Comparison

Automobile Engineering Book vs Mechanical Components

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

Head to head
About

Automobile Engineering Book

This app provides a comprehensive yet accessible guide to automobile engineering. It covers basic vehicle structure, common malfunctions, and maintenance rules in a clear, engaging format with ample illustrations. Ideal for novice drivers and anyone seeking to understand their car better.

Highlights
  • Basic vehicle structure information
  • Common malfunctions and solutions
  • Operation and maintenance rules
  • Simple language explanations of car systems
  • Extensive illustrative material
Features
Read full description

Getting started on this application, we set a goal to present a rather difficult theoretical course on the automobile engineering in the most accessible form. Basic knowledge of vehicles' structure will supply a novice driver with confidence in the fact that he will be able to control the situation of any breakdown, predict the amount of necessary work at the service station and just can competently exploit its vehicle. The free form of presentation, deprived of a dry technical syllable, and a large amount of illustrative material will facilitate the learning process and will make it rapid and efficient. The tutorial may be useful for students of driving schools, novice drivers and a wide range of readers who want to get basic knowledge about the car. WHAT CAN YOU FIND IN THIS APPLICATION? - Basic information about mechanism of modern cars - List of the most common malfunctions and ways to eliminate them - Operation and maintenance rules of the car - Description of the car systems in simple language - Plenty useful information that allows you to feel confident in any situation THE APPLICATION IS INTENDED FOR: - Students of driving schools and novice drivers - Parents who want to be confident in the high level of preparation of their children - All drivers who want to know more about their iron horse - Service managers (for better mutual understanding with customer) CONTENT: - Introduction - Car History - Body Types of Passenger Cars - Wheel Arrangement - Classification of Cars - Basic Elements of Passenger Car - Layouts of Major Vehicle Component Parts - Basic Technical Specifications of the Car - About Engines in General - Basic Single-Cylinder Internal Combustion Engine - Classifications of Engines - Basic Technical Specifications of Engine - Gas Distribution Mechanism (GDM) - Cylinder Head - Engine Block and Crank Gear - Engine Cooling System - Engine Lubrication System - Air Intake and Exhaust Systems - Feed System (Fuel System). Main Differences Between Gasoline and Diesel Engines - Feed System of Modern Engines - Purpose of Transmission - Manual Transmission - Automatic Transmission - Drive Gear and Differential. Purpose, Arrangement and Types - Drive Shafts and Hinged Joints. Purpose, Arrangement and Types - All-wheel drive cars - Purpose, Arrangement and Types of Car Suspensions - Wheels and Tires. Arrangement, Purpose and Marking - Wheel Alignment Angles - Brake Control. Purpose - Components - Flow Chart. Brake Circuits - Purpose and Operation of the Anti-Lock Braking System - Purpose and Arrangement of Steering - Purpose and Types of Power Steering - Purpose and General Arrangement of the Car Body - Vehicle Aerodynamics - Airbags - Seat Belts and Active Head Restraints - Means of Pedestrian Protection - Child Restraining Devices - Electrical Equipment and Electric Systems. General Information - Battery Pack (Battery). Purpose, Arrangement and Types - Battery Pack Maintenance. Safety Precautions when Servicing the Battery Pack - Ignition System (Gasoline Engines only) - Preheating System - Charging System. Generator, its Arrangement and Operation - Startup System. Starter, its Arrangement and Operation - Exterior Lighting System. Purpose and Operating Principle - Wipers and Washers. Purpose and Operating Principle - Pointers and Indicators - Heating and Air Conditioning System. Purpose, Arrangement and Operating Principle - Precautions when the Car Owner Carries out Maintenance - Operations that Shall Be Performed in order to Maintain the Normal Working Order of the Vehicle - Basic Car Maintenance Operations - Car Maintenance Schedule - Driver’s Memo - Abbreviations - Glossary The most qualitative textbook about automobile engineering 2025! Be careful behind the wheel! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Mechanical Components

Test your knowledge of mechanical components with interactive quizzes. Features high-quality images, instant feedback, and multiple difficulty levels to help you master engineering parts. Ideal for students, DIY enthusiasts, and professionals.

Highlights
  • Interactive quizzes on mechanical parts
  • High-quality component images
  • Instant feedback and facts
  • Multiple difficulty levels
  • Learn and master engineering components
Features
Read full description

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Test your knowledge of mechanical components and become an expert with Mechanical Components Trivia! Whether you're an engineering student, a DIY enthusiast, or a mechanical professional, this app is your ultimate tool to identify, learn, and master mechanical parts. Features: Interactive Quizzes: Challenge yourself with hundreds of trivia questions on mechanical components like gears, valves, bearings, and more. High-Quality Images: Each quiz features crisp, detailed images of components for better learning and identification. Learn-as-You-Play: Get instant feedback and learn interesting facts about each part. Multiple Difficulty Levels: Progress from beginner to expert as you tackle increasingly challenging quizzes. Expand your mechanical knowledge, sharpen your skills, and have fun along the way! Perfect for preparing for exams, interviews, or simply satisfying your curiosity about the fascinating world of mechanical engineering. Download Mechanical Components today and see how many components you can identify like: Screw Nut Bolt Washer Locknut Rivet Pin Cotter pin Clevis pin Spring washer Split pin Lock washer Flat washer Circlip Retaining ring Key (mechanical) Woodruff key Hex nut Wing nut Eye bolt Anchor bolt Threaded rod Set screw Self-tapping screw Machine screw Shoulder bolt Carriage bolt Hex bolt Flange bolt Square bolt Eyelet Dowel pin Taper pin Snap ring Hose clamp Pipe clamp Hose barb Grease nipple Shim Spacer Bushing Sleeve bearing Plain bearing Thrust washer Spherical bearing Ball bearing Roller bearing Tapered roller bearing Needle roller bearing Thrust bearing Linear bearing Cam follower Ball transfer unit Guide rail Shaft collar Shaft Axle Keyed shaft Splined shaft Gear shaft Flexible coupling Rigid coupling Jaw coupling Bellows coupling Oldham coupling Universal joint Ball joint Linear guide Linear rail Linear actuator Rotary actuator Pneumatic cylinder Hydraulic cylinder Solenoid Gas spring Tension spring Compression spring Leaf spring Belleville spring Torsion spring Constant force spring Extension spring Coil spring Conical spring Wave spring Spiral spring Retainer spring Spring pin Belleville washer Vibration isolator Shock absorber Damper Diaphragm Bellows O-ring Gasket Seal Lip seal Mechanical seal Oil seal Piston ring Wear ring Dust cap Labyrinth seal V-seal Shaft seal Rubber gasket Foam gasket Metal gasket Air filter Fuel filter Oil filter Coolant filter Hydraulic filter Breather filter Inline filter Gear Spur gear Helical gear Bevel gear Worm gear Rack and pinion Planetary gear Crown gear Internal gear Gearbox Gear reducer Pinion Idler gear Gear train Clutch Electromagnetic clutch Friction clutch Dog clutch Centrifugal clutch Fluid coupling Torque converter Transmission Differential CV joint Propeller shaft Drive shaft Flywheel Crankshaft Camshaft Rocker arm Connecting rod Piston Valve Valve seat Valve guide Valve spring Valve lifter Valve stem seal Valve cap Butterfly valve Check valve Ball valve Gate valve Globe valve Needle valve Diaphragm valve Pressure relief valve Safety valve Solenoid valve Pilot valve Flow control valve Directional control valve Hydraulic pump Gear pump Vane pump Piston pump Diaphragm pump Rotary pump Centrifugal pump Axial flow pump Peristaltic pump Screw pump Submersible pump Reciprocating pump Hydraulic motor Pneumatic motor Electric motor Stepper motor Servo motor Linear motor Induction motor Synchronous motor DC motor Brushless motor Brush motor Thermocouple Strain gauge Load cell Proximity sensor Pressure sensor Temperature sensor Position sensor Encoder Resolver Tachometer Potentiometer Thermistor RTD sensor Flow meter Level sensor Accelerometer Vibration sensor Gyroscope Humidity sensor Airflow sensor Shock sensor Proximity switch Limit switch Toggle switch Push-button Slide switch Rotary switch DIP switch Rocker switch Lever switch Tactile switch Relays Contactors

Screenshots

Automobile Engineering Book4 screens
Mechanical Components4 screens

Verdict

The call

The clearest difference is rating: Automobile Engineering Book at 4.6 against Mechanical Components's 3.0. Automobile Engineering Book also leads on update cadence (every 5 weeks vs every 7 months) and ratings volume (9 vs 2). On price, ads, in-app purchases and monetization model 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. Automobile Engineering Book sells 4 in-app purchases, starting at $2.99 per 3 months and Mechanical Components sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Automobile Engineering Book holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

UpkeepUpdate frequency

Automobile Engineering Book ships an update every 5 weeks, Mechanical Components every 7 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Automobile Engineering Book versus Mechanical Components: the parameters behind the verdict, then further details
ParameterAutomobile Engineering BookMechanical Components
PriceFreeFree
Rating4.6 (9 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings9 — better2
Update frequencyEvery 5 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size136 MB49 MB
Age rating4+4+
DeveloperOleksandr PeresheinForwa Elade Wunde

Customer experience

Automobile Engineering Book

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mechanical Components

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

4 purchases

Automobile Engineering Book

Subscriptions1
  • Full version3 Days trial2 variants$2.993 Months
One-time3
  • Full version for three months$2.99
  • Full version for one year$4.99
  • Full version forever$6.99
4 purchases

Mechanical Components

Subscriptions4
  • Week$7.997 Days
  • Month$19.991 Month
  • 6 months$19.996 Months
Show 1 more
  • Year$29.991 Year

Questions

Is Automobile Engineering Book free?
Automobile Engineering Book is free to download, with in-app purchases available.
Is Mechanical Components free?
Mechanical Components is free to download, with in-app purchases available.
Which has better reviews, Automobile Engineering Book or Mechanical Components?
Automobile Engineering Book is rated higher. Automobile Engineering Book averages 4.6 out of 5 from 9 ratings, while Mechanical Components averages 3.0 from 2 ratings.
Do Automobile Engineering Book or Mechanical Components have ads?
Neither Automobile Engineering Book nor Mechanical Components shows ads.
Which is updated more often, Automobile Engineering Book or Mechanical Components?
Automobile Engineering Book ships an update every 5 weeks, and Mechanical Components every 7 months. Most recently, Automobile Engineering Book was updated on October 1, 2026 and Mechanical Components on October 2, 2026.

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