Prepare for your next technical interview
Ace Interview is your offline companion for technical interview preparation. Practice with role-focused questions, flashcards, and topic tracks to build confidence for your next screen.
Question 14 · Data Structures · Medium
What is the time complexity of binary search on a sorted array of n elements?
Ace Interview: Placement Prep
Ace Interview is your companion for preparing for programming interviews. Whether you're preparing for your first software engineering role or aiming to switch companies, Ace Interview helps you build confidence through structured practice.
Structured questions and flashcards for your preparation.
Structured interview practice without the bloat
Structured question bank
Coding and theory questions, organized by topic and difficulty so you always know what to tackle next.
Job role-specific tracks
Curated sets for frontend, backend, mobile, DevOps, system design, and more — practice for the role you're actually interviewing for.
Detailed explanations
Clear, step-by-step reasoning behind every correct answer, not just an answer key.
Flashcards for fast revision
Quick-fire cards covering React, Java, JavaScript, data structures, algorithms, and system design.
Progress tracking
Track your accuracy, streaks, and weak topics as you study, so you can identify where to focus next.
100% offline, zero login
No account, no internet, no friction. Everything is stored locally so you can practice anywhere.
Choose a learning path
Pick a track based on the role you're targeting. Every path is organized by topic and difficulty.
// more interview tracks are added regularly
Revise faster with flashcards
Review key concepts using flashcards designed for quick revision — perfect right before an interview.
Stay motivated with progress tracking
Monitor your learning journey and see exactly where to focus next.
- Questions completed
- Accuracy
- Daily streaks
- Study progress
- Weak topics
- Learning history
Your learning data stays on your device
Ace Interview requires no account or login, and no internet connection is required for learning. Your progress, notes, bookmarks, and settings are stored locally on your device.
Who Ace Interview is for
- Students
- Fresh graduates
- Software developers
- Experienced engineers
- Career switchers
- Anyone preparing for technical interviews
Designed for real interview prep
- Clean and modern interface
- Fast and lightweight
- Completely offline
- Structured learning paths
- Organized by job role
- Track your improvement
- Designed for real interview preparation
Start preparing for your next technical screen
Build confidence across key developer roles, algorithms, system design, and framework fundamentals with offline flashcards and practice questions. Download Ace Interview on Android and start practicing today.
Built for developers preparing for their next opportunity.
Built by Desi Script
Ace Interview is built by Desi Script — a software house building useful products, developer tools and practical software solutions.
Explore more products, tools and experiments from Desi Script.