Best Diagnostic Apps

3.8(86 ratings)

FreeIn-App Purchases

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.

RepairSolutions2 by Innova Electronic

Worth Considering

4.8😊(38K ratings)

FreeIn-App Purchases

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.

What We Love

👍 Easy to use
🚀 Efficient and fast
💡 Helpful diagnostic features
🤑 Good value for money
🔧 Useful for DIY mechanics

Room to Improve

🐛 Connectivity issues
🔍 Limited functionality
🕰️ Slow app performance
🔋 Firmware update process

More Diagnostic apps to explore

Device Monitor²

System activity info

Detailed device informationSensor access and privacy controlCustomizable widgets

This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.

🛠️ Developer Tools

(9.2K)

The best OBD2 diagnostic tool!

Car Scanner ELM OBD2

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.

OBD2 Scanner | OBD Auto Doctor

(328)

ad-supported

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.

(6.2K)

BLE Diagnostic Tool

Bluetooth connectivityData retrievalProtocol analysis

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

iChecker: Phone Diagnostics

Battery Health & System Status

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.

(8)

Device Monitor & Diagnostics +

Phone settings app for iPhone

Detailed device specificationsReal-time battery monitoringStorage and RAM usage tracking

Gain deep insights into your iPhone or iPad's hardware and performance. Monitor battery health, storage, CPU/GPU, display, network, and sensors. Run diagnostics and generate detailed reports.

(2)

BRP Vehicle Diagnostic Tool

M-JET Diagnostic

OBD2 scanner & car diagnostic

(0)

Autmet | OBD2 Scanner

Reads vehicle ECU dataBluetooth OBD device compatibleSupports OBD-II protocols

This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.

Blood Test Results: Lab Values

Lab Test Reference Ranges

Explanations for 300+ blood testsReference ranges (metric/imperial)Thorough interpretation of results

This app serves as a pocket guide for healthcare professionals and students, offering explanations and reference ranges for over 300 blood tests. It features a user-friendly interface with color-coded categories and a search tool for easy navigation and interpretation of lab results.

📚 Education

AI Car Diagnostic, Code Reader

OBD2 Car Scanner: AI Fix

Full DTC Fault Code ScannerLive Sensor Data & Custom DashboardsContinuous Data Logging

Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.

(3)

Remote diagnosticsADAS calibrationVehicle programming

This app provides remote diagnostics, ADAS calibration, and programming services for vehicles. It connects to a cloud-based system, allowing users to manage repairs, submit service requests, and upload vehicle information and photos for expert technicians.

📊 Productivity

(2)

Dead Pixel Test - Screen Check

Display & Touch Diagnostics

Dead pixel detectionTouch screen testingOLED burn-in detection

Diagnose your device's screen for issues like dead pixels, burn-in, and touch response. Offers comprehensive tests and reports, with a Pro version for advanced features and pre-purchase inspections. Prioritizes user privacy with on-device processing.

Full hardware diagnosticsTests touchscreen, cameras, audio, buttonsSimple health summary

Diagnose your iPhone's hardware with comprehensive tests. This utility checks your touchscreen, cameras, audio, and buttons to provide a reliable health summary. It's perfect for troubleshooting, upkeep, or confirming a device's condition before selling.

(0)