$2.99, iPad, iPhone, Android, Kindle

Teaches: fine motor skills, math, counting up to four, 1 to 1 correspondence, airports, planes

$4.99, iPad, iPhone, Apple TV, Android, Kindle

Teaches: math, counting; numerical order; sequencing; beginning sounds; letters; letter recognition; rhymes; classifying; visual discrimination; directional words; rhymes; colors; shapes; story order; measurement; comparison; tracing

$30, iPad, Android

Teaches: language arts, social skills, articulation, reading, phonics and math, as well as foundation skills for early learners

$5.99, iPad, iPhone

Teaches: math, logic, imagination, art, self control, counting

$2.99, iPad, iPhone, iPod Touch

Teaches: music, rhythm, melody, math, counting, computer sequencing

$0.99, iPad, iPhone

Teaches: math, counting 1 to 20

$1.99, iPad

Teaches: math, classification, sorting, logic, reading

$2.99, iPad, iPhone, iPod Touch

Teaches: math, geometry, shapes, colors, fine motor skills, matching

$1.99, iPad, iPhone, iPod Touch

Teaches: logic, math, shopping

iPad, iPhone

Teaches: math, logic, memory

$2.99, iPad

Teaches: math, counting, numbers, addition, subtraction

$2.99, iPad, iPhone

Teaches: numbers, addition, subtraction, math

$30, Nintendo DS

Teaches: logic, some reading, math, counting, fine motor skills

$2.99, iPhone

Teaches: math, counting (1 to 10)

Windows

Teaches: all school subjects, art, music, math, reading

$20, Windows, Mac OSX

Teaches: problem solving, math skills, music, computer skills

$70, Smart Toy, Leapster

Teaches: school subjects, reading, math, language arts

iPad, iPhone, iPod Touch

Teaches: logic, math (counting, numeral recognition) the alphabet, letter recognition, shapes, memory

$0.99, iPhone

Teaches: counting, math

$30, Smart Toy

Teaches: math, counting

$2440, Win XP

Teaches: computers, reading, math, science, history, creativity

$30, Smart Toy

Teaches: early math and language -- classification, hearing language, comparing tones, cause and effect

$20, Win

Teaches: reading, math, letters, numbers, listening, shapes

$59.99, Smart Toy

Teaches: early math and language, colors, shapes, numbers, music

$19.99, Win, Mac OS (CD-ROM)

Teaches: early math and reading, numbers, letters, shapes, colors

$19.99, Win, Mac OS (CD-ROM)

Teaches: early math, early reading, numbers, letters, shapes, colors

Win 95, 98; Mac OS (CD-ROM)

Teaches: math, counting

$30, Win 95, Mac OS (CD-ROM)

Teaches: early learning skills, reading, math

$29.95, Win 95, Win 3.1, Mac OS (CD-ROM)

Teaches: reading, math, logic, matching, classifying objects

$54.99, Win 3.1, 95, 98; Mac OS (CD-ROM)

Teaches: early reading and math: letters, numbers, shapes etc.