# YBOS vs OBD Scan Pro

The clearest difference is in-app purchases: YBOS at none against OBD Scan Pro's 1. YBOS also leads on iOS requirement (9.0 vs 17.6). OBD Scan Pro's advantage is update cadence (every 2 weeks vs every 24 months). On price, ads and device support there is nothing between them.

Both are free to download. OBD Scan Pro sells 1 in-app purchase, starting at $2.99 per month. YBOS asks for nothing beyond the download.

YBOS ships an update every 24 months, OBD Scan Pro every 2 weeks. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | YBOS | OBD Scan Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 weeks** |
| Size | 2 MB | 27 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [嘉伦 马](https://appshunter.io/developer/1338473406) | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) |

## What reviewers say

### YBOS

[App page](https://appshunter.io/ios/app/ybos/id1338473407)

**In-app purchases:** none


### OBD Scan Pro

[App page](https://appshunter.io/ios/app/obd-scan-pro/id6759904058)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD Scan Pro Premium | $2.99 | per month |


## Frequently asked questions

### Is YBOS free?

YBOS is free to download, with no in-app purchases.

### Is OBD Scan Pro free?

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

### Do YBOS or OBD Scan Pro have ads?

Neither YBOS nor OBD Scan Pro shows ads.

### Which is updated more often, YBOS or OBD Scan Pro?

YBOS ships an update every 24 months, and OBD Scan Pro every 2 weeks. Most recently, YBOS was updated on October 26, 2026 and OBD Scan Pro on October 19, 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.*