Comparison

Learn Operating System vs Computer Science Dictionary

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

Head to head
About

Learn Operating System

Master operating system concepts through concise study sessions and interactive quizzes. This app offers audio pronunciation of technical terms and bookmarking for flashcards and questions, aiding efficient learning and progress tracking.

Highlights
  • Audio pronunciation of OS terms
  • Text-to-Speech engine
  • Interactive quizzes
  • Study mode
  • Bookmarking flashcards and questions
  • Progress indicators
  • Progress visualization
Features
Read full description

This app is a great resource to learn about Operating System. The app is engineered to make users perfect understanding common Operating System 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 Operating System using English language. Following are the main features of this app 1. Supports pronouncing Operating System 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

About

Computer Science Dictionary

This app offers a comprehensive offline dictionary for computer science and engineering students, featuring over 4,200 terms, formulas, historical insights, and quizzes. Explore computer history, save favorite terms, and test your knowledge with interactive challenges.

Highlights
  • 4,200+ Computer Engineering terms
  • Visual representations of formulas
  • Comprehensive computer history timeline
  • Challenging quizzes
  • Autoplay audio definitions
  • Community word contributions
  • Save favorite terms
Features
Read full description

Clear away your worries with a wealth of terms, formulas, historical insights, and quizzes designed for Computer Science and Engineering students. With over 4,200 Computer Engineering terms and a rich collection of visual representations of key formulas, this offline Computer Science Dictionary covers everything from basic concepts to advanced professional knowledge. It’s more than just a dictionary—it includes a comprehensive timeline of computer history, tracing innovations from the earliest devices to the present. Plus, it’s packed with challenging quizzes to sharpen your knowledge. This Offline Computer Science Engineering App includes categories like: • Software Engineering • Networking • Programming Languages • Information Storage and Retrieval • Architecture • Operating Systems • Computational Science • Intelligent Systems Key Features: • Timeline: Explore computer history from the abacus to modern-day advances. • Play Quiz: Challenge yourself with quizzes to reinforce your knowledge. • Autoplay: Listen and learn by having terms and definitions read to you. • Add Your words: Have something to add? Share it with the community! • Terms Bank : Save your frequently used terms for easy reference. Download this Computer Science Dictionary App and take your learning to the next level!

Screenshots

Learn Operating System4 screens
Computer Science Dictionary4 screens

Verdict

The call

The clearest difference is monetization model: Computer Science Dictionary at free against Learn Operating System's free with in-app purchases. Computer Science Dictionary also leads on ratings volume (3 vs 1) and iOS requirement (13.0 vs 15.1). Learn Operating System's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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 Operating System sells 1 one-off in-app purchase and Computer Science Dictionary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Learn Operating System holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 16 months. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 5 level
Learn Operating System versus Computer Science Dictionary: the parameters behind the verdict, then further details
ParameterLearn Operating SystemComputer Science Dictionary
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (3 ratings)
Number of ratings13 — better
Update frequencyEvery 16 monthsEvery 16 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size29 MB68 MB
Age rating4+4+
DeveloperGhumman Tech LLCShital Gorasiya

Customer experience

Learn Operating System

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Computer Science Dictionary

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Learn Operating System

One-time1
  • Remove Ads$9.99
1 purchases

Computer Science Dictionary

One-time1
  • Lifetime Purchase$6.99

Questions

Is Learn Operating System free?
Learn Operating System is free to download, with in-app purchases available.
Is Computer Science Dictionary free?
Computer Science Dictionary is free to download, with in-app purchases available.
Which has better reviews, Learn Operating System or Computer Science Dictionary?
Learn Operating System is rated higher. Learn Operating System averages 5.0 out of 5 from 1 ratings, while Computer Science Dictionary averages 4.7 from 3 ratings.
Do Learn Operating System or Computer Science Dictionary have ads?
Neither Learn Operating System nor Computer Science Dictionary shows ads.
Which is updated more often, Learn Operating System or Computer Science Dictionary?
Learn Operating System ships an update every 16 months, and Computer Science Dictionary every 16 months. Most recently, Learn Operating System was updated on June 1, 2026 and Computer Science Dictionary on September 22, 2026.

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