# OBD CAN vs OBD2 Scanner + Engine Sound

The clearest difference is ads: OBD CAN at none against OBD2 Scanner + Engine Sound's shown. OBD CAN also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. OBD CAN sells 2 in-app purchases, starting at $1.99 per month and OBD2 Scanner + Engine Sound sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OBD CAN ships an update every 11 days, OBD2 Scanner + Engine Sound every 9 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | OBD CAN | OBD2 Scanner + Engine Sound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/obd2-scanner-plus-engine-sound/id6789023964/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [明道通途](https://appshunter.io/developer/909638339) | [Sena Takasawa](https://appshunter.io/developer/1887478690) |

## What reviewers say

### OBD CAN

[App page](https://appshunter.io/ios/app/obd-can-obd2-car-scanner/id6760162837)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |


### 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 |


## Frequently asked questions

### Is OBD CAN free?

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

### Is OBD2 Scanner + Engine Sound free?

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

### Do OBD CAN or OBD2 Scanner + Engine Sound have ads?

OBD2 Scanner + Engine Sound shows ads; OBD CAN does not.

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

OBD CAN ships an update every 11 days, and OBD2 Scanner + Engine Sound every 9 days. Most recently, OBD CAN was updated on October 28, 2026 and OBD2 Scanner + Engine Sound on October 28, 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.*