Comparison

Leaflet for Swift&Algorithm vs Interview Genie

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
Read full description

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

Interview Genie

Prepare for iOS developer interviews with AI-powered mock interviews, spaced repetition for retention, and customizable practice drills. Track progress with detailed analytics and widgets, and compete with others via Game Center.

Highlights
  • AI-powered mock interviews
  • Spaced repetition system
  • Customizable drills and practice
  • Comprehensive study guide
  • Home screen widgets
  • Detailed analytics
  • Game Center integration
Features
Read full description

Interview Genie: Your AI-Powered iOS Interview Coach Interview Genie is the all-in-one training ground built by iOS developers, for iOS developers. Stop passively reading and start actively preparing with a suite of powerful tools tailored to sharpen your Swift, SwiftUI, and mobile architecture skills—so you can build confidence and land your dream iOS job. Whether you’re a junior iOS developer prepping for your first role or a senior engineer aiming for a lead position, Interview Genie adapts your learning path to focus on what really matters—Swift fundamentals, UIKit, SwiftUI, Combine, concurrency, design patterns, and real-world coding challenges. AI-POWERED MOCK INTERVIEWS: • Engage with an AI Coach in realistic sessions—respond via text or voice. • Receive instant, detailed feedback across Clarity, Correctness, and Depth. • Use consumable AI credits to analyze your answers and improve fast. INTELLIGENT SPACED REPETITION (SRS): • Daily Review: Our smart algorithm resurfaces questions at the perfect moment for long-term retention. • Buggy Code Review: Daily practice sessions where you debug Swift code snippets—train your eye like a senior dev. CUSTOMIZABLE DRILLS & PRACTICE: • Simulate real interview pressure with timed Performance Drills. • Learn at your own pace in the Practice Arena (untimed). • Tailor your session: Choose question types (MCQ or open-ended), difficulty (Beginner to Advanced), and topics. COMPREHENSIVE STUDY GUIDE: • Deep-dive into Swift, ARC, multithreading, memory leaks, Combine, async/await, and System Design. • Each topic includes explanations, best practices, code examples, and common mistakes. WIDGETS FOR DAILY TRACKING: • Daily Review Widget: View pending cards directly on your Home Screen. • AI Coach Widget: See your coaching streak and jump into sessions. • Stats Widget: Monitor drills completed, AI scores, accuracy, and your daily review streak—without opening the app. DETAILED ANALYTICS & HISTORY: • Explore your entire performance across sessions in the History Hub. • Track accuracy, speed, and consistency with intuitive charts. • Filter by topic or session type to discover patterns and blind spots. GAME CENTER INTEGRATION: • Compete with other developers on leaderboards. • Share your scores across drills, AI feedback, and review progress. Unlock Everything with a Subscription: • Full access to the Study Guide • Unlimited drills and random topic generation • Daily SRS sessions and Buggy Code practice • AI credits for coaching and feedback • Purchase extra AI credits as needed Stop memorizing. Start understanding. Download Interview Genie and take control of your interview preparation today.

Screenshots

Leaflet for Swift&Algorithm4 screens
Interview Genie4 screens

Verdict

The call

The clearest difference is review sentiment: Interview Genie at 100% against Leaflet for Swift&Algorithm's 71%. Interview Genie also leads on iOS requirement (18.0 vs 26.0). Leaflet for Swift&Algorithm's advantage is update cadence (every 8 days vs monthly). 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 Interview Genie sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Leaflet for Swift&Algorithm ships an update every 8 days, Interview Genie monthly. Both last shipped on October 14, 2026.

Scorecard3 real differences · 7 level
Leaflet for Swift&Algorithm versus Interview Genie: the parameters behind the verdict, then further details
ParameterLeaflet for Swift&AlgorithmInterview Genie
PriceFreeFree
Rating4.6 (297 ratings) — better—
Positive reviews71.4% of reviews100.0% of reviews — better
Number of ratings297 — better—
Update frequencyEvery 8 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.0 — better
Further details — not scored
Size53 MB14 MB
Age rating4+4+
Developer雷 戴Abhinav Jha

Customer experience

Leaflet for Swift&Algorithm

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

Interview Genie

Written reviews7 reviews
Positive100.0%
Neutral0.0%
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

Interview Genie

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
10 purchases

Interview Genie

One-time10
  • Drill Top-Up$1.99
  • Coach Top-Up$1.99
  • Lite Pack$3.99
Show 7 more
  • Unlock All Access$5.99
  • On-Device AI Pack$7.99
  • Unlock + AI Lite$8.99
  • Plus Pack$8.99
  • Unlock + On-Device AI$12.99
  • AI Max + Free Unlock$14.99
  • Max Pack$14.99

Questions

Is Leaflet for Swift&Algorithm free?
Leaflet for Swift&Algorithm is free to download, with in-app purchases available.
Is Interview Genie free?
Interview Genie is free to download, with in-app purchases available.
Do Leaflet for Swift&Algorithm or Interview Genie have ads?
Neither Leaflet for Swift&Algorithm nor Interview Genie shows ads.
Which is updated more often, Leaflet for Swift&Algorithm or Interview Genie?
Leaflet for Swift&Algorithm ships an update every 8 days, and Interview Genie monthly. Most recently, Leaflet for Swift&Algorithm was updated on October 14, 2026 and Interview Genie on October 14, 2026.

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