Phone Diagnostics vs PhoneCheck

Professional Phone Diagnostics & Hardware Testing Check your phone, test its hardware, monitor device status, and create a detailed inspection report—all in one app. Whether you're checking your own device, troubleshooting a problem, or inspecting a used phone before purchase, this app gives you a convenient way to test and review your device. Comprehensive Hardware Tests Test essential phone components one by one: • Display and touchscreen • Front and rear cameras • Microphone and speakers • Vibration • Flashlight • Face ID / Touch ID • Compass • Network • Storage • CPU and performance • Sensors • Battery status Each manual test can be marked as: Pass / Abnormal / Skipped You can pause and resume an inspection at any time. Used Phone Inspection Buying a used phone? Run through the inspection checklist to check important hardware and device functions before completing a purchase. Review each test individually and create a complete inspection report when you're finished. One-Tap Device Check Quickly review key device information and status, including: • CPU • Memory • Storage • Network • Temperature • Battery status • Hardware • Sensors • System information Get a clear overview of your device without navigating through multiple system screens. Real-Time Monitoring Monitor important device information in real time, including CPU activity, memory, storage, network status, battery state and temperature-related information. Network Tools Built-in network utilities include: • Internet speed test • Ping test • DNS check • Network diagnostics • Port check • Network security tools • Test history Sensors & Utility Tools Check and use your device's compass, level, gyroscope, accelerometer, magnetometer, barometer and proximity sensor. Additional tools include QR code generation and scanning, password generation, flashlight and decibel measurement. Inspection Reports Generate a detailed device inspection report after testing. Save and share your report as an image or PDF, and keep previous reports for future reference. Widgets & Live Activities Use Home Screen and Lock Screen widgets to view important device information at a glance. Supported features also include Live Activities and Dynamic Island for selected device and network information. Important Information Some temperature, CPU, charging and battery-related information is based on publicly available iOS APIs, device state and software analysis. It may be estimated and should not be considered laboratory measurements or official Apple system data. Inspection results are based on user-confirmed test results and are not official certificates or professional device appraisal reports.

PhoneCheck helps you inspect a used phone before you buy it. Buying a second-hand device from a marketplace, reseller, or another person? Run a guided hardware inspection and check the most important functions before handing over your money. PhoneCheck walks you through practical tests and creates a clear inspection result based on the checks you actually perform. COMPLETE DEVICE INSPECTION Test important parts of the device through a simple guided process. Screen Tests • Touchscreen grid test • Multi-touch test • Dead pixel check • OLED and image retention check • Display brightness check Audio Tests • Main speaker • Earpiece • Microphone recording and playback Camera Tests • Rear camera • Front camera • Focus test • Flash and torch test Sensor Tests • Accelerometer • Gyroscope • Compass • Proximity sensor • Haptics and vibration Connectivity Tests • Wi-Fi and network connectivity • Bluetooth • GPS and location • Cellular connectivity PHYSICAL INSPECTION PhoneCheck also guides you through important checks that require visual or manual inspection, including: • Side and volume buttons • Charging port • Face ID or Touch ID • Screen condition • Back glass condition • Front and rear cameras • Speaker and microphone condition DEVICE INFORMATION View useful information available from the device, including: • Device model • Operating system version • Storage capacity • Available storage • Battery percentage • Charging status • Display information • Sensor and camera capabilities PhoneCheck uses public system APIs and does not claim access to restricted information that third-party applications cannot reliably obtain. CLEAR INSPECTION RESULTS After completing the inspection, PhoneCheck summarizes the results using easy-to-understand statuses: . Passed . Needs Attention . Failed . Skipped or Unavailable You can quickly see which areas performed correctly and which ones deserve a closer look before purchasing the device. RETEST PROBLEMS Found something suspicious? Run failed or questionable tests again without repeating the entire inspection. SAVE YOUR INSPECTIONS Keep previous inspection results on your device so you can review and compare devices later. BUILT FOR SECOND-HAND BUYERS PhoneCheck is useful when checking a device from: • Facebook Marketplace • eBay • Local marketplaces • Used-device stores • Refurbished-device sellers • Private sellers PhoneCheck reports only the results of tests performed using the app and user-confirmed inspection items. It does not guarantee a device's authenticity, ownership status, repair history, future performance, or overall condition.