Comparison

Device System Services vs Phone Checker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Device System Services

Monitor your device's hardware, network, memory, and storage with detailed insights and performance tracking. Includes diagnostic tools for network analysis and storage management. Offers widgets for real-time system information.

Highlights
  • Hardware specifications
  • Network status and diagnostics
  • Memory usage monitoring
  • Ping, LAN Scan, Port Scan tools
  • Storage management
  • System information widgets
Features
Read full description

Device System Service – System Information & Performance Monitoring Device System Service is a professional iOS application that provides detailed insights into your device’s hardware, network, memory, and storage. The app helps you monitor system performance, optimize resource usage, and ensure smooth operation. Key Features Hardware Information • Detailed specifications of your device’s model, processor, and GPU • Battery level and status monitoring • Biometric authentication support (Face ID, Touch ID) • Display size, brightness, and other screen-related details Network Status • IP address, Wi-Fi, and mobile network information • Internet connection check and speed data • Ping hosts or IP addresses to verify connectivity and response time • Local network insights and diagnostics Memory Usage • Detailed breakdown of memory usage (used, active, inactive, free memory) • Real-time memory monitoring with interactive charts • Performance tracking and optimization suggestions Tools The new Tools tab provides powerful built-in diagnostic utilities for advanced network analysis. • Ping Verify connectivity to any host or IP address and check network responsiveness in real time. Ideal for troubleshooting reachability and latency issues. • LAN Scan Discover active devices connected to your local network. Quickly identify IP addresses and detect available hosts within your subnet. • Port Scan Scan open TCP ports on a target device to analyze running services and network exposure. Useful for diagnostics, testing, and infrastructure validation. Storage Management • Total storage and available space display • Breakdown of space occupied by files and apps • Visual representation of disk usage with modern UI elements Settings & Privacy • Remove Ads – One-time purchase for a completely ad-free experience • Manage Consent – GDPR/CCPA compliance options • Ad Personalization – Customize ad preferences based on privacy policies Modern & User-Friendly Experience • Dark Mode support for a comfortable viewing experience • Interactive visual elements, graphs, and bars for easy interpretation • Optimized for both iPhone and iPad System Service Widgets – Overview The System Service app is designed for iOS system monitoring and now features three useful widgets that display key system information in real-time. Available Widgets: Device Information Widget Displayed Data: • Device name • Battery level • iOS version • Local (LAN) and external (WAN) IP addresses Usage: This widget provides a quick overview of your device, making it especially useful for developers, network administrators, and power users. Disk Usage Widget Displayed Data: • Disk usage percentage (circular progress bar) • Used storage amount (GB) • Total storage capacity (GB) Usage: This widget allows you to instantly check how much storage is available on your device. It’s particularly useful when managing large files or installing new applications. Memory Usage Widget Displayed Data: • Memory usage percentage (circular progress bar) • Used memory amount (GB) • Total memory capacity (GB) Usage: A great tool for monitoring background app memory usage, helping optimize device performance. How to Add the Widget? 1. Long-press the home screen. 2. Tap the ”+” icon in the top-left corner. 3. Scroll down to the System Service widgets. 4. Select your preferred widget size. 5. Tap “Add Widget.” Why Use It? • Provides quick system data access • Helps optimize storage and memory usage • Easily accessible—no need to open an extra app Download and try it now!

About

Phone Checker

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.

Highlights
  • Device information display
  • Hardware function testing
  • Sensor diagnostics
  • Touch screen tests
  • Camera and microphone checks
  • Connectivity testing (Wi-Fi, Bluetooth)
  • Warranty and activation status
Features
Read full description

Phone Checker is an application that allows users to view device information, check whether the device's functions and sensors are working. List of Test: - Brightness - Color - Touch Screen - Multi - Touch - Pinch - 3D Touch - Accelerometer - Shake - Compass - Biometric - Proximity - GPS - Flashlight - Vibrate - Battery - Sound - Microphone - Camera - Wifi - Bluetooth - Hotspot - Phone Call - Warranty - Activation

Screenshots

Device System Services4 screens
Phone Checker3 screens

Verdict

The call

The clearest difference is in-app purchases: Phone Checker at none against Device System Services's 1. Phone Checker also leads on update cadence (every 6 weeks vs every 4 months). Device System Services's advantage is rating (4.5 vs 4.0) and ratings volume (392 vs 7). On price, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Device System Services sells 1 one-off in-app purchase. Phone Checker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Device System Services holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Device System Services has 392 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 52% of Device System Services's written reviews are positive against 50% of Phone Checker's.

UpkeepUpdate frequency

Device System Services ships an update every 4 months, Phone Checker every 6 weeks. The most recent releases landed on November 1, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Device System Services versus Phone Checker: the parameters behind the verdict, then further details
ParameterDevice System ServicesPhone Checker
PriceFreeFree
Rating4.5 (392 ratings) — better4.0 (7 ratings)
Positive reviews52.3% of reviews — better50.0% of reviews
Number of ratings392 — better7
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size9 MB26 MB
Age rating4+4+
DeveloperAlbert PartiHoang Minh Thanh

Customer experience

Device System Services

All ratings394 ratings
Positive86.3%
Neutral5.3%
Negative8.4%
Written reviews65 reviews
Positive52.3%
Neutral1.5%
Negative46.2%

Phone Checker

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

Device System Services

Reported bugs

9 issues
  • App crashes on startup/launch
  • Crashes when network module acquires external IP
  • Requires airplane mode or disabled connectivity to function
  • Incorrect device specifications (resolution, model variants)
  • Static pie charts instead of dynamic system statistics
Show 4 more
  • App force-closes when switching between tabs
  • Unresponsive UI elements during ad display
  • App disappears or stops functioning after device updates
  • Suspicious clipboard activity on launch

Requested features

6 requests
  • Option to delete accidentally copied items
  • System reset functionality to restore original settings
  • Camera information display
  • External USB disk space usage tracking
  • Memory cleaning/optimization features
Show 1 more
  • Dark mode support

Phone Checker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Device System Services

One-time1
  • Remove ads System Service$1.99
None

Phone Checker

No in-app purchases

Questions

Is Device System Services free?
Device System Services is free to download, with in-app purchases available.
Is Phone Checker free?
Phone Checker is free to download, with no in-app purchases.
Which has better reviews, Device System Services or Phone Checker?
Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 392 ratings, while Phone Checker averages 4.0 from 7 ratings.
Do Device System Services or Phone Checker have ads?
Both Device System Services and Phone Checker show ads.
Which is updated more often, Device System Services or Phone Checker?
Device System Services ships an update every 4 months, and Phone Checker every 6 weeks. Most recently, Device System Services was updated on November 1, 2026 and Phone Checker on October 4, 2026.

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