A gentler learning experience. Warm-up mode, scaffolded hints, and a difficulty ladder.
In the AI era, real skills come from fundamentals.
Spend 3 minutes daily deep-diving into CS fundamentals that AI cannot replace.
Questions designed around 'why' help you understand design philosophy and trade-offs.
- Daily 3-min CS Deep Dive: Thought-provoking questions that ask 'why?', not just 'explain'
- Senior Engineers' WHY: Steal deep perspectives from Big Tech and startup seniors
- Think first, then compare: Writing your answer reveals different perspectives
- Build habits with streaks: Daily practice, your survival strategy in the AI era
Free app. All features are provided for free.
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CS Concept Library + enhanced dashboard. New hero CTA shows today's new cards, progress, and a first-card preview. One tap into the full 50+ concept library.
Version 1.3.37
The developer, boim choi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
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Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
boim choi
Size
48.6 MB
Category
Education
Compatibility
Requires iOS 13.0 or later.
iPhone Requires iOS 13.0 or later.
iPod touch Requires iOS 13.0 or later.
Mac Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
