Comparison

Mechanical Engineering Toolkit vs ScanMasterAI

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

Head to head
About

Mechanical Engineering Toolkit

This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

Highlights
  • Engineering equations and formulas
  • Mechanics of Material calculations
  • Theory of Elasticity formulas
  • Composite Material properties
  • Reference material
  • Variable input for calculations
Features
Read full description

Mechanical Engineering Toolkit is a professional engineering calculator for students, researchers, and practicing engineers. Choose a formula, enter your variables, and get instant results — with calculation steps, formulas, diagrams, and unit conversions shown along the way. Switch between SI and Imperial units anytime, save favorites, and find the right tool fast with recommendations by major. Save your inputs as named projects, and export any result as text, image, CSV or PDF. Categories and tools: Mechanics of Material • Moments of inertia of plane areas • Force-displacement relation of a bar • Torsion formula and angle of twist • Flexure formula of a beam • Transverse shear stress • Deflections and slopes of cantilever and simple beams • Plane stress transformation and Mohr's circle • Principal stresses and planes • Spherical shell and thin-walled pressure vessel stresses • Buckling load of a column • Thermal deformation and stress • Combined loading • Bolted / riveted joints • Fatigue safety factor • Shaft power and torque Statics • Centroid of an area • Resultant of a force system • Beam reactions • 2D truss analysis Machine Design • Helical compression springs • Spur gear geometry and stresses • Shaft fatigue design (DE-Goodman) • Bearing L10 life • Belt and chain drives • Bolt preload / torque-tension • Fillet weld strength • Press / shrink-fit interference • Shaft critical speed (Dunkerley) • Beam natural frequency (five end conditions) • Torsional natural frequency (one or two rotors) Fluids & Thermal • Reynolds number and flow regime • Pipe pressure drop (Darcy-Weisbach with Colebrook) • Pump and fan power • Composite wall conduction • Fin efficiency • Heat exchanger sizing by LMTD Theory of Elasticity • Constitutive relation of linear elastic material • Stress/strain of linear elastic material Composite Material • Lamina and laminate stress/strain • Lamina engineering constants • Laminate plane and 3D properties • Rule of mixtures • Failure criteria (Tsai-Hill, Tsai-Wu) Reference Tables • Drill & tap chart (metric and imperial thread series) • ISO 286 fits & tolerances • Standard sections (AISC W, IPE, HEB) • Unit converter No account required. Works offline. Available in English, Chinese, German, French, and Japanese.

About

ScanMasterAI

Features
Read full description

Scan, extract, and turn any document into a clean PDF in seconds. ScanMaster AI is a powerful OCR document scanner that helps you capture, recognize, and convert text from photos with speed and precision. Whether it's receipts, notes, or business documents, everything becomes organized, searchable, and ready to share. Key Features Smart AI Scanning Auto-detect edges, enhance clarity, and correct perspective instantly. Accurate OCR Text Recognition Extract text from images and photos with high precision in seconds. Create Ready-to-Share PDFs Convert scans into clean, professional PDFs instantly. Export in Multiple Formats Save and share as PDF, TXT, JPG, or PNG with ease. Print Anytime Print your documents directly from your device. Multi-language Support Recognizes English, French, German, Portuguese, Spanish, Italian, and Japanese. Perfect For Scanning documents on the go Digitizing receipts and invoices Extracting text from photos Saving handwritten notes Organizing important files Why ScanMaster AI Fast, accurate, and easy to use. ScanMaster AI simplifies document scanning and text extraction into a seamless experience. Privacy First Your scans stay secure and private on your device. Download Now Download ScanMaster AI and turn your photos into powerful, shareable documents today. Auto-Renewable Subscription Info: - Title: ScanMaster AI Pro (Weekly / Monthly / Yearly) - Length: 1 week / 1 month / 1 year (depending on selected plan) - Price: Displayed in-app based on your region and App Store pricing - Payment is charged to your Apple ID at confirmation of purchase - Subscription renews automatically unless canceled at least 24 hours before the end of the current period - You can manage or cancel your subscription in App Store account settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.aigamebox.cc/ScanMasterAI/privacyPolicy.html

Screenshots

Mechanical Engineering Toolkit4 screens
ScanMasterAI4 screens

Verdict

The call

The clearest difference is ads: ScanMasterAI at none against Mechanical Engineering Toolkit's shown. Mechanical Engineering Toolkit's advantage is update cadence (every 8 days vs every 6 weeks). On price, in-app purchases, device support 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. Mechanical Engineering Toolkit sells 1 one-off in-app purchase and ScanMasterAI sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mechanical Engineering Toolkit ships an update every 8 days, ScanMasterAI every 6 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Mechanical Engineering Toolkit versus ScanMasterAI: the parameters behind the verdict, then further details
ParameterMechanical Engineering ToolkitScanMasterAI
PriceFreeFree
Rating4.8 (64 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings64 — better—
Update frequencyEvery 8 days — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size38 MB23 MB
Age rating4+4+
DeveloperAPPS BAY LIMITED钦美 范

In-app purchases

1 purchases

Mechanical Engineering Toolkit

One-time1
  • Remove Ads$2.99
3 purchases

ScanMasterAI

Subscriptions3
  • ScanMasterAI Pro Weekly$1.997 Days
  • ScanMasterAI Pro Monthly$4.991 Month
  • ScanMasterAI Pro Yearly$29.991 Year

Questions

Is Mechanical Engineering Toolkit free?
Mechanical Engineering Toolkit is free to download, with in-app purchases available.
Is ScanMasterAI free?
ScanMasterAI is free to download, with in-app purchases available.
Do Mechanical Engineering Toolkit or ScanMasterAI have ads?
Mechanical Engineering Toolkit shows ads; ScanMasterAI does not.
Which is updated more often, Mechanical Engineering Toolkit or ScanMasterAI?
Mechanical Engineering Toolkit ships an update every 8 days, and ScanMasterAI every 6 weeks. Most recently, Mechanical Engineering Toolkit was updated on September 24, 2026 and ScanMasterAI on September 10, 2026.

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