Comparison

Subnetting Practice Master 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

Subnetting Practice Master

Master subnetting skills for network certifications with this app. It offers over 100 questions across three difficulty modes, a timer, and helpful tutorials. Track your progress and aim for a high score to prove your expertise.

Highlights
  • Over 100 questions
  • Numerical keyboard
  • Three training modes
  • 1-minute timer per question
  • Help button with powers and binary
  • Explanation for questions
  • Score system
Features
Currently charting
Read full description

If you are pursuing the CCNA / CCNP Certification, you should be able to resolve a Subnetting / Reverse Subnetting Problem in a minute or less. This application will measure your Subnetting Skills!!! Features: - Over 100+ Questions - Numerical Keyboard with Submit button for faster response. - 3 Training Modes: EASY, HARD & MASTER! - Timer: 1 Minute per Question! (Hard & Master Modes) - Help Button Available: Cheat, Powers & Binary! - Why? Button with an explanation of the question. - Why? Button is available on EASY Mode Only. - Basic Tutorial. - Powers & Binary Buttons available now after using the Cheat Button. - Layout Questions! - Score System, Answer 30 to get Rated! - Do you consider yourself good at Subnetting… Try the Master Mode! - No Ads, just pure Subnetting! PS: I have expended many weeks developing this app adding new features in order to worth every penny!, Thank You for your Support!

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

Subnetting Practice Master4 screens
Learn Data Structures4 screens

Verdict

The call

The clearest difference is price: Learn Data Structures at Free against Subnetting Practice Master's $4.99. Subnetting Practice Master's advantage is in-app purchases (none vs 1) and update cadence (every 5 months vs every 16 months). On 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

Learn Data Structures is free to download; Subnetting Practice Master costs $4.99 up front. Learn Data Structures sells 1 one-off in-app purchase. Subnetting Practice Master asks for nothing beyond the download.

UpkeepUpdate frequency

Subnetting Practice Master ships an update every 5 months, Learn Data Structures every 16 months. The most recent releases landed on August 5, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 6 level
Subnetting Practice Master versus Learn Data Structures: the parameters behind the verdict, then further details
ParameterSubnetting Practice MasterLearn Data Structures
Price$4.99Free — better
Rating4.5 (34 ratings) — better—
Positive reviews91.7% of reviews—
Number of ratings34 — better—
Update frequencyEvery 5 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#186 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size17 MB28 MB
Age rating4+4+
Developerenrique caballeroGhumman Tech LLC

In-app purchases

None

Subnetting Practice Master

No in-app purchases

1 purchases

Learn Data Structures

One-time1
  • Remove Ads$9.99

Questions

Is Subnetting Practice Master free?
Subnetting Practice Master costs $4.99, with no in-app purchases.
Is Learn Data Structures free?
Learn Data Structures is free to download, with in-app purchases available.
Do Subnetting Practice Master or Learn Data Structures have ads?
Neither Subnetting Practice Master nor Learn Data Structures shows ads.
Which is updated more often, Subnetting Practice Master or Learn Data Structures?
Subnetting Practice Master ships an update every 5 months, and Learn Data Structures every 16 months. Most recently, Subnetting Practice Master was updated on August 5, 2026 and Learn Data Structures on September 9, 2026.

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