Fastsound vs DeviceScope Test

Fastsound is applied to connect the hearing aid to the smart phone, and customize the hearing aid via phone. listening mode change, volume adjustment, noise reduction, etc.

DeviceScope Test is an all-in-one hardware diagnostic and sensor testing toolkit for iPhone and iPad. Quickly check essential components, view live readings, and troubleshoot common device issues from one clean workspace. WHAT YOU CAN CHECK • Audio — Monitor microphone input, test speaker playback, and check volume controls. • Camera — Preview your camera, test the flashlight, and detect AR support. • Display & Input — View screen resolution and pixel density, check touch response, adjust brightness, and use fullscreen colors to look for dead pixels, stuck pixels, or light bleed. • Sensors — Inspect accelerometer, gyroscope, compass, barometer, proximity, ambient light, and pedometer readings. • Connectivity — Check network and Wi-Fi information, scan nearby Bluetooth devices, test NFC, and view GPS accuracy. • System — View battery level and charging status, device information, notification permissions, clipboard behavior, vibration, and biometric capabilities. • Speech — Try text-to-speech and speech recognition tools. USEFUL FOR • Troubleshooting before a video or voice call • Checking a new, used, or repaired iPhone or iPad • Exploring device sensors and hardware capabilities • Running quick QA checks without switching between multiple apps • Finding display, audio, camera, or connectivity problems FAST AND FOCUSED Each tool provides a simple interface with clear status feedback. Open the check you need, follow the instructions, and view the result immediately. PRIVACY BY DESIGN No account is required. Tests begin only when you choose them, and permissions are requested only for features that need them. Your device test results are not uploaded to our servers. Feature availability and readings may vary depending on your device model, hardware, iOS or iPadOS version, permissions, and regional support.