Check My Device vs iDiagnosis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Check My Device
Thoroughly test your iPhone or iPad's display, sensors, connectivity, and other components. Ideal for verifying device functionality before buying, selling, or for long-term use.
- Screen and display tests
- Multimedia component tests
- Sensor diagnostics
- Device parts testing
- Connectivity checks
- Warranty and damage checks
Read full descriptionHide full description
Test Your iPhone & iPad Before You Buy or Sell Buying a used device? Selling your old one? Run a complete self test to ensure everything works properly. This app acts as your personal device monitor and testerup tool, helping you verify the display, sensors, connectivity, and warranty of any iPhone or iPad. Key Tests Screen & Display • Brightness Test • Color Test • Touch Screen Test • Multi - Touch Test • Pinch Test • Keyboard Typing Test • Notification LED Test Multimedia • Sound Test • Microphone Test • Camera Test • Video Test Sensors • Accelerometer Test • Shake Test • Compass Test • Face ID / Biometric Test • Proximity Sensor Test • Ambient Light Sensor Test • LiDAR Scanner Test Device Parts • GPS Test • Flashlight Test • Vibrate Test • Battery Health Test • Storage Test • RAM Test • CPU Stress Test • SIM card Detection Test • SD Card Test Connectivity • WiFi Test • Bluetooth Test • Hotspot Test • Phone Call Test • NFC Test • IR Blaster Test • Airplane Mode Test • Ultra-Wideband ( UWB ) Test Other Checks • Warranty Check • Activation Lock Check • Water Damage Check • iTunes Sync Test • Button Check • Cosmetic Damage Check Generate Report To View With this app, you can confidently check your iPhone or iPad before buying, selling, or using it long-term. ******* Please Note********** Free Usage Access : > You can test almost all tests ( some tests are not available for free ) by viewing ADs Pro User Access ( Subscription ) > You can test every test and also ADs will be hidden till subscription ends Pro User Access ( Life Time Access ) > You can test every test and also ADs will be hidden for lifetime **************** Privacy Policy Link : https://www.dropouts.in/privacypolicy/privacy-policy.html Terms and Conditions Link : https://www.dropouts.in/privacypolicy/terms-of-use.html
iDiagnosis
Diagnose hardware components and sensors on your iPhone or iPad. Get detailed reports on tests, including device configuration and IMEI, to verify phone authenticity and functionality. Ideal for checking second-hand devices or ensuring your current phone works correctly.
- Diagnose mobile components and sensors
- Detailed test reports
- Display feature and configuration details
- Check device IMEI
- Test screen, sound, motion, connectivity, sensors, hardware, and camera
Read full descriptionHide full description
iDiagnosis app allows you to diagnose mobile components, hardware & sensors of your iPhone/iPad and gives a detailed report of each test. It also displays feature and configuration details of the devices including IMEI that helps ensure that you’re not buying a stolen phone. iDiagnosis helps in testing your phone and ensures that every feature of your phone works. This is a very simple and easy to use application. So, if you are planning to buy a second-hand phone or want to check if your existing mobile works properly, then this is the right app for you. List of features that can be tested on iPhone/iPad: • Screen test: Touch Screen, Multi-touch & 3D touch • Sound test: Speakers, Headphone, & Microphone • Motion: Gyroscope, Compass & Accelerometer • Connectivity test: Wi-Fi, Bluetooth, & GPS • Sensor: Light Sensor, Proximity Sensor, Fingerprint Sensor, & Face ID • Hardware: Charger, Vibration, Volume Up/Down, Power button • Camera test: LED Flash, Rear Camera, & Front Camera Test the mobile features and get a detailed report along with actual device information. Write to us at digital@vgroupinc.com for any queries. Enjoy this FREE App!
Screenshots
Verdict
The clearest difference is rating: Check My Device at 4.5 against iDiagnosis's 3.4. Check My Device also leads on review sentiment (47% vs 25%) and ratings volume (92 vs 18). iDiagnosis's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence 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
Both are free to download. Check My Device sells 3 in-app purchases, starting at $1.99 per 7 days. iDiagnosis asks for nothing beyond the download.
Check My Device holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Check My Device has 92 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 47% of Check My Device's written reviews are positive against 25% of iDiagnosis's.
Check My Device ships an update every 3 months, iDiagnosis every 5 months. The most recent releases landed on September 24, 2026 and September 4, 2026 respectively.
| Parameter | Check My Device | iDiagnosis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (92 ratings) — better | 3.4 (18 ratings) |
| Positive reviews | 47.2% of reviews — better | 25.0% of reviews |
| Number of ratings | 92 — better | 18 |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Dropouts Technologies LLP | V Group Inc |
Customer experience
Check My Device
iDiagnosis
In-app purchases
Check My Device
- Weekly Subscription$1.997 Days
- Lifetime Discounted Unlock$3.99
- Lifetime Unlock$7.99
iDiagnosis
No in-app purchases
Questions
Is Check My Device free?
Is iDiagnosis free?
Which has better reviews, Check My Device or iDiagnosis?
Do Check My Device or iDiagnosis have ads?
Which is updated more often, Check My Device or iDiagnosis?
Other comparisons















