# OBDII Trouble Codes Lite vs AutoOBDII

The clearest difference is rating: AutoOBDII at 5.0 against OBDII Trouble Codes Lite's 2.1. AutoOBDII also leads on in-app purchases (none vs 1) and ads (none vs shown). OBDII Trouble Codes Lite's advantage is ratings volume (7 vs 1). On price and device support there is nothing between them.

Both are free to download. OBDII Trouble Codes Lite sells 1 one-off in-app purchase. AutoOBDII asks for nothing beyond the download.

AutoOBDII holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: OBDII Trouble Codes Lite has 7 ratings behind it against 1, so its average is the more settled of the two.

OBDII Trouble Codes Lite ships an update every 25 months, AutoOBDII every 4 months. The most recent releases landed on August 24, 2026 and July 20, 2026 respectively.

## The numbers

| Metric | OBDII Trouble Codes Lite | AutoOBDII |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (7 ratings)](https://appshunter.io/ios/app/obdii-trouble-codes-lite/id688952518/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autoobdii/id6503489503/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 25 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 54 MB | 83 MB |
| Requires iOS | 15.6 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oleg Chumakov](https://appshunter.io/developer/688892120) | [Shenzhen Lonauto Technology Co., Ltd.](https://appshunter.io/developer/1744849406) |

## What reviewers say

### OBDII Trouble Codes Lite

[App page](https://appshunter.io/ios/app/obdii-trouble-codes-lite/id688952518)

Access a comprehensive database of OBD II diagnostic trouble codes. Quickly look up definitions for generic and manufacturer-specific codes without an internet connection. Easily copy and share code descriptions.

**Highlights:** Extensive OBD II code definitions, Offline access, No car model selection needed, Copy and share descriptions, Supports generic and manufacturer codes

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


### 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


## Frequently asked questions

### Is OBDII Trouble Codes Lite free?

OBDII Trouble Codes Lite is free to download, with in-app purchases available.

### Is AutoOBDII free?

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

### Which has better reviews, OBDII Trouble Codes Lite or AutoOBDII?

AutoOBDII is rated higher. OBDII Trouble Codes Lite averages 2.1 out of 5 from 7 ratings, while AutoOBDII averages 5.0 from 1 ratings.

### Do OBDII Trouble Codes Lite or AutoOBDII have ads?

OBDII Trouble Codes Lite shows ads; AutoOBDII does not.

### Which is updated more often, OBDII Trouble Codes Lite or AutoOBDII?

OBDII Trouble Codes Lite ships an update every 25 months, and AutoOBDII every 4 months. Most recently, OBDII Trouble Codes Lite was updated on August 24, 2026 and AutoOBDII on July 20, 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.*