Phone Checkup - Device Test
Test before you buy or sell
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Phone Checkup tests your phone or tablet from top to bottom.
It walks you through the screen, touch, sound, cameras, buttons and charging one step at a time, so anyone can finish a full check in about 3 minutes.
WHEN TO USE IT
- Right after buying a used iPhone or iPad, while the warranty or return period lasts
- Before selling, to confirm everything works and attach the results
- After a drop, or whenever something feels off
FREE CHECKS (8 ITEMS)
- Screen (dead pixels, burn-in)
- Touch (response all the way to the edges)
- Speakers (bottom and earpiece)
- Microphone
- Cameras (every lens)
- Buttons and vibration
- Charging
- Face ID / Touch ID
BEFORE YOU BUY
A checklist of what to look for on the price tag (SIM lock, battery maximum capacity, warranty and return rules) and which screens to ask the seller to show you.
RESULTS AS ONE IMAGE
Save or share one image with the model, OS, storage, date and a pass/fail mark for each item (watermarked in the free version).
DETAILED TESTS (one-time purchase, or watch one video ad to use it once)
- Clean result image without watermark
- Speaker buzz sweep
- Heat, throttling and battery drain (5 minutes)
- Touch sampling rate (Hz)
- Color and brightness uniformity
- Sensors (accelerometer, gyroscope, compass, proximity)
The one-time purchase unlocks everything with no time limit and removes ads. Use "Restore Purchase" when you change devices.
THINGS AN APP CANNOT READ
Battery maximum capacity, parts and repair history, and Activation Lock cannot be read by apps. The app shows you where to find them in Settings.
Results are stored only on your device and are never sent anywhere.
Privacy Policy: https://3810.pro/privacy-policy/kenpin
Contact: https://3810.pro/contact
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Added "Other checkers" to the About this app screen. Jump to the right app or page to check screen smoothness, earbud latency (audio lag) or a game controller.
The developer, 3810 Production, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 3810 PRODUCTION
- Size
- 10.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 4 more
- English, Japanese, Korean, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Detailed Tests $2.99
- Copyright
- © 2026 3810プロダクション