# Auto Mechanic Bob vs Engine LD

The clearest difference is update cadence: Engine LD at every 5 months against Auto Mechanic Bob's every 103 months. Auto Mechanic Bob's advantage is chart position (#197 vs unranked) and price ($0.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Auto Mechanic Bob costs $0.99 and Engine LD $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Auto Mechanic Bob ships an update every 103 months, Engine LD every 5 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Auto Mechanic Bob | Engine LD |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/auto-mechanic-bob-engines/id870140455/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 103 months | **Every 5 months** |
| Monetization | Paid | — |
| Best chart rank | **#197** | — |
| Size | 20 MB | 10 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Michael OMassey](https://appshunter.io/developer/467921979) | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) |

## What reviewers say

### Auto Mechanic Bob

[App page](https://appshunter.io/ios/app/auto-mechanic-bob-engines/id870140455)

**Currently charting:** #197 Top Paid · Education (US App Store)

Explore different types of engines with interactive animations and sounds. Test your knowledge with quizzes and practice diagnosing and fixing engine problems to earn certificates.

**Highlights:** Interactive engine animations, Engine repair challenges, Extensive engine quiz, Starting system information, Engine forums, Printable certificates

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

**In-app purchases:** none


### Engine LD

[App page](https://appshunter.io/ios/app/engine-ld/id930614716)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auto Mechanic Bob free?

Auto Mechanic Bob costs $0.99, with no in-app purchases.

### Is Engine LD free?

Engine LD costs $2.99, with no in-app purchases.

### Do Auto Mechanic Bob or Engine LD have ads?

Neither Auto Mechanic Bob nor Engine LD shows ads.

### Which is updated more often, Auto Mechanic Bob or Engine LD?

Auto Mechanic Bob ships an update every 103 months, and Engine LD every 5 months. Most recently, Auto Mechanic Bob was updated on October 3, 2026 and Engine LD on October 9, 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.*