Number Craft
Smash your next interview!
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Tech interviewers love mental math.
You can't escape it.
So why not be prepared?
NumberCraft: Your tech interview preparation buddy!
Master interview math challenges with NumberCraft, the essential mental math trainer for job seekers. Practice the 24 Game, 36 Game and other arithmetic puzzles commonly used in technical, finance, consulting, and engineering interviews.
Prepare for Interview Success
- Solve math puzzles under time pressure just like in real interviews
- Practice the exact calculation skills recruiters test for
- Track improvement metrics to quantify your readiness
Why NumberCraft Works
- Targeted practice of the 24 Game and similar puzzles used by top Tech Employers
- Focus on mental arithmetic, logical thinking, and rapid problem-solving
- Intuitive interface designed for quick daily practice sessions
Features
- Multiple game modes: 24 Mode, 36 Mode, and Mix Mode
- Time-based challenges to simulate interview pressure
- Detailed statistics tracking your progress
- Simple, distraction-free design optimized for learning
Perfect for candidates preparing for software engineering, data science, quantitative finance, management consulting, and technical roles where quick math skills matter.
Download NumberCraft today and turn mental math into your competitive advantage at your next job interview!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Anton Simdyankin, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Anton Simdyankin
- Size
- 605.2 KB
- Category
- Education
- Compatibility
Requires iOS 18.2 or later.
- iPhone
Requires iOS 18.2 or later. - Mac
Requires macOS 15.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Anton Simdyankin