---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "OBD2 Code"
developer_entity: "Liang-Hung Publishing"
bundle_id: "com.imsapp.obdcode"
app_store_id: "492632063"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2015-11-13"
report_date: "2026-08-31"
last_verified: "2026-08-31T00:00:00.000Z"
report_version: "1.3"
total_reviews: 3
overall_rating: 3.3
confidence: "low"
confidence_score: 0
data_age_days: 31
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["reference", "free", "mobile app", "app review", "app analysis", "vehicle", "owners", "automotive"]
canonical_url: "https://marlvel.ai/apps/obd2-code"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

## ⚠ Content Warning

This report covers topics classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before acting on any information here.

---

# OBD2 Code Intelligence Report

## TL;DR {#tldr}

- **Category**: Reference · Free
- **Signal**: Rating 3.33

> **TL;DR:** OBD2 Code is a reference app by Liang-Hung Publishing, rated 3.33/5 by 3 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** OBD2 Code is a reference app by Liang-Hung Publishing.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.33/5 (3 reviews) |
| **Category** | Reference |
| **Developer** | Liang-Hung Publishing |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0/1.0) |
| **Data Age** | 31d |

## Metadata & Market Performance
- **Publisher:** Liang-Hung Publishing
- **Category:** Reference
- **Target Audience:** Vehicle owners and automotive hobbyists seeking quick lookup of diagnostic trouble codes.
- **Platforms:** iOS
- **Version Reviewed:** 1.3
- **Report Date:** 2026-08-31
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0/1.0)
- **App Store ID (iOS):** 492632063
- **Bundle ID:** com.imsapp.obdcode
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-31

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** OBD2 Code is a static reference database for vehicle diagnostic trouble codes on iOS.
**Why users hire it:** It removes the need for professional diagnostic equipment when interpreting basic vehicle fault codes.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Diagnostic Trouble Code Reference:** Database of standard vehicle fault codes and their corresponding system errors.
- **[Differentiator] Multilingual Support:** Interface and content available in English and Chinese.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

OBD2 Code maintains a 3.3-star rating across three total ratings. The lack of updates since 2015 signals a static position in the reference category.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app operates as a free reference tool with no visible in-app purchases or subscription tiers.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Multilingual content library provides specific utility for non-English speaking hobbyists

**Growth Levers:**
- Integrating Bluetooth scanner support would transition the app to an active diagnostic tool


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The strategic outlook shifted from a recommendation to sunset the app to a proposal for a feature pivot, supported by the inclusion of a 3.3-star rating metric.

**Overall trend**: Stable
**Compared at**: 2026-08-31

### High-impact changes
- **[Shifted] Strategic Pivot Recommendation** (positioning)

### Medium-impact changes
- **[Added] Public Rating Data** (sentiment)
- **[Shifted] SWOT Analysis Refinement** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v1.3, 10 years ago):** Technical update for watchOS 27 compatibility and iOS 9 support, requiring a full app reinstall due to database changes.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for over 10 years.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 3944 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

OBD2 Code is a reference app that is completely free.
It holds a 3.33/5 rating from 3 reviews.

<!-- speakable-start -->
> **Bottom Line:** OBD2 Code serves as a functional static reference, but its decade-long development freeze leaves it vulnerable to modern diagnostic tools that offer live vehicle connectivity.
<!-- speakable-end -->

**Best for:** Vehicle owners and automotive hobbyists seeking quick lookup of diagnostic trouble codes.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] Integrate Bluetooth scanner support because static reference tools are losing market share to live-data diagnostic apps → increase user retention
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Stable

The automotive diagnostic market is shifting toward real-time, cloud-connected scanning tools. OBD2 Code remains a static reference, which limits its growth potential but maintains a simple, no-cost utility for basic code lookups.

- ⚪ The app has remained in maintenance mode for over a decade, indicating no intent to compete with modern live-data diagnostic tools.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.33/5 |
| Total Reviews | 3 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **OBD2 Code** (this app) | 3.33/5 | N/A | Liang-Hung Publishing |
| [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee |
| [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. |
| [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. |

## Company Profile
- **Developer:** Liang-Hung Publishing

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/obd2-code/id492632063?uo=4)
- **Sources:** App store metadata.

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## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 31 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/obd2-code)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.