Best Iphone Diagnostics Apps

175+ iOS apps curated and reviewed

4.4 avg rating

20 free apps

Updated June 2026

With an average user rating of 4.4★, the iphone diagnostics category is one of the App Store's strongest. Browse all 175+ apps we track, sorted so the most loved ones surface first.

Top Picks for Iphone Diagnostics

#1

Apple Support by Apple Inc.

We’re here to help

Editor's Choice

🔧 Utilities

3.9😐(31K ratings)

FreeAds

Apple Support screenshot 1

Apple Support screenshot 2

Apple Support screenshot 3

Apple Support screenshot 4

Apple Support screenshot 5

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.

What We Love

👍 Helpful and friendly support staff
🚀 Quick response and resolution of issues
💡 Useful troubleshooting features
🔒 Secure and trustworthy service

Room to Improve

🐛 Buggy and unreliable app performance
🤖 Lack of knowledgeable support staff
⏱️ Long wait times and repeated transfers

#2

Device Monitor² by Marco Ricca

System activity info

Strong Contender

🛠️ Developer Tools

4.7😊(9K ratings)

FreeIn-App Purchases

#29in Developer Tools

Device Monitor² screenshot 1

Device Monitor² screenshot 2

Device Monitor² screenshot 3

Device Monitor² screenshot 4

Device Monitor² screenshot 5

Device Monitor² screenshot 6

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.

What We Love

🚀 Effective RAM cleaning
🔍 Detailed device information
🔧 Useful toolkit features
💰 Fair one-time pricing

Room to Improve

🐛 RAM cleaning issues after updates
🔌 High background battery usage
🕰️ Slow RAM cleaning process

#3

Phone Diagnostics by HITEK NOVA JOINT STOCK COMPANY

Test & Find Repair Shop

Worth Considering

🔧 Utilities

3.7(85 ratings)

FreeIn-App Purchases

Phone Diagnostics screenshot 1

Phone Diagnostics screenshot 2

Phone Diagnostics screenshot 3

Phone Diagnostics screenshot 4

Phone Diagnostics screenshot 5

Phone Diagnostics screenshot 6

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.

More Iphone Diagnostics apps to explore

Phone Doctor Plus

Phone Doctor Plus

by iDea Mobile Tech Inc.

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.

40+ hardware diagnostic testsSystem monitoring (hardware, battery, memory, storage)Daily battery capacity and charging cycle recording

Check Hardware & Fix Pixels

System Status: hw monitor

System Status: hw monitor

CPU,battery,disk usage info

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.

Graphical battery level displayDisk usage monitoringReal-time CPU usage

Better than PhoneCheck

Diagnose hardware and system issues on your iPhone with comprehensive tests. Offers both quick and in-depth diagnostic modes to pinpoint problems.

Hardware diagnosticsSystem diagnosticsExpress test mode

M360 Diagnostics

M360 Diagnostics

by ATLAS SOFT Ltd.

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.

Component testingAutomated testsInteractive tests

by Apple Distribution International

This app consolidates all your calling needs, including standard phone calls, FaceTime audio, and video calls. It offers advanced features like voicemail transcription, call recording, and intelligent call screening to manage your communications efficiently.

Unified calls (phone, FaceTime audio/video)Voicemail transcription and summariesLive call recording

Test & Check for iPhone

Test & Check for iPhone

Device system status info tool

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.

Comprehensive hardware testingScreen functionality checksSensor verification

free with in-app purchases

Deviapp - Device Diagnostics

Deviapp - Device Diagnostics

Diagnostics and Safety

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.

Device information (software, memory, battery)Technical and physical characteristicsDisplay diagnostics

📊 Productivity

free with in-app purchases

Mobile Doctor - Cleaner Master

Mobile Doctor - Cleaner Master

Phone Manager, Device Monitor

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.

Smart Cleaner MasterDevice Screen DetectionNetwork Monitor & Scanner

free with in-app purchases

Cleanup: Phone Storage Cleaner

Cleanup: Phone Storage Cleaner

Photo Clean, Delete Duplicates

This app helps you free up iPhone storage by removing duplicate photos, videos, and junk emails. It also offers tools to compress videos, organize contacts, and hide personal content in a secure vault. Enjoy customizable charging animations and home screen widgets for quick access to cleanup features.

Delete duplicate photos and videosCompress videosClean up junk emails

Device Monitor & Diagnostics

Device Monitor & Diagnostics

CPU, System, Battery,Temp Info

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.

Detailed hardware informationSystem report generationDiagnostic tests

📊 Productivity

free with in-app purchases

BitRaser Mobile Diagnostics2

BitRaser Mobile Diagnostics2

Mobile Diagnostics

Device Monitor & Diagnostics +

Device Monitor & Diagnostics +

Phone settings app for iPhone

Device Tester: Check & Monitor

Device Tester: Check & Monitor

Check Your Device

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.

Full hardware scan (camera, mic, etc.)Detailed system performance reportsOne-tap testing

🛠️ Developer Tools

free with in-app purchases

Access in-depth hardware and software diagnostics for your iOS device. Get detailed information on your CPU, screen, battery, network, and sensors. Monitor memory, storage, and screen performance with this comprehensive utility.

CPU detailsScreen specificationsBattery status

free with in-app purchases

Cleaner Kit - Clean Up Storage

Cleaner Kit - Clean Up Storage

Free up Space, Delete Photos

This app helps declutter your iPhone by identifying and removing duplicate photos, videos, and other junk files. It uses AI to scan your device, allowing you to quickly free up storage space and organize your content with an intuitive swipe interface.

AI-powered duplicate detectionSwipe-based photo sortingEmail and contact decluttering

free with in-app purchases

Hacker Protection,VPN Security

Hacker Protection,VPN Security

Prosec Mobile, Privacy Scan

This app offers comprehensive security and privacy features to protect your identity, data, and devices from cyber threats. It combines multiple security tools into one solution, including VPN, ID scanning, WiFi protection, and a secure photo vault.

Phone Protection ScoreSecure WiFi ScanContinuous ID Scan