Square Reader's free POS features and plain card fees are great, but is the lack of a PIN pad a deal-breaker?
Square Terminal is both a card machine and POS system with a touchscreen, but how does it work and is it sufficient?
Our guide explains all receipt printers compatible with Square POS, whether you're using iPad, iPhone or Android.
Payleven merged with SumUp in 2016. We've updated our list of Payleven alternatives to show the similar card readers.
We compare the best invoice apps for small businesses in the UK. Which are actually good value (even free)? We look at options.
Square Invoices offers more than just basic features at no monthly cost. For just pay a card fee, send different kinds of invoices.
iZettle and Square match each other with a 1.75% fee and no fixed monthly costs, but there are important differences between them.
Not all merchants are approved by Square, iZettle, SumUp or PayPal. What are the restricted businesses, and why is it harder to get approval for them?