# RAY Commercial vs OBD Quest

The clearest difference is in-app purchases: RAY Commercial at none against OBD Quest's 3. RAY Commercial also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). OBD Quest's advantage is device support (3 vs 1) and iOS requirement (14.0.0 vs 16.0). On price there is nothing between them.

Both are free to download. OBD Quest sells 3 in-app purchases, starting at $9.99 per month. RAY Commercial asks for nothing beyond the download.

RAY Commercial ships an update every 10 days, OBD Quest every 3 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | RAY Commercial | OBD Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obd-quest/id6496854120/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 109 MB | 54 MB |
| Requires iOS | 16.0 | **14.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RAY Labs SAL](https://appshunter.io/developer/1288439458) | [Shop Booster Ltd](https://appshunter.io/developer/1741157179) |

## What reviewers say

### RAY Commercial

[App page](https://appshunter.io/ios/app/ray-commercial/id6482996818)

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

**In-app purchases:** none


### OBD Quest

[App page](https://appshunter.io/ios/app/obd-quest/id6496854120)

Decode and understand car diagnostic trouble codes with this comprehensive interpreter. It provides detailed insights into fault codes, potential causes, and repair recommendations, complementing your existing OBD2 scanning tools. Access a vast database of codes across multiple languages and car brands to diagnose issues with confidence.

**Highlights:** Interpretation of over 85,000 OBD2 codes, Multilingual support (English, French, Italian, German, Portuguese, Spanish), Extensive coverage across auto makes and brands, Detailed insights for each code search, Unlimited code searches, AI-powered code interpretation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Plan | $9.99 | per month |
| Yearly Pro Plan | $99.99 | per year |
| Pro Plan for 3 days only | $0.99 | one-time |


## Frequently asked questions

### Is RAY Commercial free?

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

### Is OBD Quest free?

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

### Do RAY Commercial or OBD Quest have ads?

OBD Quest shows ads; RAY Commercial does not.

### Which is updated more often, RAY Commercial or OBD Quest?

RAY Commercial ships an update every 10 days, and OBD Quest every 3 weeks. Most recently, RAY Commercial was updated on October 30, 2026 and OBD Quest on November 4, 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.*