# Stack and Queue Concepts — Drill 160 Qs Offline

> Drill 160 Qs Offline (iPhone/iPad app by Tsuyoshi Sezaki.)

- Source: https://appshunter.io/ios/app/stack-and-queue-concepts/id6773996029 (this page in markdown: same URL + `.md`)
- Developer: [Tsuyoshi Sezaki](https://appshunter.io/developer/1886356149)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 38 MB
- Languages: American English
- Released: 2026-06-03
- Data updated: 2026-06-30
- User reviews in markdown: https://appshunter.io/ios/app/stack-and-queue-concepts/id6773996029/reviews.md

## What is Stack and Queue Concepts?

Stack and Queue Concepts is an independent study app for learning, reviewing, and testing core stack and queue ideas through focused practice.

Built for computer science students, coding interview candidates, bootcamp learners, and developers refreshing data structure fundamentals, the app covers Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts across 160 questions.

Key features:
- 160 practice questions with explanations
- FSRS spaced-repetition intervals for smarter review
- Weak-point heatmap to reveal topics that need attention
- Daily challenge for consistent progress
- Mock exams for timed review
- Offline practice for studying anywhere
- No login required

Use it to strengthen LIFO and FIFO reasoning, trace operations, compare implementations, avoid common mistakes, and prepare for quizzes, interviews, or self-study sessions.

Practice offline, no login required.

Independent study app for Stack and Queue Concepts practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.


## Version history (last 1 release)

### 1.0 — 2026-06-03

No release notes.

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All apps by Tsuyoshi Sezaki: https://appshunter.io/developer/1886356149

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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 2026-06-30.*