$7.99, iPad, iPhone, Android

Teaches: math, logic, counting, base 10

$3.99, iPad, Apple TV, iPhone, Apple Watch

Teaches: logic, problem solving, spatial relations

$2.99, iPad, iPhone

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

$2.99, iPad, iPhone, Apple TV

Teaches: logic, vehicles, construction machinery, community helpers

$2.99, iPad, Android, iPhone, Apple TV

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

$2.99, iPad

Teaches: logic, spatial relations, cause and effect

$2.99, iPad, iPhone

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

$2.99, iPad

Teaches: creativity, logic, STEM, electronics, circuits, robotics

$2.99, iPad, iPhone, iPod Touch (iOS 6.0 or later)

Teaches: cause and effect, logic, fine motor development

$2.99, iPad, Android, iPhone

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

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

Teaches: creativity, auditory discrimination, vocalization, fine motor skills, timing, rhythm, temporal relations, logic

$80, iPad 2 or later (with camera), iPad Mini

Teaches: spatial learning, logic, art, science, socialization, large group, huddle

$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

$1.99, iPad, iPhone, iPod Touch (iOS 7.0 or later)

Teaches: math, logic, balancing equations, seriation, patterns

$3.99, iPad, iPhone

Teaches: math facts, addition, subtraction, addition, multiplication; math fluency, logic, memory, economics, money

$0.99, iPad

Teaches: spatial relations, symmetry, memory, logic, visual discrimination

$2.99, iPad, iPhone (340 MB)

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

$9.99, iPad

Teaches: logic, math, numeral formation, counting, fine motor