Comparison

Automobile Engineering Book vs HowToo

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

HowToo

Get expert vehicle repair guidance with step-by-step instructions, tool lists, and safety notes tailored to your specific car. You can also order guaranteed-fit parts directly within the app, saving you time and money on DIY repairs.

Highlights
  • Vehicle-specific repair procedures
  • Tool and torque spec lists
  • Step-by-step videos
  • Guaranteed-fit parts ordering
  • DIY cost vs. shop estimates
  • Maintenance interval information
Features
Read full description

HowToo gives you a master-mechanic experience for every vehicle. Ask a question like “How do I replace my alternator?” and Orion returns exact, trim-specific steps with the right tools, torque specs, step-by-step videos and safety notes. Order the parts in the same flow with guaranteed fit. What you can do: • Get instant vehicle information like how your features work, vehicle specs or maintenance procedures • Get step-by-step repair procedures that match your exact year, make, model, trim, and engine • See required tools, torque specs, fluids, capacities, and cautions before you start • Watch the top video references without leaving the app • Buy from a marketplace of 1M+ OEM and premium aftermarket parts mapped to your vehicle • Guaranteed-fit parts, easy returns, and fast 2 day delivery on most items • Save money with DIY cost vs shop estimates for each job How it works: Select your vehicle. Ask anything: repairs, maintenance intervals, sizes, capacities, or what part you need. Follow clear steps with visuals, tool list, and torque specs. Add the exact parts to cart and check out. Why HowToo: • Accuracy first: procedures and fitment are vehicle-specific • Confidence: no generic steps, no guessing • Convenience: guidance, videos, and parts in one place Popular jobs: • Brake pads and rotors • Battery, alternator, and belt service • Plugs, coils, filters, and fluids • Wiper blades and cabin filter • Suspension and wheel bearings Support Questions or feedback? Visit our Help Center at howtoo.com or contact support through the app.

Screenshots

Automobile Engineering Book4 screens
HowToo4 screens

Verdict

The call

The clearest difference is in-app purchases: HowToo at none against Automobile Engineering Book's 5. HowToo also leads on rating (4.8 vs 4.6). Automobile Engineering Book's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 4 months). On price, review sentiment, ratings volume and device support 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. HowToo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HowToo holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Automobile Engineering Book ships an update every 5 weeks, HowToo every 4 months. The most recent releases landed on August 4, 2026 and September 2, 2026 respectively.

Scorecard5 real differences · 5 level
Automobile Engineering Book versus HowToo: the parameters behind the verdict, then further details
ParameterAutomobile Engineering BookHowToo
PriceFreeFree
Rating4.6 (9 ratings)4.8 (6 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings9 — better6
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size136 MB17 MB
Age rating4+4+
DeveloperOleksandr PeresheinHowToo

Customer experience

Automobile Engineering Book

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

HowToo

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
None

HowToo

No in-app purchases

Questions

Is Automobile Engineering Book free?
Automobile Engineering Book is free to download, with in-app purchases available.
Is HowToo free?
HowToo is free to download, with no in-app purchases.
Which has better reviews, Automobile Engineering Book or HowToo?
HowToo is rated higher. Automobile Engineering Book averages 4.6 out of 5 from 9 ratings, while HowToo averages 4.8 from 6 ratings.
Do Automobile Engineering Book or HowToo have ads?
HowToo shows ads; Automobile Engineering Book does not.
Which is updated more often, Automobile Engineering Book or HowToo?
Automobile Engineering Book ships an update every 5 weeks, and HowToo every 4 months. Most recently, Automobile Engineering Book was updated on August 4, 2026 and HowToo on September 2, 2026.

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