PhoneCheck Pro vs NoiseLog

evice Monitor is a fast, no-nonsense hardware inspection tool for iPhone. Whether you're buying or selling a used iPhone, or just want to verify that everything works on your current device, Device Monitor walks you through 8 essential checks in about 3 minutes. WHAT IT CHECKS • Screen Colors — Full-screen color patterns to reveal dead pixels, tint, burn-in, and bright spots • Touch — Interactive grid to confirm the display responds evenly, including edges and corners • Camera — Front and rear camera availability and live preview check • Flashlight — Hardware torch toggle test • Microphone — Short audio recording with instant playback • Speaker — Audio playback test using the built-in speaker • Biometrics — Face ID or Touch ID hardware support check • Connectivity — Wi-Fi, Bluetooth, battery level, charging status, and vibration HOW IT WORKS Each step gives a clear one-line instruction and three result buttons: Pass, Issue, or Skip. Automated steps run on their own — you just confirm the result. After all 8 steps, you get a clean summary showing exactly what passed and what needs attention. HONEST ABOUT WHAT IT CANNOT DO Device Monitor does not claim to verify original parts, Apple's official battery health, board-level faults, or IMEI/carrier lock status. It focuses on the hardware checks an ordinary user can meaningfully confirm in a trade situation. NO ACCOUNT REQUIRED Everything runs locally on your device. No sign-in, no cloud sync, no data collection.

NoiseLog turns your phone into a fast, accurate sound level meter. Point it anywhere and read the decibels in real time — then log, chart, and understand the noise around you. MEASURE • Live dB gauge with a smooth, readable needle • Min, average, max and peak for every session • Calibrate to match a reference for better accuracy LOG & ANALYZE • Save measurements with one tap (or auto-save on stop) • Professional time-based charts — min, avg, max, peak • Export any measurement to CSV and share STAY SAFE • Loud-noise alerts with a custom threshold • NIOSH safe-exposure guidance at a glance • A clear reference for what every decibel level means PRIVATE BY DESIGN Audio is analyzed on-device in real time. It is never recorded, stored, or sent anywhere. ONE-TIME PRO — NO SUBSCRIPTION Unlock unlimited history, alerts, detailed charts, and CSV export with a single purchase. Pay once, own it forever. Note: a phone microphone is not a certified sound meter. Readings are estimates — use them as a guide, not for compliance.