Apple could be holding back innovation in smartphone browsers, according to a British regulatory report, which recommended that Apple's and Google's duopoly in mobile ecosystems should be investigated with its new powers.

The U.K.’s Competition and Markets Authority said its experts recommended investigating Apple and Google’s dominance in smartphones under the country’s new digital competition rules, alleging the tech giants can manipulate users into choosing their own apps and services over rivals’.

An independent inquiry group in the British Competition and Markets Authority on Friday recommended an investigation into Apple and Google over their dominance of mobile web browsers and apps in the country.