---
title: "Engine Link - OBD II diagnosis — App Overview"
url: https://marlvel.ai/apps/engine-link-obd-ii-diagnosis
category: Utilities
developer: K SOLUTION LLC
platforms: ios
rating: 2.8 (61 ratings)
pricing: paid
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T05:14:36.463Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Engine Link is a one-time purchase diagnostic scanner that offers advanced customization for OBD II data monitoring without subscription requirements.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 2.8 ★ (61) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 9.0 |
| Developer | K SOLUTION LLC |

<!-- SECTION: Summary -->
## What is Engine Link - OBD II diagnosis?

Engine Link is an automotive diagnostic tool that connects to vehicle ECUs via OBD II Wi-Fi or Bluetooth LE adapters. It enables users to monitor real-time sensor data, clear fault codes, and track performance metrics like horsepower and torque. The app distinguishes itself by supporting custom PID files and offering a one-time purchase model without recurring fees.

<!-- SECTION: Key Features -->
## Key Features

- **DTC Management**: Allows users to read and reset current, pending, and historical diagnostic trouble codes.
- **Custom PID Support**: Provides compatibility with custom PID files, including support for Torque custom PID formats.
- **Performance Monitoring**: Displays real-time sensor data, including fuel efficiency, boost, transmission temperatures, and acceleration metrics.
- **HUD Mode**: Features a heads-up display mode that mirrors data onto the vehicle's windshield for night driving.

<!-- SECTION: Target Audience -->
## Who is it for?

Car owners and automotive enthusiasts looking to perform vehicle diagnostics and monitor engine performance metrics via their iPhone.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/engine-link-obd-ii-diagnosis/id591557194?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/engine-link-obd-ii-diagnosis)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/engine-link-obd-ii-diagnosis).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*