This dynamic list will give you 10 of the most popular and best selling mobile phones available at the moment. We used Google data, along with other sources, to estimate the popularity of the smartphones. In the mobile phone industry most popular isn't always "best". What is the most popular phone? iPhone X is the most popular phone in the U.S. iPhone 8 and iPhone 8 + remain top sellers as Galaxy S8 sales disappoint in the US. In Q1 2017 Samsung sells 7.2 million Galaxy S7 and S7 Edge, Apple sell’s 51 million iPhone’s. The Galaxy S8 is on sale in the US, South Korea and parts of Europe, and analysts said that Samsung had sold 10m units globally in the six weeks after its launch. As well-received as they were by critics, the Galaxy S8 and S8 Plus have failed to make a significant impact on the US smartphone market. For the three-month period ending in May 2017, the S8 and S8 Plus reached a combined share of 8.1% of sales in the US. In the same period of time, the S7 and S7 Edge achieved 8.8% of sales and the iPhone 7 and 7 Plus took 20.1%.