Comparison

程序员面试 vs Data Structure Display

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

程序员面试

This app provides a comprehensive question bank for software developer interviews, covering a wide range of topics including backend, frontend, mobile, and computer fundamentals. It offers over 2000 interview questions that are regularly updated.

Highlights
  • 2000+ interview questions
  • Backend development topics
  • Frontend development topics
  • Mobile development topics
  • Computer science fundamentals
  • Regular updates
Features
Read full description

程序员面试面试题库致力于为广大程序员提供最专业最新的面试题应用,拥有2000+面试题,涵盖各个方面: *服务端: Java、Java多线程并发编程、Redis、Spring、Spring Cloud、Spring boot、微服务、MySQL、Linux、Kafka、RabbitMQ、Memcached、Elasticsearch、Dubbo、ZooKeeper、MyBatis *前端 Vue、React、JavaScript、CSS、HTML *移动端 iOS、Flutter *计算机基础知识 计算机网络、操作系统原理 *其他 C/C++、PHP、Ruby、C#、数据库、Python 更多面试题不定期更新中,尽情期待。。。

About

Data Structure Display

Explore and learn data structures through dynamic debugging and visual observation of changes. This app covers linear structures, trees, graphs, and recursive algorithms like the Tower of Hanoi, offering interactive learning experiences.

Highlights
  • Dynamic data structure debugging
  • Visual observation of data structure changes
  • Learn linear structures (arrays, lists, queues, stacks)
  • Explore tree structures (binary, AVL, red-black, heap)
  • Understand graph structures and algorithms
  • Debug recursive algorithms like Tower of Hanoi
Features
Read full description

A novel data structure learning app, the most significant feature is that you can dynamically debug the data structure in this app, and visually observe the changes in the data structure during the operation. In this app you can learn the following data structures: 1. Linear structures, including arrays, linked lists, queues, stacks. Linear structures are the basis for other advanced data structures, as fine as advanced algorithms. 2. Tree structures, including binary tree, binary search tree, AVL tree, red-black tree, and heap. In this app, you can dynamically debug three traversals of the binary tree (including non-recursive traversal implementations), searching in the tree, balance adjustments in the AVL tree and red-black tree, and heap sorting. Give you the ability of handwritten red-black trees. 3. Graph structure, including the adjacency list storage representation of the graph structure, depth-first search and breadth-first search, finding the Euler path in the graph, topological sorting, maximum connected components, minimum spanning tree problem, and shortest single source Path problem. It also provides dynamic debugging of these classic graph algorithms. 4. The data structure introductory class will talk about the problem of the Tower of Hanoi. The algorithm that solves this problem is often recursive. This app provides dynamic debugging of the Tower of Hanoi problem, so you can no longer be confused about the recursive calls of the Tower of Hanoi.

Screenshots

程序员面试4 screens
Data Structure Display4 screens

Verdict

The call

The clearest difference is ads: Data Structure Display at none against 程序员面试's shown. Data Structure Display also leads on review sentiment (62% vs 33%) and ratings volume (676 vs 14). 程序员面试's advantage is update cadence (fortnightly vs every 5 months) and iOS requirement (10.0 vs 13.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 程序员面试 sells 1 one-off in-app purchase and Data Structure Display sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for 程序员面试 against 4.5 for Data Structure Display. That said, the two scores are not equally well evidenced: Data Structure Display has 676 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 33% of 程序员面试's written reviews are positive against 62% of Data Structure Display's.

UpkeepUpdate frequency

程序员面试 ships an update fortnightly, Data Structure Display every 5 months. The most recent releases landed on June 7, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
程序员面试 versus Data Structure Display: the parameters behind the verdict, then further details
Parameter程序员面试Data Structure Display
PriceFreeFree
Rating4.4 (14 ratings)4.5 (676 ratings) — better
Positive reviews33.3% of reviews61.9% of reviews — better
Number of ratings14676 — better
Update frequencyFortnightly — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS10.0 — better13.0
Further details — not scored
Size49 MB8 MB
Age rating4+4+
Developer登健 程Jinan Matrix Information Technology Co., Ltd.

Customer experience

程序员面试

All ratings14 ratings
Positive85.7%
Neutral7.1%
Negative7.1%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Data Structure Display

All ratings676 ratings
Positive87.1%
Neutral2.4%
Negative10.5%
Written reviews42 reviews
Positive61.9%
Neutral2.4%
Negative35.7%

Bugs and requests

程序员面试

Not enough reviews yet to summarise bugs or requests.

Data Structure Display

Reported bugs

2 issues
  • Aggressive review request frequency
  • Inconsistent dark mode functionality between iOS and macOS

Requested features

4 requests
  • Dark mode implementation
  • Comprehensive coverage of all data structure variants
  • More practical exercises and problems
  • Ad-supported free tier instead of paywall

In-app purchases

1 purchases

程序员面试

One-time1
  • VIP$4.99
1 purchases

Data Structure Display

One-time1
  • Unlock all data structures$2.99

Questions

Is 程序员面试 free?
程序员面试 is free to download, with in-app purchases available.
Is Data Structure Display free?
Data Structure Display is free to download, with in-app purchases available.
Which has better reviews, 程序员面试 or Data Structure Display?
Data Structure Display is rated higher. 程序员面试 averages 4.4 out of 5 from 14 ratings, while Data Structure Display averages 4.5 from 676 ratings.
Do 程序员面试 or Data Structure Display have ads?
程序员面试 shows ads; Data Structure Display does not.
Which is updated more often, 程序员面试 or Data Structure Display?
程序员面试 ships an update fortnightly, and Data Structure Display every 5 months. Most recently, 程序员面试 was updated on June 7, 2026 and Data Structure Display on September 24, 2026.

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