Best Diagnostic Apps

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges

Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.

(32K)

Phone Doctor Plus

by Idea Mobile Tech inc.

40+ hardware diagnostic testsSystem monitoring (hardware, battery, memory, storage)Daily battery capacity and charging cycle recording

Diagnose over 40 hardware and system issues with this app. Monitor your phone's hardware, battery, memory, and storage. Track network usage and daily charging cycles to keep your device running smoothly.

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

(36K)

iChecker: Phone Diagnostics

Hardware Test & Battery Health

39 forensic hardware testsInstant overall health gradeScreen and display checks

This app performs comprehensive hardware diagnostics on your iPhone, checking 39 critical components. It provides an overall health grade and detailed test results, helping you identify potential issues before they become costly repairs. Generate shareable reports and monitor your device's health over time with routine checks.

Connect to devices via Bluetooth to retrieve and display diagnostic data. Analyze information obtained through the protocol to troubleshoot and understand device status.

Bluetooth connectivityData retrievalProtocol analysis

BRP Vehicle Diagnostic Tool

OBD2 Scanner | OBD Auto Doctor

Car Diagnostics & Check Engine

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

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.

(6.1K)

BlankState Device Diagnostics.

BlankState Diagnostic

This app features six automated games to assess visual acuity, color vision, stereopsis, and relative brightness. It helps healthcare professionals identify potential eye diseases for further diagnosis and treatment by specialists.

Visual acuity measurementColor vision testingStereopsis assessment

🏥 Medical

(3)

ELM327 WiFi Diagnostic

Car diagnostic

ELM327 version supportAll protocol supportVersion and protocol checking

This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.

by Quest Diagnostics, Inc.

View lab results securelyFind nearby Quest locationsSchedule and manage appointments

Access your lab results, schedule appointments, and manage your health information securely. Find nearby locations, share data with providers, and even purchase your own tests. Take proactive control of your well-being.

🏥 Medical

(466K)

free

BitRaser Mobile Diagnostics2

DAVE, Diagnostic Assistant

by KENT JEREMY GARRISON

This professional car diagnostic app connects to UJS OBDII devices via Bluetooth to read and clear fault codes, monitor real-time vehicle performance, and analyze travel data. It supports multiple languages and offers high-speed, low-power data transmission.

Fault code reading and clearingReal-time instrument panel displayVehicle performance testing

DriveVerse: AI Car Diagnostics

(1)

free

Diagnose car sounds with AI

AI sound diagnosticsConfidence levels and repair cost estimatesIssue tracking and trend analysis

This app uses AI to analyze car sounds, providing insights into potential issues, estimated repair costs, and urgency. It helps track car problems over time, compare symptoms, and understand trends for smarter maintenance and proactive ownership.

(7)