iPhone (Smartphone) Programming 153 Application software 128 Development 123 iPad (Computer) 113 iOS (Electronic resource) 107 Mobile computing 81 Engineering & Applied Sciences 45 Smartphones 40 Computer Science 37 Cell phones 29 Pocket computers 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 Objective-C (Computer program language) 9 Apple computer 8 Cellular telephones 8 Mac OS 8 Technological innovations 8 iPod (Digital music player) 8