# Automobile Engineering Book vs AutoFixPro

The clearest difference is review sentiment: Automobile Engineering Book at 100% against AutoFixPro's 0%. Automobile Engineering Book also leads on rating (4.6 vs 3.7) and update cadence (every 5 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Automobile Engineering Book sells 4 in-app purchases, starting at $2.99 per 3 months and AutoFixPro sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Automobile Engineering Book holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 100% of Automobile Engineering Book's written reviews are positive against 0% of AutoFixPro's.

Automobile Engineering Book ships an update every 5 weeks, AutoFixPro every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Automobile Engineering Book | AutoFixPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/automobile-engineering-book/id1583758958/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/autofixpro/id6759000174/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 136 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Oleksandr Pereshein](https://appshunter.io/developer/1041461209) | [Boyan Mitreski](https://appshunter.io/developer/1876252189) |

## What reviewers say

### Automobile Engineering Book

[App page](https://appshunter.io/ios/app/automobile-engineering-book/id1583758958)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | per 3 months |
| Full version for three months | $2.99 | one-time |
| Full version for one year | $4.99 | one-time |
| Full version forever | $6.99 | one-time |


### AutoFixPro

[App page](https://appshunter.io/ios/app/autofixpro/id6759000174)

Access professional-grade repair manuals for over 82 US car makes, covering model years from 1960 to 2025. Get step-by-step instructions, wiring diagrams, DTCs, and more for DIY enthusiasts and professionals. Download manuals for offline use.

**Highlights:** Repair manuals for 82+ car makes, Model years 1960-2025 coverage, Step-by-step repair procedures, Wiring diagrams and schematics, Diagnostic trouble codes (DTCs), Offline manual access, VIN-based custom manual requests

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $9.99 | per month |
| Basic | $9.99 | per 7 days |
| Plus | $42.00 | per 6 months |
| Pro Plan | $60.00 | per year |


## Frequently asked questions

### Is Automobile Engineering Book free?

Automobile Engineering Book is free to download, with in-app purchases available.

### Is AutoFixPro free?

AutoFixPro is free to download, with in-app purchases available.

### Which has better reviews, Automobile Engineering Book or AutoFixPro?

Automobile Engineering Book is rated higher. Automobile Engineering Book averages 4.6 out of 5 from 9 ratings, while AutoFixPro averages 3.7 from 3 ratings.

### Do Automobile Engineering Book or AutoFixPro have ads?

Neither Automobile Engineering Book nor AutoFixPro shows ads.

### Which is updated more often, Automobile Engineering Book or AutoFixPro?

Automobile Engineering Book ships an update every 5 weeks, and AutoFixPro every 3 months. Most recently, Automobile Engineering Book was updated on October 24, 2026 and AutoFixPro on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*