Best Negen Diagnostics Apps

211+ iOS apps curated and reviewed

4.3 avg rating

20 free apps

Updated June 2026

With an average user rating of 4.3★, the negen diagnostics category is one of the App Store's strongest. Browse all 211+ apps we track, sorted so the most loved ones surface first.

Top Picks for Negen Diagnostics

#1

Negen Diagnostics by Negen Diagnostics

Specialty labs and Genomics

Editor's Choice

🏥 Medical

0.0(0 ratings)

Free

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#2

FIXD OBD2 Scanner by FIXD Automotive Inc

Clear Your Check Engine Light

Strong Contender

🔧 Utilities

4.6😐(26K ratings)

FreeAdsIn-App Purchases

#52in Utilities

FIXD OBD2 Scanner screenshot 1

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FIXD OBD2 Scanner screenshot 3

FIXD OBD2 Scanner screenshot 4

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FIXD OBD2 Scanner screenshot 6

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

What We Love

👍 Easy to use
🚀 Quickly identifies problems
💰 Saves money on mechanics
🔍 Provides detailed diagnostic information

Room to Improve

🔒 Requires subscription for full functionality
💰 Expensive premium subscription
🤖 Inconsistent performance across vehicles

#3

BlueDriver OBD2 Scan Tool by Root Four Imagination Inc.

Fear No Fix™

Worth Considering

📊 Productivity

4.6😊(14K ratings)

Free

BlueDriver OBD2 Scan Tool screenshot 1

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BlueDriver OBD2 Scan Tool screenshot 5

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

What We Love

👍 Easy to use
🚀 Excellent diagnostic capabilities
💰 Great value for money
🔍 Detailed fault code information

Room to Improve

🐛 Occasional Bluetooth connectivity issues
⚠️ Limited support for some vehicle makes/models
🚫 Cannot read odometer information

More Negen Diagnostics apps to explore

OBDeleven – OBD2 car scanner

OBDeleven – OBD2 car scanner

Diagnostics, service & coding

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

Basic OBD2 diagnosticsLive data monitoringAdvanced diagnostics for licensed brands

free with in-app purchases

Carly — OBD2 car scanner

Carly — OBD2 car scanner

Diagnose, Code and Service

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

Read and clear fault codes from all ECUsMonitor engine live data parametersStep-by-step car repair guides

📊 Productivity

free with in-app purchases

Code, Service, Diagnose cars

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

Customize car behavior and unlock hidden featuresDiagnose and reset dashboard warning lightsMonitor real-time vehicle parameters

free with in-app purchases

OTR Diagnostics

OTR Diagnostics

Heavy-duty scan tool made easy

This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.

AI-powered fault code explanationBi-directional commands for repairsReset active/inactive fault codes

free with in-app purchases

Phone Diagnostics

Phone Diagnostics

Test & Find Repair Shop

Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.

Test device functionalitiesCheck hardware before buyingVerify repairs

free with in-app purchases

OBD2 Car Scanner - Torque FixD

OBD2 Car Scanner - Torque FixD

OBD2 ELM Diagnostic, Car HUD

Diagnose your car's engine and transmission with real-time data, customizable dashboards, and emissions readiness checks. This app connects to your vehicle's OBD2 system via Wi-Fi or Bluetooth for comprehensive maintenance and performance insights.

Comprehensive diagnosticsCustomizable dashboardReal-time monitoring

free with in-app purchases

Scan your car & clear faults

Transform your smartphone into a powerful car diagnostic tool. Easily scan, diagnose, and customize your vehicle's settings. Access advanced features like coding and live data to save time and money on car maintenance.

Advanced diagnosticsCoding and adaptationsOutput tests

free with in-app purchases

Car Scanner | OBD Auto Doctor

Car Scanner | OBD Auto Doctor

OBD2 diagnostics for ELM 327

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings

free with in-app purchases

by THINKCAR INC

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

OE-level diagnostic functionsFull OBD II diagnosisSpecial maintenance functions

free with in-app purchases

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

Display live vehicle dataRead and clear diagnostic trouble codesCreate and playback data recordings

free with in-app purchases

by Ford Motor Company

This app offers a streamlined diagnostic solution for Ford, Lincoln, and Mercury vehicles. It allows users to read and clear trouble codes, monitor live data, and perform key programming without a full scan tool. Access vehicle information and service bulletins for 2010 and newer models.

Read and decode VINRead and clear DTCsRead live data

RepairSolutions2

RepairSolutions2

by Innova Electronics

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

OBD2 scanner integrationVerified repair databaseDiagnostic trouble code definitions

free with in-app purchases

by Shenzhen Kingbolen Electrics Technology Co., Ltd.

Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.

Full-function diagnosisRead data flowRead/clear fault code

by HK TOPDON TECHNOLOGY Co., LIMITED

Transform your phone or tablet into a powerful vehicle diagnostic tool via Bluetooth. Access full system diagnosis, OBDII functions, bi-directional controls, and essential maintenance services for a wide range of car brands. Generate detailed diagnostic reports for efficient troubleshooting.

Full System DiagnosisFull OBD2 FunctionsBi-directional Control

free with in-app purchases

Neuberg Diagnostics (India)

Neuberg Diagnostics (India)

by Neuberg Diagnostics Private Limited

Book lab, radiology, and genetic tests from home. Access comprehensive diagnostic services with advanced technology and AI. Get accurate reports from a network of accredited labs.

Book lab testsRadiology test bookingHome sample collection

by Piotr Bialic

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Read/Clear Diagnostic Trouble CodesAccess Live Data from all sensorsView vehicle settings

free with in-app purchases

Hi-Precision Diagnostics

Access your laboratory results, download them as PDFs, and find branch locations. Stay updated with the latest news, promotions, and events. This app also provides a doctor's directory and information on lab test preparation.

Access cumulative results onlineDownload results as PDFCheck lab test prep & dictionary