# OBD2 Fault Codes with Solution vs Car Engine and Suspension

The clearest difference is rating: Car Engine and Suspension at 4.2 against OBD2 Fault Codes with Solution's 3.7. Car Engine and Suspension also leads on in-app purchases (none vs 1) and ratings volume (73 vs 3). OBD2 Fault Codes with Solution's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBD2 Fault Codes with Solution sells 1 one-off in-app purchase. Car Engine and Suspension asks for nothing beyond the download.

Car Engine and Suspension holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Car Engine and Suspension has 73 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of OBD2 Fault Codes with Solution's written reviews are positive against 63% of Car Engine and Suspension's.

OBD2 Fault Codes with Solution ships an update every 9 months, Car Engine and Suspension every 18 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | OBD2 Fault Codes with Solution | Car Engine and Suspension |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/obd2-fault-codes-with-solution/id6464370892/reviews) | **[4.2 (73 ratings)](https://appshunter.io/ios/app/car-engine-and-suspension/id6471146773/reviews)** |
| Number of ratings | 3 | **73** |
| Positive reviews | 50.0% of reviews | **62.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 months** | Every 18 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 75 MB | 198 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Muhammad Asad Khan](https://appshunter.io/developer/1227004769) | [Renzo Macedo](https://appshunter.io/developer/1403943580) |

## What reviewers say

### OBD2 Fault Codes with Solution

[App page](https://appshunter.io/ios/app/obd2-fault-codes-with-solution/id6464370892)

Decode automotive trouble codes with a comprehensive database and detailed explanations. Find step-by-step guides to diagnose and resolve issues, making car maintenance accessible for all users.

**Highlights:** OBD2 code database, Detailed code descriptions, Solution guides, User-friendly interface, Vehicle make and model coverage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium Version | $1.99 | one-time |


### Car Engine and Suspension

[App page](https://appshunter.io/ios/app/car-engine-and-suspension/id6471146773)

Explore detailed animated models of internal combustion engines and car suspension systems. Observe components in action, understand their functions, and experiment with suspension configurations to learn about automotive mechanics.

**Highlights:** Transparent internal combustion engine model, Animated suspension system visualization, Variable suspension system configuration, Slow-motion detail viewing, Component exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD2 Fault Codes with Solution free?

OBD2 Fault Codes with Solution is free to download, with in-app purchases available.

### Is Car Engine and Suspension free?

Car Engine and Suspension is free to download, with no in-app purchases.

### Which has better reviews, OBD2 Fault Codes with Solution or Car Engine and Suspension?

Car Engine and Suspension is rated higher. OBD2 Fault Codes with Solution averages 3.7 out of 5 from 3 ratings, while Car Engine and Suspension averages 4.2 from 73 ratings.

### Do OBD2 Fault Codes with Solution or Car Engine and Suspension have ads?

Both OBD2 Fault Codes with Solution and Car Engine and Suspension show ads.

### Which is updated more often, OBD2 Fault Codes with Solution or Car Engine and Suspension?

OBD2 Fault Codes with Solution ships an update every 9 months, and Car Engine and Suspension every 18 months. Most recently, OBD2 Fault Codes with Solution was updated on October 23, 2026 and Car Engine and Suspension on October 22, 2026.

---

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