Patent 10-2018-0005018 (Application No.) With existing language repeater apps, you should guess which part you want to replay, and clumsily move back-and-forth the proceeding bar. keyBoxPlayer, on the other hand, splits the audio file and shows the corresponding script automatically. So you can pinpoint where you want to repeat. No Guesswork, no error in section playing. keyBoxPlayer lets you repeat after audio sections and even scores how good your pronunciation is. Instead of passive liste