Comparison

Device Check & Hardware Test vs iDiagnostic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Device Check & Hardware Test

Features
Read full description

Device Check is a professional-grade hardware diagnostic and performance testing application designed to help you thoroughly evaluate your device's functionality and capabilities. Whether you're testing a new device, troubleshooting issues, or simply curious about your device's performance, Device Check provides comprehensive insights into every aspect of your hardware. Key Features: Comprehensive Hardware Testing - Screen & Display: Test brightness, color accuracy, touch responsiveness, multi-touch, and keyboard functionality - Sensors: Verify accelerometer, compass, proximity sensor, biometric authentication (Face ID/Touch ID), and LiDAR scanner - Multimedia: Test the hardware for speakers, microphone, camera, and video recording is available - Device Components: Check GPS, flashlight, vibration, battery health, storage, RAM, CPU, and physical buttons - Connectivity: Verify WiFi, Bluetooth, hotspot, and cellular connectivity Performance Benchmark Suite - Processor Performance: Single-core and multi-core CPU tests, integer and floating-point operations - Graphics Performance: 3D rendering, GPU computing, shader performance, and texture fill rate - Memory Performance: RAM read/write speeds, copy performance, and latency tests - Storage Performance: Sequential and random read/write speed analysis - User Experience: App startup time, interface smoothness, response latency, and multitasking performance Detailed Reports - Comprehensive test results with pass/fail status for each component - Performance scores and comparisons - Device information and specifications - Exportable test reports for reference Additional Tools - Warranty status check - Activation lock verification - Device information display - Test history tracking Perfect for device buyers, sellers, technicians, or anyone who wants to ensure their device is functioning at peak performance. Device Check helps you identify issues early, verify device authenticity, and make informed decisions about your hardware.

About

iDiagnostic

This tool helps you quickly check the functionality of your iPhone or iPad's hardware components. It tests the display, touch screen, cameras, speakers, and microphone, ensuring everything is working as expected. Designed for privacy, all tests are performed on-device with no data collection.

Highlights
  • Display color and dead pixel test
  • Configurable touch screen grid test
  • Camera detection and individual testing
  • Speaker and earpiece audio output test
  • Microphone recording and playback test
  • On-device processing, no data collection
Features
Read full description

iDiagnostic is a fast, easy-to-use hardware diagnostic tool for iPhone and iPad. In just a few taps, verify that every key hardware component on your device is working correctly: DISPLAY - RGB color test cycles through Red, Green, and Blue full-screen patterns to spot dead pixels and color shifts. TOUCH SCREEN - Configurable grid (4x3 to 20x12) covers the entire screen so you can confirm every region responds correctly. - Real-time progress counter — tap to fill cells, get instant pass/fail when complete. CAMERAS - Detects every physical camera on your device — wide, ultra-wide, telephoto, TrueDepth, LiDAR. - Test each one individually with live preview and capture. LOUD SPEAKER - Plays a recognizable melody (Twinkle Twinkle Little Star) through the bottom speaker so you can verify audio output and quality. INTERNAL SPEAKER (EARPIECE) - Same melody routed through the top earpiece — hold the phone to your ear to confirm. MICROPHONE - Record your voice with a live audio level meter, then play it back to verify recording and playback both work. PRIVACY FIRST iDiagnostic runs entirely on your device. No data is ever collected, transmitted, stored, or shared. The app makes zero network requests. Your camera, microphone, and test results stay 100% on-device. LANGUAGES Available in English and Vietnamese — automatically follows your device's system language setting. Perfect for: - Anyone buying a used iPhone — verify hardware before paying - Phone repair shops checking refurbished devices - Developers testing app permissions and AVFoundation behavior - Tech enthusiasts curious about which cameras their phone has No ads. No tracking. No accounts. Just a clean diagnostic tool that does one thing well.

Screenshots

Device Check & Hardware Test3 screens
iDiagnostic3 screens

Verdict

The call

The clearest difference is update cadence: iDiagnostic at weekly against Device Check & Hardware Test's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Device Check & Hardware Test ships an update every 2 months, iDiagnostic weekly. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
Device Check & Hardware Test versus iDiagnostic: the parameters behind the verdict, then further details
ParameterDevice Check & Hardware TestiDiagnostic
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.6 — better17.0
Further details — not scored
Size2 MB9 MB
Age rating4+4+
Developer国 李Giang Do

In-app purchases

None

Device Check & Hardware Test

No in-app purchases

None

iDiagnostic

No in-app purchases

Questions

Is Device Check & Hardware Test free?
Device Check & Hardware Test is free to download, with no in-app purchases.
Is iDiagnostic free?
iDiagnostic is free to download, with no in-app purchases.
Do Device Check & Hardware Test or iDiagnostic have ads?
Neither Device Check & Hardware Test nor iDiagnostic shows ads.
Which is updated more often, Device Check & Hardware Test or iDiagnostic?
Device Check & Hardware Test ships an update every 2 months, and iDiagnostic weekly. Most recently, Device Check & Hardware Test was updated on September 30, 2026 and iDiagnostic on October 8, 2026.

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