Baby Symbolizer is a visual/sound sensory stimulation app designed to both delight and focus your child’s attention by encouraging cognitive and motor development starting from birth. Based on more than forty years of scientific research on what infants perceive at successive stages of development, Baby Symbolizer offers 12 bold, fully interactive high-contrast symbols that make unique sounds as infants watch, touch, explore and discover.

Price: $0.99 – Download
Developer’s Website