25 June 2026
The "In 5 Days" series
We now have three apps in our "In 5 Days" series, and all of them are live on the App Store and Google Play. Each one is a structured, beginner-friendly course that takes you from your first line of code to confident, working programs — at a comfortable pace of one focused day at a time.
Together the three apps add up to 218 lessons, 384 runnable code examples and 227 practical tips. Every app works fully offline, needs no account, and collects no personal data.
Python in 5 Days
From complete beginner to advanced concepts — 68 lessons, 207 code examples and 77 tips, with tap-to-define keywords and full-course search.
Learn more about Python in 5 Days
JavaScript in 5 Days
From your first line of code to working with the browser — 63 lessons, 82 code examples and 63 tips, with tap-to-define keywords and full-course search.
Learn more about JavaScript in 5 Days
C++ in 5 Days
From the fundamentals all the way to the Standard Template Library — 87 lessons, 95 compilable code examples and 87 tips, with tap-to-define keywords and full-course search.
Learn more about C++ in 5 Days
Pick a language and start your five days today.