# aRacerOBD vs OBD Quest

The clearest difference is in-app purchases: aRacerOBD at none against OBD Quest's 3. aRacerOBD also leads on ads (none vs shown) and iOS requirement (10.0 vs 14.0.0). OBD Quest's advantage is update cadence (every 3 weeks vs every 8 months). On price and device support there is nothing between them.

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

aRacerOBD ships an update every 8 months, OBD Quest every 3 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | aRacerOBD | 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 8 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 54 MB |
| Requires iOS | **10.0** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARACER SPEEDTEK INC.](https://appshunter.io/developer/1218691866) | [Shop Booster Ltd](https://appshunter.io/developer/1741157179) |

## What reviewers say

### aRacerOBD

[App page](https://appshunter.io/ios/app/aracerobd/id1448664407)

**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 aRacerOBD free?

aRacerOBD 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 aRacerOBD or OBD Quest have ads?

OBD Quest shows ads; aRacerOBD does not.

### Which is updated more often, aRacerOBD or OBD Quest?

aRacerOBD ships an update every 8 months, and OBD Quest every 3 weeks. Most recently, aRacerOBD was updated on October 10, 2026 and OBD Quest on October 2, 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.*