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Square Point of Sale vs Posnic POS: catalog facts
Square Point of Sale	Posnic POS
Freemium Sign-up is open on the website; check Square's pricing page for current plans and fees.	Freemium The local edition is free; optional cloud services are paid.
Web	Windows, macOS, Linux, Web
Payments, orders, inventory and staff scheduling in one system Separate setups for restaurants, retail, beauty and service businesses	Local edition supports Windows, macOS, and Linux Does not require an account for local use
Tied to Square's own payment processing Research does not detail fees or hardware requirements	Cloud services are optional paid offerings Published runtime evidence covers Windows only
Hosted service	Downloadable app, Web application
Closed source	Open source
License not stated	License: AGPL-3.0-only
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.