Comparison

mechanical design engine vs Gear Calculator Pro

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

Head to head
About

mechanical design engine

Features
Read full description

* To calculate basic thickness of cylindrical/rectangular pressure vessel including heads if input data such as pressure, temperature, inner diameter and material information. * flange data can be easily searched. * Profile steel information such as pipe, H, W, I and U-Beam. * Raw material information, that is chemical composition and mechanical properties, for example, ASTM A240 316L, EN10297-1, SUS316L and so on. * Size and shape information of every thread(iso/unf/pf/pt) and shackles(bow/d-type) * To calculate force and moment of solid mechanics according to support type.

About

Gear Calculator Pro

This professional mechanical design tool helps engineers and enthusiasts calculate and optimize various gear parameters. It offers accurate calculations for different gear types, custom parameter input, and real-time design previews.

Highlights
  • Accurate calculations for spur, helical, and worm gears
  • Customizable design parameters
  • Real-time calculation previews
  • Efficient gear design formulas and tools
  • User-friendly interface for all levels
Features
Read full description

The Gear Calculation App is a professional mechanical design tool tailored for engineers and mechanical enthusiasts. Whether you need to design gears, calculate gear parameters, or optimize mechanical transmission systems, this app can meet your needs. With its simple and intuitive interface and powerful calculation functions, you can easily calculate key parameters such as gear module, number of teeth, pressure angle, pitch diameter, and addendum circle diameter. Main Features: Accurate Calculations: Supports precise calculations for various gear types, including spur gears, helical gears, worm gears, and more, ensuring that your design data is highly accurate. Custom Parameters: Allows users to input custom parameters and adjust gear design and calculation methods as needed. Real-time Preview: Calculation results are instantly visible, helping you quickly verify the feasibility of your design. Efficient Tools: Includes a variety of commonly used formulas and tools, simplifying the gear design and analysis process. User-friendly: Easy to operate, suitable for users of all levels, from beginners to professional engineers. Whether you are engaged in mechanical design work or studying gear mechanics, this app will become an indispensable assistant for you. Download the Gear Calculation App now and start optimizing your designs!

Screenshots

mechanical design engine4 screens
Gear Calculator Pro2 screens

Verdict

The call

The clearest difference is in-app purchases: mechanical design engine at none against Gear Calculator Pro's 1. Gear Calculator Pro's advantage is update cadence (every 4 days vs every 2 months) and device support (4 vs 2). On price, ads and iOS requirement 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. Gear Calculator Pro sells 1 one-off in-app purchase. mechanical design engine asks for nothing beyond the download.

UpkeepUpdate frequency

mechanical design engine ships an update every 2 months, Gear Calculator Pro every 4 days. Both last shipped on November 3, 2026.

Scorecard3 real differences · 6 level
mechanical design engine versus Gear Calculator Pro: the parameters behind the verdict, then further details
Parametermechanical design engineGear Calculator Pro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.013.0
Further details — not scored
Size63 MB6 MB
Age rating4+4+
Developergan dae choi志桂 李

In-app purchases

None

mechanical design engine

No in-app purchases

1 purchases

Gear Calculator Pro

One-time1
  • 永久会员$9.99

Questions

Is mechanical design engine free?
mechanical design engine is free to download, with no in-app purchases.
Is Gear Calculator Pro free?
Gear Calculator Pro is free to download, with in-app purchases available.
Do mechanical design engine or Gear Calculator Pro have ads?
Neither mechanical design engine nor Gear Calculator Pro shows ads.
Which is updated more often, mechanical design engine or Gear Calculator Pro?
mechanical design engine ships an update every 2 months, and Gear Calculator Pro every 4 days. Most recently, mechanical design engine was updated on November 3, 2026 and Gear Calculator Pro on November 3, 2026.

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