Comparison

Leaflet for Swift&Algorithm vs Java面试题库

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

Head to head
About

Leaflet for Swift&Algorithm

This app offers comprehensive learning modules for Swift, SwiftUI, and Combine, alongside data structures and algorithms. It provides micro-classes, tutorials, code style guides, and practical examples to help users master programming concepts and develop efficient applications.

Highlights
  • Swift language tutorials
  • SwiftUI and Combine development
  • Data structure and algorithm learning
  • Micro-classes for core concepts
  • Code style guide
  • Algorithm problem-solving examples
Features
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Leaflet helps you learn Swift/SwiftUI and Data Structure/Algorithms better. Leaflet has four main functions: 【1】Algorithm Animation Visualization Through exquisite and intuitive animation demos, abstract algorithms and data structures are made visual — every step of execution is clearly visible. This is the core highlight of Leaflet. - Animation Demos: Carefully selected classic algorithms (sorting, searching, graph algorithms, dynamic programming, recursion, etc.) built with SwiftUI + Combine for smooth animations that make algorithm execution crystal clear. - Interactive Playback: Support play, pause, step forward / step backward, and adjustable playback speed — control your learning pace freely. - Data Structure Visualization: Arrays, linked lists, stacks, queues, trees, graphs and other data structures are presented graphically; insert, delete, and traverse operations are intuitive at a glance. - Synchronized Code View: Animation demos are displayed alongside the corresponding Swift source code, letting you learn code while watching the animation — more efficient learning. - Complexity Analysis: Visually shows the time / space complexity trends of algorithms, helping you build performance-analysis thinking. Learning algorithms is no longer dry code reading, but a vivid visual experience — every algorithm becomes something you can "see and touch". 【2】Swift Tutorial - Swift one-hour micro class, quickly master the core knowledge points of Swift grammar - Swift5 complete tutorial covering all language features from beginner to advanced - Swift Code Style Guide for writing more standardized code - Swift design pattern practice 【3】Swift + SwiftUI + Combine SwiftUI's declarative UI paired with Combine's functional reactive framework — simple to learn, high-performance, and reliable, enabling developers to quickly build elegant applications. 【4】Algorithm Solutions Curated representative algorithm problems implemented in Swift, covering data structures and algorithm analysis to help you master algorithm complexity and performance analysis. Part of the application is based on the open source protocol from the following open source libraries, Gratitude: https://github.com/raywenderlich/swift-algorithm-club , Algorithms and data structures in Swift, with explanations! https://github.com/andyRon/swift-algorithm-club-cn, swift-algorithm-club's translation. Learn algorithms and data structures using Swift.

About

Java面试题库

This app provides a comprehensive collection of Java interview questions, covering basic, intermediate, and advanced topics. It includes specialized sections on popular frameworks and technologies like Spring, microservices, Redis, and message queues to help job seekers prepare effectively.

Highlights
  • Covers common Java interview questions
  • Includes basic, intermediate, and advanced topics
  • Features Spring, microservices, Redis, and message queues
  • Offers systematic topic explanations
  • Ad-free experience with VIP subscription
  • Unlock all content with VIP
Features
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学历拼不过别人,经验拼不过别人,你能拼的就是八股文。本App覆盖市面上常见的java面试题目,基础题、中高级题目、spring全家桶、微服务,redis,消息队列等。 --我希望每个求职者都能找到自己满意的工作 【java面试题库自动续订VIP说明】 --java面试题库-VIP权益: 订阅后可解锁全部面试题型内容,包括中高级题型、场景题包含各个大厂真题、web等题型、系统化专题讲解及更新内容;不限次数访问,无广告干扰。 --订阅周期:月付费会员(连续包月产品)、季度付费会员(连续包季产品)、半年付费会员(连续包半年产品)。 --订阅服务名称与价格: java面试题库-VIP:月付费会员-连续包月价格:$0.99/每月,免费试用七天。 java面试题库-VIP:季度付费会员-连续包季价格:$1.99/每季,免费试用七天。 java面试题库-VIP:半年付费会员-连续包半年价格: $2.99/半年,免费试用七天。 --付款:用户确认购买并付款后记入iTunes账户。 --用户可以通过用户的帐户设置来管理用户的订阅和自动更新。 --取消续订:如需取消续订,请在当前订阅周期到期前24小时以前,手动在iTunes/Apple ID设置管理中关闭自动续订功能。 --续订:苹果iTunes账户会在到期前24小时内扣费,扣费成功后订阅周期顺延一个订阅周期。 --首月免费试用:免费试用期内再次续订或者取消续订,不会向用户收回免费试用权益,用户可以继续试用直至试用周期结束。 --隐私政策:https://blog.csdn.net/MyEclipse927/article/details/133379708?spm=1001.2014.3001.5501 --使用条款:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Leaflet for Swift&Algorithm4 screens
Java面试题库4 screens

Verdict

The call

The clearest difference is update cadence: Leaflet for Swift&Algorithm at every 8 days against Java面试题库's every 2 months. Java面试题库's advantage is review sentiment (80% vs 71%) and iOS requirement (16.0 vs 26.0). On price, ads, 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. Leaflet for Swift&Algorithm sells 1 one-off in-app purchase and Java面试题库 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Leaflet for Swift&Algorithm ships an update every 8 days, Java面试题库 every 2 months. The most recent releases landed on September 26, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
Leaflet for Swift&Algorithm versus Java面试题库: the parameters behind the verdict, then further details
ParameterLeaflet for Swift&AlgorithmJava面试题库
PriceFreeFree
Rating4.6 (297 ratings) — better—
Positive reviews71.4% of reviews80.0% of reviews — better
Number of ratings297 — better—
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.0 — better
Further details — not scored
Size53 MB118 MB
Age rating4+4+
Developer雷 戴嘉 邱

Customer experience

Leaflet for Swift&Algorithm

All ratings297 ratings
Positive89.2%
Neutral3.4%
Negative7.4%
Written reviews42 reviews
Positive71.4%
Neutral7.1%
Negative21.4%

Java面试题库

Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Bugs and requests

Leaflet for Swift&Algorithm

Reported bugs

11 issues
  • Solutions for problems are not loading
  • App crashes on first load
  • App crashes immediately on launch
  • App crashes after first use and backgrounding
  • Paid for pro user, but no answers for many questions
Show 6 more
  • Navigation tabs become black in dark mode, not full dark mode
  • Note editing removes indentation
  • Problem tags inconsistent with actual solutions
  • Label page freezes after continuous clicking
  • Code formatting is messy in notes after saving
  • Issues with membership verification across devices

Requested features

24 requests
  • Add more iOS technical upgrades
  • Add filter options for algorithms (e.g., top 100, top 200)
  • Allow users to write their own notes for algorithms
  • Add JavaScript examples
  • Allow users to suggest/edit explanations (wiki-like)
Show 19 more
  • Add settings option with restore purchase based on user level
  • Add account system for syncing notes across devices
  • Add search functionality by keyword
  • Add search functionality by problem number
  • Add difficulty selection for tags
  • Add time and space complexity for solutions
  • Remember last viewed problem in company-categorized lists
  • Add tab button for coding
  • Add solution ideas/approaches
  • Add comments to problems for beginners
  • Add filter for marked as seen/unseen
  • Add more languages for implementations
  • Add PAT problem question bank
  • Add landscape mode for tablets or code viewing
  • Optimize responsive display for iPad Pro horizontal view
  • Add Chinese language option
  • Add more C++ solutions
  • Add more solutions overall
  • Optimize tag confirmation step

Java面试题库

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Leaflet for Swift&Algorithm

One-time1
  • Get Pro Version$0.99
3 purchases

Java面试题库

Subscriptions3
  • 月付费会员7 Days trial$0.991 Month
  • 季度付费会员7 Days trial$2.993 Months
  • 半年付费会员7 Days trial$3.996 Months

Questions

Is Leaflet for Swift&Algorithm free?
Leaflet for Swift&Algorithm is free to download, with in-app purchases available.
Is Java面试题库 free?
Java面试题库 is free to download, with in-app purchases available.
Do Leaflet for Swift&Algorithm or Java面试题库 have ads?
Neither Leaflet for Swift&Algorithm nor Java面试题库 shows ads.
Which is updated more often, Leaflet for Swift&Algorithm or Java面试题库?
Leaflet for Swift&Algorithm ships an update every 8 days, and Java面试题库 every 2 months. Most recently, Leaflet for Swift&Algorithm was updated on September 26, 2026 and Java面试题库 on September 7, 2026.

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