Comparison

Gear Design 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

Gear Design

Design involute gears with a CAD interface, allowing visual assessment through touch gestures. Generate and export STL data for 3D printing and perform tooth bending strength analysis with PDF sharing.

Highlights
  • Involute gear design
  • CAD interface
  • Touch gesture controls (zoom, rotate)
  • STL data generation
  • Email export
  • Tooth bending strength analysis
  • PDF sharing
Features
Read full description

Gear Design is great in designing involute gears from scratch. Application includes a CAD interface in front end where users can assess designed gears visually with their finger gestures (zoom, rotate, twist etc.). Users can easily generate STL data of the CAD model and export them via Email (Two step action: first generate data and then export via Email). Tooth bending strength analysis calculator is included with multiple sharing options, including a pdf file.

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

Computer Science Dictionary4 screens

Verdict

The call

The clearest difference is price: Computer Science Dictionary at Free against Gear Design's $2.99. Computer Science Dictionary also leads on rating (4.8 vs 1.5) and ratings volume (9 vs 2). Gear Design's advantage is in-app purchases (none vs 1) and iOS requirement (9.3 vs 13.0). On update cadence and ads 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

Computer Science Dictionary is free to download; Gear Design costs $2.99 up front. Computer Science Dictionary sells 1 one-off in-app purchase. Gear Design asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Computer Science Dictionary holds the better App Store score, 4.8 against 1.5. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

UpkeepUpdate frequency

Gear Design ships an update every 12 months, Computer Science Dictionary every 16 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Gear Design versus Computer Science Dictionary: the parameters behind the verdict, then further details
ParameterGear DesignComputer Science Dictionary
Price$2.99Free — better
Rating1.5 (2 ratings)4.8 (9 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings29 — better
Update frequencyEvery 12 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.3 — better13.0
Further details — not scored
Size38 MB68 MB
Age rating4+4+
DeveloperDRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STIShital Gorasiya

Customer experience

Gear Design

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Computer Science Dictionary

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

In-app purchases

None

Gear Design

No in-app purchases

1 purchases

Computer Science Dictionary

One-time1
  • Lifetime Purchase$6.99

Questions

Is Gear Design free?
Gear Design costs $2.99, with no in-app purchases.
Is Computer Science Dictionary free?
Computer Science Dictionary is free to download, with in-app purchases available.
Which has better reviews, Gear Design or Computer Science Dictionary?
Computer Science Dictionary is rated higher. Gear Design averages 1.5 out of 5 from 2 ratings, while Computer Science Dictionary averages 4.8 from 9 ratings.
Do Gear Design or Computer Science Dictionary have ads?
Neither Gear Design nor Computer Science Dictionary shows ads.
Which is updated more often, Gear Design or Computer Science Dictionary?
Gear Design ships an update every 12 months, and Computer Science Dictionary every 16 months. Most recently, Gear Design was updated on October 9, 2026 and Computer Science Dictionary on October 24, 2026.

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