# Automobile Engineering Book vs Mindminz

The clearest difference is in-app purchases: Mindminz at none against Automobile Engineering Book's 5. Mindminz also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement 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. Mindminz asks for nothing beyond the download.

Automobile Engineering Book ships an update every 5 weeks, Mindminz weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Automobile Engineering Book | Mindminz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/automobile-engineering-book/id1583758958/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 136 MB | 29 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oleksandr Pereshein](https://appshunter.io/developer/1041461209) | [HIGH E SOLUTIONS (PVT) LTD](https://appshunter.io/developer/1845075496) |

## 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 |


### Mindminz

[App page](https://appshunter.io/ios/app/mindminz/id6753799423)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Automobile Engineering Book free?

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

### Is Mindminz free?

Mindminz is free to download, with no in-app purchases.

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

Neither Automobile Engineering Book nor Mindminz shows ads.

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

Automobile Engineering Book ships an update every 5 weeks, and Mindminz weekly. Most recently, Automobile Engineering Book was updated on October 24, 2026 and Mindminz on October 25, 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.*