Educational Smartphone apps for young learners

Here's a list of apps for young learners (toddlers and above) to learn colors, alphabet, and more. Some are free, some paid or with an in app purchase. All are iOS but probably available on Android too. 

Toddler Counting 123
FisherPrice (many free apps)
Endless Reader
Endless Alphabet
Endless 123
Alphatots 
Tallytots 
Moo Baa La
Nighty Night HD
Nighty Night Circus
Sago Mini (many apps)
Busy Shapes
Toca Doctor
Pepi Bath
SeeTouchLearn
Fiete 
Beast 123
Duck Duck Moose Reading
Word Wagon
Dinosaur Train A to Z
The Wheels on the Bus Nursery Rhymes
Music with Grandma
Big City Vehicles
MIXIMAL
Toca Life
Magic Sorter