You can save basic contact details in a customer library after each purchase, accept tips and add discounts. The app also lets you view transactions, sales reports and basic sales analytics like top-selling products. Apart from accepting cards and cash, payment methods include (physical) gift cards, payment links, email invoices and PayPal QR codes for touch-free transactions.
The only other Zettle POS system you can upgrade to is Food & Drink, which is only for very small operations since it lacks a table plan, integrations with online ordering and other advanced features.
You can, however, integrate the Zettle payment system with other EPOS like Vend, Lightspeed and Revel, as well as accounting software (QuickBooks, Xero) and ecommerce platforms (Shopify, WooCommerce, PrestaShop and more). In other words, there are good options to migrate easily later on.
Compatible card terminals: Zettle Reader