Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.






213+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our phone diagnostics list covers 213+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.8★ (86) | No | Yes | Jul 2026 | |
| 2 | Free | 4.4★ (328) | Yes | No | Aug 2026 | |
| 3 | Free | 3.9★ (32K) | Yes | No | Aug 2026 | |
| 4 | Free | 4.7★ (9.2K) | No | Yes | Aug 2026 | |
| 5 | Free was $0.99 | 4.8★ (15) | No | No | Jul 2026 | |
| 6 | Free | 4.6★ (2.4K) | Yes | No | Aug 2026 | |
| 7 | Free | 4.6★ (858) | No | Yes | Aug 2026 | |
| 8 | Free was $5.99 | — | No | No | May 2026 |






Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.



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.





Access personalized solutions for all your Apple products and services in one convenient app. Troubleshoot issues with guided steps, chat with support, manage subscriptions, reset passwords, and find nearby service locations for Genius Bar appointments.


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.


This tool offers a comprehensive diagnostic for your device's hardware and functions. It provides both quick, automatic checks and detailed manual tests for individual components, generating complete reports for troubleshooting or verification.


Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.


Instantly test your phone's hardware, from the camera to sensors, to ensure it's functioning optimally. Get detailed system reports and monitor key resources like battery and RAM in real-time. Ideal for diagnosing issues or verifying device health.




This app performs comprehensive hardware diagnostics on iPhones, checking everything from cameras and microphones to sensors and connectivity. It generates a shareable PDF report and provides an AI-powered resale price estimate. It also offers system status and helpful iPhone tips.




Gain deep insights into your device's hardware and performance. Monitor CPU, RAM, battery, and sensors, and run diagnostic tests. Generate and export detailed system reports to optimize your device's health and functionality.


This utility app allows you to thoroughly test various components of your mobile device. It offers both automated and interactive tests to ensure everything is functioning correctly. Results can be emailed or shared directly with compatible service centers.


Access detailed information about your device's software, memory, battery, and technical specifications. It also offers display diagnostics and a feature to block phishing sites for enhanced online safety and data protection.


Verify the functionality of your iPhone or iPad with comprehensive hardware tests. Check screen, sensors, multimedia, and connectivity to ensure optimal performance. Also provides detailed device specifications and system status monitoring.


Test your device's hardware and screen functionality. Get detailed device information and generate a shareable PDF report of your tests.


This app offers a comprehensive suite of tools to manage and optimize your device. It includes features for cleaning storage, monitoring network activity, enhancing photos, blocking ads, and securing sensitive data. Keep your phone or tablet running smoothly and efficiently.


This application provides a standardized checklist for manually inspecting used mobile devices. It helps identify basic functionality and offers available device information to assist testers.


Evaluate the core functions of a pre-owned mobile device with a guided checklist. Access device information and receive prompts for manual checks. This tool helps users assess basic device functionality through step-by-step instructions.


This utility app allows you to thoroughly test your device's hardware and sensors. It checks functions like touch screen, camera, microphone, and GPS, providing a comprehensive overview of your phone's performance. Identify any potential issues with your device's components.


Identify unknown callers by entering their phone number to reveal registration details, service provider, and the city of registration. Get information for numbers from over 274 countries.