# AutoOBDII vs OBDII AI

The clearest difference is update cadence: OBDII AI at every 3 weeks against AutoOBDII's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

AutoOBDII ships an update every 4 months, OBDII AI every 3 weeks. The most recent releases landed on July 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AutoOBDII | OBDII AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autoobdii/id6503489503/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 83 MB | 82 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Lonauto Technology Co., Ltd.](https://appshunter.io/developer/1744849406) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## 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


### OBDII AI

[App page](https://appshunter.io/ios/app/obdii-ai/id6742878024)

**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 OBDII AI free?

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

### Do AutoOBDII or OBDII AI have ads?

Neither AutoOBDII nor OBDII AI shows ads.

### Which is updated more often, AutoOBDII or OBDII AI?

AutoOBDII ships an update every 4 months, and OBDII AI every 3 weeks. Most recently, AutoOBDII was updated on July 20, 2026 and OBDII AI on September 9, 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.*