✦ Introduce
This application helps you monitor your device screen refresh rate (Hz) in real time.
It can display the current refresh rate as an overlay on top of other applications, including games, so you always know the actual performance of your screen.

✦ Features
Show real-time screen refresh rate (Hz)
List supported display modes (resolution + Hz)
Floating overlay service that works on top of all apps
Quick toggle to start or stop the overlay

✦ How to use this app?
The app requires “Draw over other apps” permission to display refresh rate overlay.
When you first start the service, the app will ask you to grant this permission.
After enabling, you can toggle the overlay anytime.
No root is required.