More than 4/10 online purchases are made on mobile devices, according to new research commissioned by messaging software firm Quig and conducted by Sapio.
Additionally, 65% of the 200 surveyed retailers claimed that smartphones had increased their revenue.
Customer satisfaction and accessibility to customers were also reportedly on the rise thanks to smartphones.
Further, retailers reported increased efficiency (62%) and reduced costs (33%).
Meanwhile, only 18% of respondents claimed that it was more difficult to serve customers thanks to smartphones.