# YAWOA vs OBD Quest

The clearest difference is in-app purchases: YAWOA at none against OBD Quest's 3. YAWOA 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 2 months). On price, rating, ratings volume 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. YAWOA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for YAWOA against 5.0 for OBD Quest. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

YAWOA ships an update every 2 months, OBD Quest every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | YAWOA | OBD Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/yawoa/id1513104336/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/obd-quest/id6496854120/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 104 MB | 54 MB |
| Requires iOS | **10.0** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [亮 侯](https://appshunter.io/developer/616725498) | [Shop Booster Ltd](https://appshunter.io/developer/1741157179) |

## What reviewers say

### YAWOA

[App page](https://appshunter.io/ios/app/yawoa/id1513104336)

This diagnostic tool helps users understand their vehicle's performance and troubleshoot issues. It allows for scanning and clearing trouble codes, viewing real-time data, and checking smog readiness. Ideal for mechanics, enthusiasts, and everyday drivers seeking to diagnose and fix their car.

**Highlights:** Generate, print, and share repair reports, Scan and clear trouble codes, View Mode 6 monitoring results, Smog readiness check, Access freeze frame data, Interactive data graphing and logging, Wireless vehicle communication

**Features:** macOS Compatibility

**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 YAWOA free?

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

### Is OBD Quest free?

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

### Which has better reviews, YAWOA or OBD Quest?

YAWOA and OBD Quest are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do YAWOA or OBD Quest have ads?

OBD Quest shows ads; YAWOA does not.

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

YAWOA ships an update every 2 months, and OBD Quest every 3 weeks. Most recently, YAWOA was updated on November 3, 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.*