Odoo POS system offers a free one-app plan that includes all core point of sale features, ideal for UK small businesses testing the waters. The Odoo point of sale software on this free plan handles VAT correctly for UK tax requirements, manages inventory, and processes payments without monthly subscription costs. If you need advanced features like multi-store support, eCommerce integration, or automated reordering, the paid plans start around £20 per user monthly. Most UK small businesses find the free plan sufficient initially, then upgrade as they grow and need more capabilities.