Best Device Check Apps

238+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our device check list covers 238+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Device Check

Device Tester: Check & Monitor#2

Device Tester: Check & Monitor by Musa Tenekeci

Check Your Device
Strong Contender
🛠️ Developer Tools
4.7(585 ratings)
FreeIn-App Purchases
Device Tester: Check & Monitor screenshot 1
Device Tester: Check & Monitor screenshot 2

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.

Device Monitor²#3

Device Monitor² by Marco Ricca

System activity info
Worth Considering
🛠️ Developer Tools
4.7😊(9.1K ratings)
FreeIn-App Purchases
#27in 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

More Device Check apps to explore

4
Phone Doctor Plus
Phone Doctor Plus
Phone Doctor Plus
by iDea Mobile Tech Inc.
Free

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
🔧 Utilities
(325)
ad-supported
5
Check My Device : 40+ Tests
Check My Device : 40+ Tests
Check My Device : 40+ Tests
Test Sensor & Parts Easily
Free

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 testsMultimedia component testsSensor diagnostics
🔧 Utilities
(44)
free with in-app purchases
6
Device info: Mobile Phone Info
Device info: Mobile Phone Info
Device info: Mobile Phone Info
by ZENRO, K.K.
Free

Explore your iOS device's inner workings with detailed insights into its hardware and software. Monitor network speed, CPU usage, storage, battery health, and more through a user-friendly interface.

General device specificationsNetwork speed and IP monitoringCPU usage and performance details
📊 Productivity
(1)
free
7
NetDevice Check
NetDevice Check
NetDevice Check
Hardware Device check app.
Free
🔧 Utilities
(0)
8
Test & Check for iPhone
Test & Check for iPhone
Test & Check for iPhone
Device system status info tool
Free

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
🔧 Utilities
(36)
free with in-app purchases
9
Phone Checker - Test My Device
Phone Checker - Test My Device
Phone Checker - Test My Device
Check Your Device
Free

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.

Device information displayHardware function testingSensor diagnostics
🔧 Utilities
(7)
ad-supported
10
Optus Device Check
Optus Device Check
Optus Device Check
Assess your device
Free

Assess your current device's condition to determine eligibility and cost for an Optus upgrade. This app guides you through a quick assessment with simple questions and diagnostic tests.

Device condition assessmentUpgrade eligibility checkCost determination
💼 Business
(1)
free
11
PhoneCheck2
PhoneCheck2
PhoneCheck2
Mobile Device Testing
Free

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.

Standardized inspection checklistBasic functionality identificationAvailable device information
🔧 Utilities
(50)
free
12
Device IMEI Status Checker
Device IMEI Status Checker
Device IMEI Status Checker
Device IMEI Status Checker
Free

Verify the status of any iPhone before purchasing. Check carrier, SIMlock, iCloud, and Find My iPhone status using the device's IMEI or serial number. Ensure your device is legitimate and not blacklisted.

Carrier and SIMlock status checkFind My iPhone status verificationApple Serial Number information
🔧 Utilities
(487)
free with in-app purchases
13
DeviceCheck Key Pair
DeviceCheck Key Pair
DeviceCheck Key Pair
by CDAC Noida
Free
🔧 Utilities
(0)
14
Usage - Device Monitor
Usage - Device Monitor
Usage - Device Monitor
Storage, network, battery
Free

Monitor your device's system activity and performance with detailed tracking of storage, memory, network, and battery usage. Customize graphs and widgets for instant insights, with cloud sync available. Upgrade to Pro for advanced features and comprehensive data.

Disk usage trackingRAM status monitoringNetwork activity monitoring
🔧 Utilities
(235)
free with in-app purchases
15
Phone Diagnostics
Phone Diagnostics
Phone Diagnostics
Test & Find Repair Shop
Free

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.

Test device functionalitiesCheck hardware before buyingVerify repairs
🔧 Utilities
(85)
free with in-app purchases
16
SIM Card Status Checker
SIM Card Status Checker
SIM Card Status Checker
Check Devices IMEI Status
Free

This app provides detailed information about Apple iPhones, including IMEI status, carrier, SIM lock, iCloud status, and blacklist checks. It's useful for verifying a device's legitimacy before purchase or for understanding your current device's specifications.

iPhone Carrier and SIMlock CheckeriCloud Status CheckerFind My iPhone Status
🔧 Utilities
(881)
free with in-app purchases
17
Jamf Device Checker
Jamf Device Checker
Jamf Device Checker
Device Health & Readiness
Free
💼 Business
(0)
18
Device Monitor Z: CPU x RAM OS
Device Monitor Z: CPU x RAM OS
Device Monitor Z: CPU x RAM OS
HW Device Info & System Status
Free

This app provides in-depth system information and performance monitoring for your device. Track CPU, RAM, storage, network traffic, and access various diagnostic tools. It also includes features like a network analyzer, screen tester, and sensor monitor.

Real-time CPU and RAM monitoringDetailed storage informationNetwork traffic analysis
🛠️ Developer Tools
(234)
free with in-app purchases
19
Smart Device Detector & Signal
Smart Device Detector & Signal
Smart Device Detector & Signal
Fast WiFi & Bluetooth Scanner
Free

Analyze your surroundings with tools that focus on connected devices, local signals, and network information. Understand Wi-Fi and Bluetooth activity, check magnetic fields, and measure network speed in a clear interface.

Wi-Fi device overviewBluetooth signal strengthMagnetic field meter
🌟 Lifestyle
(105)
freemium
20
CPU-x Dasher z Battery life
CPU-x Dasher z Battery life
CPU-x Dasher z Battery life
Real cpu frequency & speedtest
Free

This app provides detailed information about your phone's hardware and system. It offers real-time CPU frequency, network details, memory usage, and device specifications. Discover more about your mobile device's capabilities and performance.

Real-time CPU frequency calculationSystem hardware informationOperating system details
📊 Productivity
(22K)
free with in-app purchases

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