# OBD Diagnostics vs OBD2 Car Diagnostics

The clearest difference is in-app purchases: OBD2 Car Diagnostics at none against OBD Diagnostics's 1. OBD2 Car Diagnostics also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. OBD Diagnostics sells 1 one-off in-app purchase. OBD2 Car Diagnostics asks for nothing beyond the download.

## The numbers

| Metric | OBD Diagnostics | OBD2 Car Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 23 MB | 1 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EJSmith](https://appshunter.io/developer/305393602) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### OBD Diagnostics

[App page](https://appshunter.io/ios/app/obd-diagnostics/id6759762253)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### OBD2 Car Diagnostics

[App page](https://appshunter.io/ios/app/obd2-car-diagnostics/id6768301997)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD Diagnostics free?

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

### Is OBD2 Car Diagnostics free?

OBD2 Car Diagnostics is free to download, with no in-app purchases.

### Do OBD Diagnostics or OBD2 Car Diagnostics have ads?

OBD Diagnostics shows ads; OBD2 Car Diagnostics does not.

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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.*