The company estimates that within the USA Apple sold a total of 22.39M iPhones across all models in Q4 2017 – pushing its US market share to a record 44% …Īpple was able to grow their sell-through market share from 37% to 44%. We’ve already seen that analysts are expecting big things from Apple’s earnings in the final quarter of last year, and the latest numbers from Counterpoint Research lend support for that optimism.