Tezvyn: Tech Interview Prep
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About this app
Crack your next tech interview and stay sharp, in 60-second bites.
Tezvyn turns 8,600+ curated cards into a daily habit: swipe through bite-size explainers, real interview questions with model answers, and quick quizzes that lock in what you learn.
INTERVIEW PREP THAT GETS TO THE POINT
• Real questions for React, Python, Java, System Design, DevOps, SQL, Data Science, Flutter, Node.js and 20+ more stacks
• Every question shows what interviewers actually test, a strong answer outline, and the red flags that sink candidates
• Deep-dive explanations when you want the full picture
LEARN IN 60 SECONDS A DAY
• Swipe feed with one concept per card and zero fluff
• Daily quizzes with streaks, XP and levels to keep you consistent
• Works offline, so you can read on your commute
WHAT YOU CAN REVISE HERE
• Frontend: React, Next.js, TypeScript, JavaScript, CSS, web performance
• Backend: Node.js, Python, FastAPI, Java, Spring, REST and API design
• Data: SQL, database indexing, data modelling, analytics, machine learning basics
• Cloud and DevOps: Docker, Kubernetes, AWS, CI/CD, observability
• System design: caching, queues, sharding, load balancing, trade-offs
• Mobile: Flutter, Android, Kotlin
• Fundamentals: data structures and algorithms, complexity, OOP, computer networks
MADE FOR BUSY DEVELOPERS
• Beginner to advanced tracks per topic
• Bookmark cards for quick revision before the big day
• Revisit everything you have already read, filtered by topic
• No signup needed to start reading
WHO IT IS FOR
• Working developers keeping current without giving up an evening
• Candidates preparing for a coding round, system design round or HR round
• Freshers and final-year students heading into placements
• Anyone switching stacks, returning after a break, or targeting an MNC, startup or FAANG role
HOW PEOPLE USE IT
Five minutes on the commute. One quiz at lunch. A quick revision pass the night before an interview instead of a panicked scroll through twenty browser tabs. The streak is there to make the habit stick, not to guilt you.
WHY BITE-SIZE WORKS
Spacing beats cramming. Reading one clear explanation a day, then answering a question on it, moves knowledge into the place you can reach under interview pressure. Long articles feel productive and are forgotten by Friday.
FREE AND PREMIUM
Reading is free every day, with a generous daily allowance and three interview deep-dives a day. Premium removes ads and lifts every cap: unlimited deep-dives, bites and quizzes. Try it free for 7 days and cancel anytime in Google Play.
Whether you're preparing for FAANG, a startup, or your first dev job, five minutes a day beats five hours the night before.
Tezvyn turns 8,600+ curated cards into a daily habit: swipe through bite-size explainers, real interview questions with model answers, and quick quizzes that lock in what you learn.
INTERVIEW PREP THAT GETS TO THE POINT
• Real questions for React, Python, Java, System Design, DevOps, SQL, Data Science, Flutter, Node.js and 20+ more stacks
• Every question shows what interviewers actually test, a strong answer outline, and the red flags that sink candidates
• Deep-dive explanations when you want the full picture
LEARN IN 60 SECONDS A DAY
• Swipe feed with one concept per card and zero fluff
• Daily quizzes with streaks, XP and levels to keep you consistent
• Works offline, so you can read on your commute
WHAT YOU CAN REVISE HERE
• Frontend: React, Next.js, TypeScript, JavaScript, CSS, web performance
• Backend: Node.js, Python, FastAPI, Java, Spring, REST and API design
• Data: SQL, database indexing, data modelling, analytics, machine learning basics
• Cloud and DevOps: Docker, Kubernetes, AWS, CI/CD, observability
• System design: caching, queues, sharding, load balancing, trade-offs
• Mobile: Flutter, Android, Kotlin
• Fundamentals: data structures and algorithms, complexity, OOP, computer networks
MADE FOR BUSY DEVELOPERS
• Beginner to advanced tracks per topic
• Bookmark cards for quick revision before the big day
• Revisit everything you have already read, filtered by topic
• No signup needed to start reading
WHO IT IS FOR
• Working developers keeping current without giving up an evening
• Candidates preparing for a coding round, system design round or HR round
• Freshers and final-year students heading into placements
• Anyone switching stacks, returning after a break, or targeting an MNC, startup or FAANG role
HOW PEOPLE USE IT
Five minutes on the commute. One quiz at lunch. A quick revision pass the night before an interview instead of a panicked scroll through twenty browser tabs. The streak is there to make the habit stick, not to guilt you.
WHY BITE-SIZE WORKS
Spacing beats cramming. Reading one clear explanation a day, then answering a question on it, moves knowledge into the place you can reach under interview pressure. Long articles feel productive and are forgotten by Friday.
FREE AND PREMIUM
Reading is free every day, with a generous daily allowance and three interview deep-dives a day. Premium removes ads and lifts every cap: unlimited deep-dives, bites and quizzes. Try it free for 7 days and cancel anytime in Google Play.
Whether you're preparing for FAANG, a startup, or your first dev job, five minutes a day beats five hours the night before.
60-second tech bites & interview prep. React, Python, System Design + quizzes.
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What’s new
Practice out loud - and tell us if it's worth building:
• There's a new tile on your profile about an AI voice interviewer that pushes back on the weak parts of your answer. It isn't built yet. Tap it if you'd want it, and that decides whether we build it.
• Fixes and polish under the hood.
• There's a new tile on your profile about an AI voice interviewer that pushes back on the weak parts of your answer. It isn't built yet. Tap it if you'd want it, and that decides whether we build it.
• Fixes and polish under the hood.
App support
About the developer
Akash Jain
developinganera@gmail.com
O 161D, smartworld gems
sector 89
Gurugram, Haryana 122505
India