HVAC School vs Mechanical Engineering Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVAC School
This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.
- HVAC School podcast episodes
- Tech tip articles by professionals
- Interactive HVAC equation calculators
- Industry knowledge and theory
- Up-to-date industry information
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The app that helps you remember some things you forgot along the way, as well as helps you remember some things you forgot to know in the first place. For all current and aspiring HVAC technicians: HVAC School is the premiere source for knowledge and success in the HVAC industry. With this app you can: * Listen to all episodes of the HVAC School podcast, a podcast committed to bringing you relevant and up to date knowledge of the HVAC industry and what it means to be an HVAC technician. * Read tech tip articles written by industry professionals on various topics to help build your knowledge base and understanding of HVAC theory * Interact with calculators that employ common HVAC equations to help build your understanding of important HVAC mathematics
Mechanical Engineering Book
This app provides a comprehensive guide to mechanical engineering, covering fundamental concepts, key terms, and essential formulas. It's designed for students and professionals to deepen their understanding of machine mechanisms and engineering principles.
- Learn mechanical engineering principles
- Understand machine mechanisms
- Access engineering formulas and equations
- Explore engineering facts
- Covers thermodynamics, materials science, and more
- Designed for professionals and students
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Learn Mechanical Engineering is a professional app to Learning Mechanical Engineering which to helps people to understand the working mechanisms of machines. Learn Mechanical Engineering is designed for mechanism as well research by professional engineers. Learn Mechanical Engineering is the study, design, development, construction, and testing of mechanical and thermal sensors and devices, including tools, machines, and machines. Mechanical engineering careers center on creating technology. Learn Mechanical Engineering Terms and lots of Engineering Equations, Engineering Formulas and Engineering Facts, this Engineering App will sure cement of basics to advanced engineering. Topics - Introduction - Thermodynamics - Engineering Materials - Mechanical Measurement - Machine Tools - Casting And Welding - Properties Of Gases - Fuels And Combustion - Power Plant Engineering - Internal Combustion Engines - Steam Engine, Steam And Gas Turbines - Properties Of Steam And Steam - Stress And Strain - Lifting Machines - Flywheel - Heat Transfer - Air Conditioning - Power Transmission - Coupling, Clutch, And Brake - Air Compressors - Fluid Mechanics And Hydraulic Machines - Mechanical Working Of Metals & Metal Sheet - Manufacturing Systems - Unconventional Machining Processes Why Learn Mechanical Engineering Mechanical engineers design and build solutions to a range of problems, improving efficiency across a wide range of industries. By studying mechanical engineering, you can look forward to good job prospects, high salaries, and varied work Mechanical engineering is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, and maintain mechanical systems. It is one of the oldest and broadest of the engineering branches. Engineering is the use of scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad range of more specialized fields of engineering.
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Verdict
HVAC School and Mechanical Engineering Book both sit at 4.8 stars, but that hides the real split: 83% of HVAC School's written reviews are positive against 0% of Mechanical Engineering Book's. HVAC School also leads on price (Free vs $1.99) and update cadence (monthly vs every 11 months). Mechanical Engineering Book's advantage is iOS requirement (10.0 vs 13.4). On rating, ads, in-app purchases 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
HVAC School is free to download; Mechanical Engineering Book costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for HVAC School against 4.7 for Mechanical Engineering Book. That said, the two scores are not equally well evidenced: HVAC School has 81 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 83% of HVAC School's written reviews are positive against 0% of Mechanical Engineering Book's.
HVAC School ships an update monthly, Mechanical Engineering Book every 11 months. The most recent releases landed on July 6, 2026 and September 27, 2026 respectively.
| Parameter | HVAC School | Mechanical Engineering Book |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.8 (81 ratings) — better | 4.7 (12 ratings) |
| Positive reviews | 82.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 81 — better | 12 |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 10.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Kalos Services Inc. | Haroon Khalil |
Customer experience
HVAC School
Mechanical Engineering Book
In-app purchases
HVAC School
No in-app purchases
Mechanical Engineering Book
No in-app purchases
Questions
Is HVAC School free?
Is Mechanical Engineering Book free?
Which has better reviews, HVAC School or Mechanical Engineering Book?
Do HVAC School or Mechanical Engineering Book have ads?
Which is updated more often, HVAC School or Mechanical Engineering Book?
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