Comparison

mechanical design engine vs Calcubench

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

Head to head
About

mechanical design engine

Features
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* 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

Calcubench

Features
Read full description

Calcubench is a fast, offline toolkit built for engineers, technicians, and students who need reliable conversions and calculations without hunting through reference books or spreadsheets. UNIT CONVERTER Convert length, mass, force, pressure, energy, power, torque, area, volume, speed, angle, density, viscosity, and flow rate all offline, all instant. FRACTION ↔ DECIMAL Convert fractional inch measurements to decimal and back, with adjustable precision down to 1/64". POWER ↔ TORQUE Convert between power and torque at a given rotational speed. MATERIAL & FLUID DATABASE Built-in mechanical properties for common engineering materials and fluidsβ€”density, elastic modulus, shear modulus, yield and tensile strength, and viscosityβ€”plus the ability to add your own custom materials. PRO TOOLS Unlock a full set of mechanical engineering calculators: - Beam Deflection β€” rectangular, circular, tube, and I-beam profiles - Torsion β€” angle of twist and shear stress for shafts - Shear β€” maximum shear force and safety factor - Fastener Calculator β€” torque, preload, and tensile stress area - Pipe Flow Analysis β€” Reynolds number, pressure drop, and flow rate - Weight Estimator - Bolt & Torque Chart, Drill & Tap Size Chart, Structural Shapes reference WORKS OFFLINE No internet connection needed β€” every calculation runs on your device. Available in English and Spanish, with metric and imperial units throughout and adjustable decimal precision.

Screenshots

mechanical design engine4 screens
Calcubench4 screens

Verdict

The call

The clearest difference is in-app purchases: mechanical design engine at none against Calcubench's 1. mechanical design engine also leads on iOS requirement (13.0 vs 15.0). Calcubench's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Calcubench 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, Calcubench every 9 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

Scorecard3 real differences Β· 3 level
mechanical design engine versus Calcubench: the parameters behind the verdict, then further details
Parametermechanical design engineCalcubench
PriceFreeFree
Update frequencyEvery 2 monthsEvery 9 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size63 MB21 MB
Age rating4+4+
Developergan dae choiJUAN MATIAS DEBARBORA

In-app purchases

None

mechanical design engine

No in-app purchases

1 purchases

Calcubench

One-time1
  • Calcubench Pro$6.99

Questions

Is mechanical design engine free?
mechanical design engine is free to download, with no in-app purchases.
Is Calcubench free?
Calcubench is free to download, with in-app purchases available.
Do mechanical design engine or Calcubench have ads?
Neither mechanical design engine nor Calcubench shows ads.
Which is updated more often, mechanical design engine or Calcubench?
mechanical design engine ships an update every 2 months, and Calcubench every 9 days. Most recently, mechanical design engine was updated on October 11, 2026 and Calcubench on October 1, 2026.

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