Comparison

Computational Complexity vs Learn Data Structures

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

Head to head
About

Computational Complexity

Explore fundamental concepts of computational complexity with interactive graphs and live sorting algorithm demonstrations. Developed by academics, this app offers a fun and educational way to visualize algorithmic growth and efficiency.

Highlights
  • Interactive Big-O function graphs
  • Live sorting algorithm demonstrations
  • Visualizes algorithmic growth
  • Source code available on Github
  • Educational tool for computer science
Features
Read full description

This app demonstrates the basic principles of computational complexity. The growth of a few typical Big-O functions are illustrated with an interactive graph, and live demonstrations of sorting algorithms can be run using randomly generated data. This app was developed at SUNY Binghamton, by Prof. Patrick H. Madden. Version 1.1 is an expansion on this, with the assistance a few students (primarily Keith Gardner, and undergrad, and Anthony Canino, an MS grad). We're working on the app as a fun project, and as a way to introduce ACM student group members to iOS programming. The source for the app is available on Github; we'll be adding more algorithms and things, and if you're interested in helping out with the development, let us know! https://github.com/keithgardner2/complexity Yay computational complexity! Yay Hartmanis and Stearns!

About

Learn Data Structures

Features
Read full description

This app is a great resource to learn about Computer Science Data Structure. The app is engineered to make users perfect understanding common Data Structures questions by studying for a very short amount of time. Audio functionality and bookmarking is available throughout the app on chapter, section, study mode and quiz modes. The app will help you learn the correct pronunciation of terminologies used in Data Structures using English language. Following are the main features of this app 1. Supports pronouncing Data Structures terminologies in English Language 2. Uses Text to Speech Engine for Audio Functionality 3. Quizzes 4. Study Mode 5. Bookmarking Study Flashcards and Quiz Questions 6. Progress Indicators for Every Chapter 7. Visualization for Overall Progress

Screenshots

Computational Complexity4 screens
Learn Data Structures4 screens

Verdict

The call

The clearest difference is in-app purchases: Computational Complexity at none against Learn Data Structures's 1. Computational Complexity also leads on update cadence (every 3 months vs every 16 months) and iOS requirement (6.0 vs 15.1). On price, ads 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. Learn Data Structures sells 1 one-off in-app purchase. Computational Complexity asks for nothing beyond the download.

UpkeepUpdate frequency

Computational Complexity ships an update every 3 months, Learn Data Structures every 16 months. The most recent releases landed on September 21, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Computational Complexity versus Learn Data Structures: the parameters behind the verdict, then further details
ParameterComputational ComplexityLearn Data Structures
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.1
Further details — not scored
Size18 MB28 MB
Age rating4+4+
DeveloperPatrick MaddenGhumman Tech LLC

In-app purchases

None

Computational Complexity

No in-app purchases

1 purchases

Learn Data Structures

One-time1
  • Remove Ads$9.99

Questions

Is Computational Complexity free?
Computational Complexity is free to download, with no in-app purchases.
Is Learn Data Structures free?
Learn Data Structures is free to download, with in-app purchases available.
Do Computational Complexity or Learn Data Structures have ads?
Neither Computational Complexity nor Learn Data Structures shows ads.
Which is updated more often, Computational Complexity or Learn Data Structures?
Computational Complexity ships an update every 3 months, and Learn Data Structures every 16 months. Most recently, Computational Complexity was updated on September 21, 2026 and Learn Data Structures on October 12, 2026.

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