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FPSViewer

FPSViewer is a lightweight Android tool that displays a realtime FPS counter on screen.

The app runs a floating overlay that shows the current frames per second of the active application.

⚡ APK size: ~30 KB

Features

  • 📊 Realtime FPS counter
  • 📱 Floating overlay
  • 🔩 Double tap to off
  • 🔍 Shows foreground package name
  • ⚡ Very low CPU usage
  • 🪶 Extremely lightweight

Permissions

FPSViewer requires elevated privileges to access system frame statistics.

Supported methods:

  • Shizuku
  • Root

Requirements

  • Android 8.0+
  • Overlay permission
  • One of the following:
    • Shizuku running
    • Root access

How It Works

FPSViewer reads frame rendering statistics from the Android system and calculates FPS in realtime.
The result is displayed as a floating overlay above all apps.

Installation

  1. Download the APK from the Releases section
  2. Install the APK
  3. Grant Display over other apps permission
  4. Start Shizuku or ensure Root access
  5. Launch FPSViewer