# AutoOBDII vs AutoCheck OBD

The clearest difference is rating: AutoOBDII at 5.0 against AutoCheck OBD's 4.0. AutoOBDII also leads on iOS requirement (13 vs 18.1). AutoCheck OBD's advantage is update cadence (every 2 months vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AutoOBDII holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

AutoOBDII ships an update every 4 months, AutoCheck OBD every 2 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AutoOBDII | AutoCheck OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autoobdii/id6503489503/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/autocheck-obd/id6771629013/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 83 MB | 4 MB |
| Requires iOS | **13** | 18.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Shenzhen Lonauto Technology Co., Ltd.](https://appshunter.io/developer/1744849406) | [Subin Revi](https://appshunter.io/developer/1694863615) |

## What reviewers say

### AutoOBDII

[App page](https://appshunter.io/ios/app/autoobdii/id6503489503)

This application connects to your vehicle via Bluetooth to perform diagnostics and offer driving assistance. It can read and clear fault codes, analyze performance, and track your journeys. Supports multiple languages and high-speed data transmission.

**Highlights:** Bluetooth vehicle communication, Fault code reading and clearing, Instrument panel monitoring, Performance testing, Travel analysis, High-speed data transmission, Low power consumption

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

**In-app purchases:** none


### AutoCheck OBD

[App page](https://appshunter.io/ios/app/autocheck-obd/id6771629013)

Transform your iPhone into a professional OBD-II scanner. Read and clear diagnostic trouble codes with plain-language explanations, view live engine data in real-time, and generate comprehensive diagnostic reports. Explore all features with a demo mode before connecting an adapter.

**Highlights:** Read and clear DTCs, Plain-language code descriptions, Live engine data dashboard, Freeze-frame data capture, Shareable PDF diagnostic reports, Demo Mode for exploration, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is AutoOBDII free?

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

### Is AutoCheck OBD free?

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

### Which has better reviews, AutoOBDII or AutoCheck OBD?

AutoOBDII is rated higher. AutoOBDII averages 5.0 out of 5 from 1 ratings, while AutoCheck OBD averages 4.0 from 1 ratings.

### Do AutoOBDII or AutoCheck OBD have ads?

Neither AutoOBDII nor AutoCheck OBD shows ads.

### Which is updated more often, AutoOBDII or AutoCheck OBD?

AutoOBDII ships an update every 4 months, and AutoCheck OBD every 2 months. Most recently, AutoOBDII was updated on October 13, 2026 and AutoCheck OBD on October 12, 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.*