$8, iPad, Android, iPhone

Teaches: creativity, logic, matching

$8, iPad, Android, iPhone

Teaches: counting, logic, 1 to 1 correspondence,

$8, iPad, Android, iPhone

Teaches: counting, early learning, math, logic, fine motor skills

$3.99, iPad, iPhone

Teaches: logic, spatial thinking, planning, gravity, directions

$3.99, iPad, iPhone, Android

Teaches: starter app, creativity, language, logic

$20, Windows, Mac OSX, Steam, PlayStation 4, Nintendo Switch

Teaches: logic, problem solving, temporal relations

$4.99, iPad, iPhone

Teaches: reading, logic, spatial relations

$50, iPad, iPhone, Android

Teaches: logic, memory, school readiness, reading

$1.99, iPad, iPhone, Android, Kindle, Windows, Mac OSX, Steam

Teaches: logic, spatial relations

$3.99, iPad, iPhone

Teaches: logic, math, fractions, problem solving

$3.99, iPad, iPhone, Android, Kindle

Teaches: logic, memory, classification

$60, Nintendo Switch

Teaches: reading, logic, problem solving

$4.99, iPad, Android, Steam

Teaches: logic, human development, art, spatial problem solving

$4.99, iPad, iPhone

Teaches: logic, math, spatial relations, art, mechanics, optical illusions

$7.99, iPad, iPhone, Android

Teaches: math, logic, counting, base 10

$50, Nintendo Switch, Wii U

Teaches: logic, maps, spatial relations, problem solving

$3.99, iPhone, iPad, Android, Kindle

Teaches: logic, memory, spatial relations, math

$0.99, iPad, iPhone, Android, Kindle, Windows, Mac OSX

Teaches: logic, memory, problem solving, spatial learning

$2.99, iPad, iPhone

Teaches: spatial relations, logic, creativity, language, fine motor skills

$2.99, iPad, Android, iPhone, Apple TV

Teaches: creativity, logic, spatial relations, art, blocks

$2.99, iPad

Teaches: Math, logic, Venn diagrams, classification, counting, if then loops

$2.99, iPad, iPhone, Android, Kindle

Teaches: logic

$2.99, iPad, iPhone, iPod Touch (iOS 7.0 or later)

Teaches: counting, whole numbers up to 100, equivalencies, sets, writing numerals, fine motor skills, memory, logic

$2.99, iPad, Apple TV, iPhone

Teaches: language, spatial relations, causality, logic

$2.99, iPad (iOS 8)

Teaches: logic, mutli-touch, social, color, shape, pattern recognition, spatial relations

iPad, Android

Teaches: logic, memory, timing, spatial relations, fine motor skills

$2.99, iPad, iPhone, Android, Kindle

Teaches: logic matching, memory, fine motor skills, patterns

$2.99, iPad, Android, iPhone

Teaches: science, creativity, logic, spatial relations, ecology, ecosystems, earth science

$0.99, iPad, iPhone, iPod Touch

Teaches: logic, math, equivalency, timing

$2.99, iPad, iPhone, Android (124 MB)

Teaches: spatial relations, logic, math, geometry

$2.99, iPad, Android, iPhone

Teaches: causality, shapes, colors, memory, spatial relations, logic

$3.99, iPad, Android, Kindle

Teaches: logic, math, spatial relations, art, mechanics, optical illusions, simplified Chinese, Traditional Chinese

$2.99, iPad

Teaches: classification, logic, shapes, colors, motion, spatial thinking

$2.99, Android, iPad, iPhone, Kindle

Teaches: problem solving, math, fractions, logic

$2.99, iPad, iPhone (340 MB)

Teaches: classification, logic, matching, seriation, alphabet order, memory, timing, temporal relations, angles, music

Windows, Mac OSX

Teaches: programming, debugging, logic, math, science, STEM

$2.99, iPad, Android

Teaches: logic, colors, shapes, sorting, matching, fine motor development

$60, Wii U

Teaches: logic, social play, video game history

$2.99, iPad (85 MB), iPad, iPhone

Teaches: math, logic, fine motor coordination, classification, patterns, memory

$2.99, iPad, iPhone

Teaches: math, counting, logic, addition, clocks, angles

$4.99, iPad

Teaches: reading, logic

$0.99, iPhone, iPad

Teaches: health, doctors, logic, matching