CEO Kaoru Kato told reporters that calls made via
the proprietary Line app will be charged at regular rates, though LTE customers will be able to call each other for free over high - quality VoLTE.
To add value to its growing mobile
line, which also included an iPod Touch, Apple debuted an
App Store in 2008, where it distributed third - party applications (aside from its own
proprietary software) that made its new devices come to life.