In comparison, Square offers a competitive software suite but is not as extensive in terms of integration options. While Square's software is user-friendly and feature-rich, it may not cater to all the diverse needs of businesses requiring specialised solutions. Our users were less impressed, however. We gave Zettle an overall score of just 3 out of 5 for customer satisfaction.

Battery life with “average” use is about 12 hours, while battery life with “intensive” use is about four to six hours Currently, Zettle is focusing on their latest model, which is simply called the Zettle Reader 2. The key features and benefits of the machine are: The Zettle Reader 2 uses Bluetooth to pair to your smartphone or tablet, and the Zettle Terminal connects directly to your wifi network – or via 3G/4G with its pre-installed SIM. Additional terms and conditions. The Zettle service is subject to terms, please find them here . The sale and provision of hardware is subject to our delivery terms, please find them here . Fees apply when using the Zettle Reader, learn more here . Reader pricing and fees are subject to change.If these features are key to your business, you can get the job done using an outside service or app. However, that adds another layer of platform management and costs to your operation. Open the Zettle point-of-sale app. Go to “Settings”>“Accessories” and select your printer. To ensure that the receipt printer is connected, you can print a test receipt in the POS app’s printer settings. To connect any Zettle card reader with your smartphone or tablet, open the Zettle Go-app and go to Settings > Card readers.

You can use Zettle as a basic invoicing system. Simply switch on the Invoices option from the Settings menu:

For normal face-to-face transactions (chip & pin etc.) your only costs will be for the Zettle card reader and the 1.75% transaction fee, regardless of card type (yes, even Amex!). Things get a bit more complicated if you want to start using some of the more advanced features so here’s a complete run-down: Go to “ Updating the software of your card reader” and follow the steps to ensure you have the latest reader software installed on your card reader. If you work in an industry where tips are a thing you can switch the tipping option on from the app. Just go to Settings -> Card: