Phone Diagnostics - Hardware
Phone Test & Device Check
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Professional Phone Diagnostics & Hardware Testing
Check your phone, test its hardware, monitor device status, and create a detailed inspection report—all in one app.
Whether you're checking your own device, troubleshooting a problem, or inspecting a used phone before purchase, this app gives you a convenient way to test and review your device.
Comprehensive Hardware Tests
Test essential phone components one by one:
• Display and touchscreen
• Front and rear cameras
• Microphone and speakers
• Vibration
• Flashlight
• Face ID / Touch ID
• Compass
• Network
• Storage
• CPU and performance
• Sensors
• Battery status
Each manual test can be marked as:
Pass / Abnormal / Skipped
You can pause and resume an inspection at any time.
Used Phone Inspection
Buying a used phone?
Run through the inspection checklist to check important hardware and device functions before completing a purchase.
Review each test individually and create a complete inspection report when you're finished.
One-Tap Device Check
Quickly review key device information and status, including:
• CPU
• Memory
• Storage
• Network
• Temperature
• Battery status
• Hardware
• Sensors
• System information
Get a clear overview of your device without navigating through multiple system screens.
Real-Time Monitoring
Monitor important device information in real time, including CPU activity, memory, storage, network status, battery state and temperature-related information.
Network Tools
Built-in network utilities include:
• Internet speed test
• Ping test
• DNS check
• Network diagnostics
• Port check
• Network security tools
• Test history
Sensors & Utility Tools
Check and use your device's compass, level, gyroscope, accelerometer, magnetometer, barometer and proximity sensor.
Additional tools include QR code generation and scanning, password generation, flashlight and decibel measurement.
Inspection Reports
Generate a detailed device inspection report after testing.
Save and share your report as an image or PDF, and keep previous reports for future reference.
Widgets & Live Activities
Use Home Screen and Lock Screen widgets to view important device information at a glance.
Supported features also include Live Activities and Dynamic Island for selected device and network information.
Important Information
Some temperature, CPU, charging and battery-related information is based on publicly available iOS APIs, device state and software analysis. It may be estimated and should not be considered laboratory measurements or official Apple system data.
Inspection results are based on user-confirmed test results and are not official certificates or professional device appraisal reports.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, 珩 周, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- 珩 周
- Size
- 21.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 15 more
- English, Arabic, Danish, Dutch, French, German, Italian, Japanese, Korean, Norwegian Bokmål, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 zh Inc.