Clover POS is a more robust point of sale system with advanced features, but Square POS is free to use and easy to set up. Clover POS is better for small to medium-sized businesses, while Square POS is better for small businesses or solo entrepreneurs. According to a review by Merchant Maverick, Clover POS has a 4.5-star rating, while Square POS has a 4.2-star rating (per Merchant Maverick revi...