CakeCode design lessons

Nebulaz Apps

About this app

CakeCode is an offline-first learning app with educational lessons about software engineering topics.

The app includes short lessons with diagrams, optional quizzes, favorites, and simple progress tracking on your device. You do not need an account to use the core learning features.

Topics covered in the current catalog include:

• Software design
• System design
• Algorithms and data structures
• Android and Kotlin
• Design systems
• Developer practice
• Security and privacy
• Product sense
• Data and SQL

Main features

• Browse lessons by topic area
• Read lesson content with diagrams
• Mark lessons as completed
• Save favorites
• Take short multiple-choice quizzes
• Adjust reading comfort settings such as theme and text size
• Export or import a local backup file using the system file picker

Important notes

• CakeCode is educational reference material for personal learning.
• It is not a substitute for official documentation, professional training,
certifications, or advice for production systems.
• Lesson progress and preferences are stored on your device.
• Optional voice search uses the device speech recognition feature when
available. CakeCode does not record audio itself.

CakeCode is intended for learners and developers who want structured study material on their phone or tablet.

What’s new

What's new in 2.5.2:
• More reliable language switching: menus and lessons update together, including on Google Play builds.
• Progress overlay when changing language — no screen jump back to Home.
• Stay on Settings or onboarding while the new language loads.
• Smoother switch without app restart or flicker.
• All UI languages included in the app for offline use.