# MECH AI: OBD2 Car Diagnostics

> Check Engine Light & Repairs

Canonical page: [https://chrome-stats.com/d/id6479862739](https://chrome-stats.com/d/id6479862739)

## Overview

- **ID:** `id6479862739`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** MECH.AI LLC
- **Category:** Utilities
- **Rating:** 4.00 / 5 (117 ratings)
- **Version:** 1.3.46
- **Last updated:** 2026-09-08
- **First published:** 2024-04-25
- **Size:** 92 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/mech-ai-obd2-car-diagnostics/id6479862739)
- **Website:** [https://mechai.app/](https://mechai.app/)
- **Privacy policy:** [https://mechai.app/legal/privacy/](https://mechai.app/legal/privacy/)

## Description

**MECH AI** is an all-in-one automotive diagnostic app for DIYers and professional mechanics. Chat with an AI mechanic in seven languages, interpret check engine symptoms, estimate repair costs, and get DIY difficulty ratings. Pair a Bluetooth LE or WiFi ELM327 adapter to read OBD2 trouble codes, live sensor data, emissions readiness, and VIN details using an offline catalog of more than 9,400 codes.

Use guided diagnostics, vehicle health tracking, service history, parts fitment search, TSBs, recalls, and AI-rendered wiring diagrams to troubleshoot repairs efficiently. Plans range from a free ad-supported tier to advanced mechanic and shop options with expanded AI usage, saved vehicles, OEM repair information, and professional workflows.

## Rankings

- #134,798 — Overall

## Review summary

Users praise MECH.AI as a powerful, detailed diagnostic aid for DIY mechanics and mobile shops, offering practical, step-by-step guidance and tools lists. When it works, it's a time-saver and can be a lifesaver, with some pros praising its depth and even humor. However, recurring issues include server connectivity problems, occasional unhelpful or inaccurate responses, data gaps for certain models, and usability hiccups like hanging, blank screens, or VIN lookup failures. Overall, it shows strong potential but reliability and data coverage need improvement.

### Pros

- Informative and detailed diagnostics for DIYers and mobile mechanics
- Very helpful for diagnosing and troubleshooting, often saving time
- Step-by-step guidance with tool lists for repairs
- User-friendly for DIY work and easy to follow
- Advanced AI with depth and even light humor; valued by professionals

### Cons

- Frequent server connection errors and unreliable connectivity
- Unhelpful or generic responses and occasional incorrect diagnoses
- Data gaps and model-specific data gaps (missing makes/models; inconsistent instructions)
- Usability issues: app hangs during data entry, VIN lookup failures, and blank screens
- Occasional incorrect part numbers

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6479862739)