free plan is researched. Affiliate economics excluded.
OpenCart
From $0.00/user/mo
Square Online
From $0.00/user/mo
OpenCart
Starting from $0.00/user/mo
No free trial evidenced
- OpenCart (open source)Popular$0.00/user/mo
- Free GPL download — you own hosting, security, extensions, and agency work.
- Managed cloud (confirm live)Custom
- Secondary sources cite ~$59–$99/mo managed hosting — confirm live; not treated as first-party confirmed tiles.
Square Online
Starting from $0.00/user/mo
Free trial available
- Square Free$0.00/user/mo
- $0/mo — pay processing; limited customization vs paid tiers.
- Square PlusPopular$49.00/mo
- $49/mo per location — custom domain, marketing/loyalty depth, lower online rate.
- Square Premium$149.00/mo
- $149/mo per location — lowest in-person rates, 24/7 phone support.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
OpenCart
$0.00/mo
Square Online
$0.00/mo
Similar estimated cost
Verified monthly unit prices · Aug 18, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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