Screen & Touch Diagnostic

Algorithm LLC

About this app

Screen & Touch Diagnostic is a simple tool that helps you test your phone’s touch responsiveness and screen interaction.

Use the app to quickly check if your screen responds correctly across different areas and touch scenarios. It is useful for detecting dead zones, weak edge response, multi-touch problems, or touch tracking issues.

Features:

Quick Test for full-screen touch coverage
Multi-Touch Test to check several fingers at once
Draw Test to verify smooth touch tracking
Edge Test to examine borders and corners
Live visual feedback during testing
Simple and easy-to-use interface

This app can help when:

your screen feels unresponsive
you want to check a device after repair
you are testing a used phone before buying
you want a fast touch diagnostic tool

Screen & Touch Diagnostic works as a practical offline testing app to help you understand whether your touch screen is working properly.

What’s new

Initial release of Screen & Touch Diagnostic.

- Added Quick Test for full-screen touch coverage
- Added Multi-Touch Test
- Added Draw Test for touch tracking
- Added Edge Test for border responsiveness
- Added simple offline diagnostic experience
- Improved UI for fast screen testing