iPhone (Smartphone) Programming 153 Application software 128 Development 123 iPad (Computer) 115 iOS (Electronic resource) 110 Mobile computing 84 Engineering & Applied Sciences 45 Smartphones 42 Computer Science 37 Pocket computers 31 Cell phones 29 iPod touch (Digital music player) 26 Computer software 22 Mobile apps 22 Computer games 16 Digital music players 15 Swift (Computer program language) 14 Electrical & Computer Engineering 13 Internet telephony 12 Macintosh (Computer) 11 Digital techniques 10 Electrical Engineering 10 Photography 10 Mac OS 9 Objective-C (Computer program language) 9 Apple computer 8 Cellular telephones 8 Tablet computers 8 Technological innovations 8