Comparison

Codelet vs DSA Master

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

Head to head
About

Codelet

Prepare for technical interviews by identifying core coding patterns and analyzing your performance. Practice coding questions conveniently to improve your skills and pinpoint areas for growth.

Highlights
  • Identify core patterns
  • Analyze approaches
  • Track performance
  • Identify improvement areas
  • Practice coding questions
  • Anytime, anywhere practice
Read full description

∙ Identify and analyze the core patterns and approaches ∙ View how well you’re doing and where you can improve ∙ Practice coding questions anywhere and anytime

About

DSA Master

Master algorithms and data structures with interactive visualizations, executable code, and practice challenges. Supports multiple programming languages and offers progress tracking for technical interview preparation.

Highlights
  • Interactive visualizations
  • Live code execution
  • Multi-language support
  • Practice challenges
  • Progress tracking
  • Algorithm animations
Features
Read full description

Master algorithms and data structures with a comprehensive learning platform for computer science students, software engineers, and technical interview preparation. COMPREHENSIVE LEARNING PLATFORM Explore 50+ data structures and algorithms with interactive visualizations, executable code examples, and hands-on practice challenges. From fundamental arrays and linked lists to advanced graph algorithms. INTERACTIVE CODE EXECUTION • Live Code Playground - Write, edit, and execute code in the app • Multi-Language Support - Run code in Python, JavaScript, Java, C++, Kotlin, Dart, and Go • Real-Time Execution Results - See output, errors, and execution time • Syntax Highlighting - Professional code editor with language-specific highlighting • Code Copy & Share - Easily copy code examples or share ANIMATED ALGORITHM VISUALIZATIONS • Step-by-Step Animations - Watch algorithms execute with detailed animated visualizations • Interactive Controls - Play, pause, replay, and control animation speed • Full-Screen Mode - Immersive visualization experience • Visual Data Flow - See how data structures transform during algorithm execution • Multiple Visualization Types - Sorting, searching, tree traversal, graph algorithms COMPREHENSIVE CODE EXAMPLES • 8 Programming Languages - Learn from implementations in Python, JavaScript, Java, C++, Kotlin, Dart, Go, and more • Production-Ready Code - Well-structured, commented code examples • Language Comparison - Compare implementations across different languages • Copy to Playground - Instantly load examples into the code playground • Complexity Analysis - Detailed time and space complexity analysis MODERN INTERFACE & NAVIGATION • Topic Detail Pages - Comprehensive views with Overview, Code, and Visualize sections • Advanced Search & Filtering - Find topics by category, difficulty, or learning path • Smart Recommendations - Personalized topic suggestions • Bookmarks & Notes - Save favorite topics and add personal notes PROGRESS TRACKING & ANALYTICS • Learning Analytics - Track topics completed, challenges solved, and study time • Achievement System - Unlock achievements as you progress • Study Streaks - Build consistent learning habits with daily streak tracking • Study Goals - Set and monitor daily and weekly learning objectives • Performance Insights - Detailed analytics on learning patterns PRACTICE & CHALLENGES • Daily Challenges - New coding challenges every day with varying difficulty levels • Practice Problems - Extensive collection of problems to test understanding • Difficulty Levels - Problems categorized as Easy, Medium, and Hard • Challenge Tracking - Monitor completion rate and improvement COMPREHENSIVE CONTENT LIBRARY Data Structures: Arrays, Dynamic Arrays, Linked Lists, Stacks, Queues, Deques, Hash Tables, Trees (Binary, BST, AVL, Red-Black, Segment, Fenwick), Heaps, Tries, Suffix Trees, Graphs Algorithms: Sorting (Bubble, Selection, Insertion, Merge, Quick, Heap, Topological), Searching (Linear, Binary), Graph Algorithms (DFS, BFS, Dijkstra's, Bellman-Ford, Floyd-Warshall, Kruskal's, Prim's), String Matching (KMP, Rabin-Karp), Tree Traversal ADDITIONAL FEATURES • Offline Access - All content available offline for learning anywhere • Dark Mode Support - Comfortable studying experience in any lighting • Time Complexity Charts - Visual comparisons of algorithm performance • Related Topics - Discover connected concepts and build understanding • Accessibility - Full VoiceOver support and accessibility features • Computer Science Students - Master fundamentals and advanced topics • Software Engineers - Strengthen algorithmic thinking and problem-solving • Technical Interview Preparation - Comprehensive coverage of interview questions • Self-Learners - Structured learning path from beginner to expert • Competitive Programmers - Advanced algorithms and optimization techniques

Screenshots

Codelet4 screens
DSA Master4 screens

Verdict

The call

The clearest difference is review sentiment: Codelet at 53% against DSA Master's 13%. Codelet also leads on rating (4.7 vs 4.2) and in-app purchases (none vs 1). DSA Master's advantage is update cadence (weekly vs every 2 months). On price and device support 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. DSA Master sells 1 one-off in-app purchase. Codelet asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Codelet holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 127 and 35 respectively. Written reviews point the same way: 53% of Codelet's written reviews are positive against 13% of DSA Master's.

UpkeepUpdate frequency

Codelet ships an update every 2 months, DSA Master weekly. The most recent releases landed on October 2, 2026 and September 22, 2026 respectively.

Scorecard8 real differences · 2 level
Codelet versus DSA Master: the parameters behind the verdict, then further details
ParameterCodeletDSA Master
PriceFreeFree
Rating4.7 (127 ratings) — better4.2 (35 ratings)
Positive reviews53.3% of reviews — better12.5% of reviews
Number of ratings127 — better35
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better16.2
Further details — not scored
Size25 MB150 MB
Age rating4+4+
DeveloperCodelet LLCAlok Singh

Customer experience

Codelet

All ratings126 ratings
Positive93.7%
Neutral3.2%
Negative3.2%
Written reviews15 reviews
Positive53.3%
Neutral20.0%
Negative26.7%

DSA Master

All ratings35 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews8 reviews
Positive12.5%
Neutral0.0%
Negative87.5%

In-app purchases

None

Codelet

No in-app purchases

1 purchases

DSA Master

One-time1
  • Remove Ads$1.99

Questions

Is Codelet free?
Codelet is free to download, with no in-app purchases.
Is DSA Master free?
DSA Master is free to download, with in-app purchases available.
Which has better reviews, Codelet or DSA Master?
Codelet is rated higher. Codelet averages 4.7 out of 5 from 127 ratings, while DSA Master averages 4.2 from 35 ratings.
Do Codelet or DSA Master have ads?
DSA Master shows ads; Codelet does not.
Which is updated more often, Codelet or DSA Master?
Codelet ships an update every 2 months, and DSA Master weekly. Most recently, Codelet was updated on October 2, 2026 and DSA Master on September 22, 2026.

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