Test & Check for iPhone vs Multi Display

A must-have buying checklist when purchasing an iPhone or iPad! Easily test and verify key functions of your iOS device to ensure everything is working properly. This app helps you perform a comprehensive hardware test on your iPhone or iPad. Additionally, you can check detailed device specifications and monitor system status, including disk usage, CPU usage, memory (RAM) usage, and battery level. Features: Screen - Brightness test - Color test - Touch screen test - Multi-touch test - Pinch test - 3D Touch test Sensors - Accelerometer test - Shake test - Compass test - Proximity test - Touch ID/Face ID test Parts - GPS test - Vibrate test - Flashlight test Multimedia - Speaker test - Microphone test - Camera test - Video test Connectivity - Wi-Fi test - Phone call test Other - Device information check - Other important checklist

If you want get more attention, Multi Display! No more small and invisible messages at the concert hall! Now display your message with great attention with your friends. - You can save the message and open it later. - After creating a message, you can invite your friends to express the message together. - The invitation does not work in airplane mode. - If invitee set the ticket number on their device, you can display the message in the order of the ticket number. - When the message is executed, it operates for up to 10 minutes and stops.