Looking for free idiagnosis apps? 18 of our 21+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
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.
This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.
Diagnose over 40 hardware and system issues with this app. Monitor your phone's hardware, battery, memory, and storage. Track network usage and daily charging cycles to keep your device running smoothly.
iDiagnosis tops our idiagnosis apps ranking as of June 2026, with a 3.4-star average from 16 App Store ratings, and it's free to download.
Are there free idiagnosis apps for iPhone?
Yes — 18 of the top idiagnosis apps we rank are free to download, including iDiagnosis and Device Monitor².
Does iDiagnosis have ads or in-app purchases?
iDiagnosis has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
How many idiagnosis apps are on the App Store?
We track 21+ idiagnosis apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
What can iDiagnosis test on an iPhone or iPad?
iDiagnosis can test various components including the screen (touch, multi-touch, 3D touch), sound (speakers, headphone, microphone), motion sensors (gyroscope, compass, accelerometer), connectivity (Wi-Fi, Bluetooth, GPS), other sensors (light, proximity, fingerprint, Face ID), hardware buttons (charger, vibration, volume, power), and cameras (LED flash, rear, front).
Can iDiagnosis help me check if a used phone is stolen?
Yes, iDiagnosis displays feature and configuration details of the device, including the IMEI. This information can help you verify the authenticity of a phone and ensure you are not purchasing a stolen device.