InterviewOS
Learn. Practice. Get Hired.
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Stop memorizing. Start mastering.
InterviewOS is your all-in-one interview preparation app built for Flutter and Swift developers. Whether you're preparing for your first junior role or aiming for a senior position, InterviewOS gives you everything you need — lessons, exercises, quizzes, and real interview questions — all in your pocket.
**Pick your track. Start learning.**
Choose Flutter/Dart or Swift/iOS as your main focus. All content adapts to your selection — from beginner fundamentals to advanced topics. Switch tracks anytime.
**Duolingo-style exercises**
No boring walls of text. No typing long code. Just quick, tap-based challenges you can crush in 30 seconds:
• Multiple choice questions
• Fill-in-the-blank with word banks
• Drag-to-reorder code lines
• Spot-the-bug challenges
• Swipe true or false
• Match-the-pairs
**500+ interview questions**
Real questions asked at real companies. Organized by topic and difficulty — from junior to senior level. Each question comes with a detailed model answer, follow-up questions, and common mistakes to avoid.
**General programming too**
Not just framework-specific. InterviewOS covers REST APIs, WebSockets, design patterns, SOLID principles, data structures, Git, system design, security, and more — the topics every interviewer asks about.
**Track your progress**
Earn XP, level up from Junior Dev to Principal Dev, maintain your daily streak, and unlock achievements. See exactly where you stand on every topic.
**100% free. No ads. No paywalls.**
Every lesson, every exercise, every question — completely unlocked from day one. No subscriptions. No in-app purchases. No ads. Built by a developer, for developers.
**Works offline**
No internet? No problem. All content is available offline so you can practice on the subway, on a plane, or anywhere.
Download InterviewOS and start preparing for the job you deserve.
Ratings & Reviews
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Bug fixes and minor improvements
The developer, Elbek Mirzamaxmudov, 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
- Elbek Mirzamaxmudov
- Size
- 6.5 MB
- Category
- Education
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Elbek