CheckUp – Device Diagnostics

Test your phone’s display, battery, sensors, and performance in one app

Diagnose, test, and optimize your smartphone with CheckUp — the all-in-one device diagnostics and hardware testing tool.

Is your phone behaving strangely? Planning to buy a used device and want to check for dead pixels or hardware issues? Curious about your battery health, refresh rate, or gaming performance? CheckUp gives your device a complete health check in just a few taps.

With 15+ advanced diagnostic tests, CheckUp helps you identify hardware defects, test sensor accuracy, and verify system specifications with precision. Whether you’re a tech enthusiast, mobile gamer, or everyday user, CheckUp ensures your device stays in top condition.

🔍 Key Features

📱 Display & Touch Testing
• Detect dead pixels, stuck pixels, and screen burn-in
• Check touch accuracy and identify unresponsive areas
• Multi-touch testing with support for 10+ fingers
• Measure real-time screen refresh rate (Hz) and FPS
• Analyze ghosting, blur, and pixel response time
• Measure touch input latency for gaming

🎮 Performance & Gaming
• Monitor FPS stability and gaming performance
• Identify performance drops and rendering issues

🧭 Sensor Diagnostics
• Test accelerometer, gyroscope, proximity, GPS, and more
• Verify sensor accuracy and responsiveness

🔊 Audio & Speaker Tools
• Test speaker clarity and microphone quality
• Water ejection feature to remove water and dust from speakers

🔋 Battery & Device Health
• View detailed battery health and usage statistics
• Monitor power efficiency and charging behavior

🌐 Connectivity & Device Info
• Internet speed test with upload, download, and ping
• View complete device specifications including CPU, RAM, and storage

✅ Why Choose CheckUp?
• Fast and easy-to-use diagnostics
• Accurate real-time testing
• Ideal for used phone checks
• Useful for gamers, technicians, and everyday users

Take control of your device’s health today with CheckUp – Device Diagnostics.