# Dev60s

> Dev60s (iPhone/iPad app by JUNGWON JUNG.)

- Source: https://appshunter.io/ios/app/dev60s/id6757722658 (this page in markdown: same URL + `.md`)
- Developer: [JUNGWON JUNG](https://appshunter.io/developer/1859645201)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 5 MB
- Languages: American English
- Released: 2026-01-13
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/dev60s/id6757722658/reviews.md

## What is Dev60s?

Dev60s: Master Technical Interviews in 60 Seconds

Sharpen your coding interview skills with Dev60s, the ultimate practice app for aspiring iOS developers and software engineers. Whether you're preparing for your dream job at Apple, Google, or any top tech company, Dev60s helps you master the fundamentals through quick, focused practice sessions.

KEY FEATURES

- 60-Second Challenges: Time-boxed questions that simulate real interview pressure
- Comprehensive Coverage: Practice Swift, iOS development, computer science fundamentals, algorithms, and data structures
- Adaptive Difficulty: Choose from Easy, Normal, or Hard levels to match your skill level
- Flexible Sessions: Customize your practice with 20, 30, or 40 questions per session
- Instant Feedback: Get detailed explanations for every answer to learn from mistakes
- Premium Design: Enjoy a beautiful, Apple-inspired interface that makes learning enjoyable
- Progress Tracking: Monitor your performance and identify areas for improvement
- Haptic Feedback: Enhanced tactile experience for better engagement

WHAT YOU'LL PRACTICE

- Swift Language Fundamentals: Closures, optionals, protocols, generics, concurrency, and more
- iOS Development: SwiftUI, UIKit, memory management, and iOS best practices
- Computer Science: Data structures, algorithms, system design, and fundamental CS concepts
- Problem-Solving: Logical thinking and coding patterns used in technical interviews

WHY DEV60S?

Technical interviews are challenging, and preparation is key. Dev60s helps you build confidence through regular practice, improve problem-solving speed and accuracy, master the concepts most commonly tested in interviews, learn from detailed explanations when you make mistakes, and track your progress over time.

Perfect for job seekers preparing for technical interviews, students learning iOS development, developers looking to refresh core concepts, and anyone preparing for coding challenges and interviews.

Start your journey to interview success today. Download Dev60s and practice smarter, not harder.

Questions? Feedback? Contact us through the support link in the app.


## Version history (last 1 release)

### 1.0 — 2026-01-13

No release notes.

## More apps by JUNGWON JUNG

- [PARKinPL](https://appshunter.io/ios/app/parkinpl/id6756267697)
- [Challlengers](https://appshunter.io/ios/app/challlengers/id6758675338)

All apps by JUNGWON JUNG: https://appshunter.io/developer/1859645201

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*