# OBD Quest vs DeepScan OBD2 Scanner

The clearest difference is ads: DeepScan OBD2 Scanner at none against OBD Quest's shown. DeepScan OBD2 Scanner also leads on iOS requirement (11.0 vs 14.0.0). OBD Quest's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. OBD Quest sells 3 in-app purchases, starting at $9.99 per month and DeepScan OBD2 Scanner sells 18 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for OBD Quest against 5.0 for DeepScan OBD2 Scanner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

OBD Quest ships an update every 3 weeks, DeepScan OBD2 Scanner every 2 months. The most recent releases landed on June 1, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | OBD Quest | DeepScan OBD2 Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/obd-quest/id6496854120/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/deepscan-obd2-scanner/id6739415833/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 54 MB | 2.0 GB |
| Requires iOS | 14.0.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shop Booster Ltd](https://appshunter.io/developer/1741157179) | [Changsha Angsi E-commerce Co., Ltd.](https://appshunter.io/developer/1797024413) |

## What reviewers say

### 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 |


### DeepScan OBD2 Scanner

[App page](https://appshunter.io/ios/app/deepscan-obd2-scanner/id6739415833)

Transform your phone into a powerful car diagnostic tool. Access full system diagnostics, special maintenance functions, and bi-directional controls. Generate detailed reports and utilize a comprehensive repair data library.

**Highlights:** Full system diagnosis, Special maintenance functions, Bi-directional controls, Automatic diagnostic reports, Repair data library, Wireless Bluetooth 5.0 connection

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Auto-renewal | $9.99 | per month |
| Quarterly Auto-renewal | $24.99 | per 3 months |
| Annual Auto-renewal | $49.99 | per year |
| 22 Special Functions Bundle | $129.99 | one-time |
| Renault Gateway 5 Tokens | $147.99 | one-time |
| Nissan Gateway 5 Tokens (EU only) | $147.99 | one-time |
| Nissan Gateway 5 Tokens (EU only) | $147.99 | one-time |
| Renault Gateway 5 Tokens | $147.99 | one-time |
| FCA Gateway 1-year Access (EU only) | $229.99 | one-time |
| VW SFD Gateway 1-year Access | $229.99 | one-time |
| Renault Gateway 10 Tokens | $254.99 | one-time |
| Nissan Gateway 10 Tokens (EU only) | $254.99 | one-time |
| Renault Gateway 10 Tokens | $254.99 | one-time |
| Nissan Gateway 10 Tokens (EU only) | $254.99 | one-time |
| Renault Gateway 20 Tokens | $464.99 | one-time |
| Nissan Gateway 20 Tokens (EU only) | $464.99 | one-time |
| Renault Gateway 20 Tokens | $464.99 | one-time |
| Nissan Gateway 20 Tokens (EU only) | $464.99 | one-time |


## Frequently asked questions

### Is OBD Quest free?

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

### Is DeepScan OBD2 Scanner free?

DeepScan OBD2 Scanner is free to download, with in-app purchases available.

### Which has better reviews, OBD Quest or DeepScan OBD2 Scanner?

OBD Quest and DeepScan OBD2 Scanner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do OBD Quest or DeepScan OBD2 Scanner have ads?

OBD Quest shows ads; DeepScan OBD2 Scanner does not.

### Which is updated more often, OBD Quest or DeepScan OBD2 Scanner?

OBD Quest ships an update every 3 weeks, and DeepScan OBD2 Scanner every 2 months. Most recently, OBD Quest was updated on June 1, 2026 and DeepScan OBD2 Scanner on July 31, 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.*