Description 

This iOS app by Codecademy is great for older students key stage 3+.

This FREE app gets you started by introducing  the basic concepts behind the apps on your phone and the websites you visit. You’ll learn to understand the basic structure of code when you see it.

I really like Code Hour it is a perfect introduction to programming and learn the concepts you need to know to expand your knowledge.

You can also Learn HTML&CSS,  Javascript,  jQuery,  Python,  Ruby and PHP with Codecademy.

Also Learn: 

JUST GET STARTED: Code Hour is the best way to go from zero to programming. We show you easy examples of code and you learn how it works and powers the web.

TAP TO TRAIN: Use your iPhone or iPad for what it’s good for – quick, fun exercises on the go. Program when you get home and stay fresh by reviewing on the go.

APPLY WHAT YOU LEARN: Make a webpage with your own photo, bio, and more and share it with your friends.

CREATE THE FUTURE: Programming underpins apps, websites, games, and more. Learn to create them all with Codecademy!

Learn to code interactively, for free, Students and teachers can track their learning and progress.

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