# OBD2 Scanner + Engine Sound vs OBD2 Car Scanner

The clearest difference is ads: OBD2 Car Scanner at none against OBD2 Scanner + Engine Sound's shown. OBD2 Car Scanner also leads on ratings volume (10 vs 1) and device support (3 vs 1). OBD2 Scanner + Engine Sound's advantage is rating (4.0 vs 3.7). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. OBD2 Scanner + Engine Sound sells 2 one-off in-app purchases and OBD2 Car Scanner sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OBD2 Scanner + Engine Sound holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: OBD2 Car Scanner has 10 ratings behind it against 1, so its average is the more settled of the two.

OBD2 Scanner + Engine Sound ships an update every 9 days, OBD2 Car Scanner every 10 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | OBD2 Scanner + Engine Sound | OBD2 Car Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/obd2-scanner-plus-engine-sound/id6789023964/reviews)** | [3.7 (10 ratings)](https://appshunter.io/ios/app/obd2-car-scanner-ai-fix/id6790625743/reviews) |
| Number of ratings | 1 | **10** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 139 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sena Takasawa](https://appshunter.io/developer/1887478690) | [THI MY HAO TRAN](https://appshunter.io/developer/1883310521) |

## What reviewers say

### OBD2 Scanner + Engine Sound

[App page](https://appshunter.io/ios/app/obd2-scanner-plus-engine-sound/id6789023964)

Monitor your car's engine performance and hear its sound in real-time. Customize your dashboard with various widgets and track your drives with detailed maps and trip data. Offers a demo mode and optional Pro features for an enhanced experience.

**Highlights:** Real-time OBD2 data display, Engine sound simulation based on RPM, Customizable dashboard with widgets, Trip computer and fuel economy tracking, Speed and RPM on map view, HUD mode for windshield projection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| car_ui Pro (One-Time) | $4.99 | one-time |


### OBD2 Car Scanner

[App page](https://appshunter.io/ios/app/obd2-car-scanner-ai-fix/id6790625743)

Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live sensor data, and uses AI to explain issues and provide repair guidance.

**Highlights:** Full DTC Fault Code Scanner, Live Sensor Data & Custom Dashboards, Continuous Data Logging, Emissions Readiness Check, AI Car Diagnostics & Repair Guides, Wide Vehicle Compatibility

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - Unlimited Access | $6.99 | per 7 days |
| Monthly - Unlimited Access | $16.99 | per month |
| Yearly - Unlimited Access | $59.99 | per year |
| Yearly - Unlimited Access | $59.99 | per year |


## Frequently asked questions

### Is OBD2 Scanner + Engine Sound free?

OBD2 Scanner + Engine Sound is free to download, with in-app purchases available.

### Is OBD2 Car Scanner free?

OBD2 Car Scanner is free to download, with in-app purchases available.

### Which has better reviews, OBD2 Scanner + Engine Sound or OBD2 Car Scanner?

OBD2 Scanner + Engine Sound is rated higher. OBD2 Scanner + Engine Sound averages 4.0 out of 5 from 1 ratings, while OBD2 Car Scanner averages 3.7 from 10 ratings.

### Do OBD2 Scanner + Engine Sound or OBD2 Car Scanner have ads?

OBD2 Scanner + Engine Sound shows ads; OBD2 Car Scanner does not.

### Which is updated more often, OBD2 Scanner + Engine Sound or OBD2 Car Scanner?

OBD2 Scanner + Engine Sound ships an update every 9 days, and OBD2 Car Scanner every 10 days. Most recently, OBD2 Scanner + Engine Sound was updated on November 5, 2026 and OBD2 Car Scanner on November 10, 2026.

---

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