Comparison

Memory & Disk Scanner vs Device System Services

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

Head to head
About

Memory & Disk Scanner

Monitor your device's real-time RAM and disk usage. Track CPU, network, and other system information. Offers a pro version for an ad-free experience and full features.

Highlights
  • Real-time RAM usage monitoring
  • Real-time disk usage monitoring
  • CPU usage monitoring
  • Network information monitoring
  • Full features in Pro version
Features
Read full description

√ Monitor & Check Real-time RAM Usage (inactive, active, wired, free). √ Monitor & Check Real-time Disk Usage (used space & free space). √ Monitor & Check Realtime other information: CPU Usage, Network information,... --------------------- [Feedback] --------------------- √ If you have any issue or need further information, please do not hesitate to send your feedback to us. √ How to Feedback: Tap "Settings" button (top-left on main screen) -> Tap "About" button (top-left on "Setting" screen, "i" icon) -> scroll to "Feedback" section -> write and send your feedback. --------------------- [Lite Version] --------------------- √ Some Advertisements. √ Lock Feature. --------------------- [Pro Version] --------------------- √ Only $0.99 - In-app Purchase. √ No Advertisement. √ Full features.

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!

Screenshots

Memory & Disk Scanner4 screens
Device System Services4 screens

Verdict

The call

The clearest difference is rating: Device System Services at 4.5 against Memory & Disk Scanner's 3.5. Device System Services also leads on review sentiment (52% vs 42%). Memory & Disk Scanner's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price, ratings volume, in-app purchases and monetization model 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. Memory & Disk Scanner sells 1 one-off in-app purchase and Device System Services sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Device System Services holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 309 and 394 respectively. Written reviews point the same way: 42% of Memory & Disk Scanner's written reviews are positive against 52% of Device System Services's.

UpkeepUpdate frequency

Memory & Disk Scanner ships an update every 2 days, Device System Services every 4 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
Memory & Disk Scanner versus Device System Services: the parameters behind the verdict, then further details
ParameterMemory & Disk ScannerDevice System Services
PriceFreeFree
Rating3.5 (309 ratings)4.5 (394 ratings) — better
Positive reviews41.6% of reviews51.6% of reviews — better
Number of ratings309394 — better
Update frequencyEvery 2 days — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better16.6
Further details — not scored
Size10 MB9 MB
Age rating4+4+
DeveloperPhan NhutAlbert Parti

Customer experience

Memory & Disk Scanner

All ratings309 ratings
Positive61.8%
Neutral10.7%
Negative27.5%
Written reviews267 reviews
Positive41.6%
Neutral6.4%
Negative52.1%

Device System Services

All ratings394 ratings
Positive86.3%
Neutral5.3%
Negative8.4%
Written reviews64 reviews
Positive51.6%
Neutral1.6%
Negative46.9%

User reviews

Memory & Disk Scanner

From 309 App Store ratings

What we love

  • 🚀 Fast and efficient
  • 👍 Cleans up memory and disk space
  • 💡 Helpful for older devices
  • ⭐ Effective at improving performance

Room to improve

  • 🐛 Crashes and bugs
  • 🔒 Unreliable restore functionality
  • 💰 Requires paid upgrade for full functionality
  • 🤔 Inaccurate device information

Device System Services

From 394 App Store ratings

What we love

  • 👍 Clean and easy-to-use interface
  • 🚀 Fast and responsive performance
  • 📊 Comprehensive system information display
  • 🌐 Useful network information details
  • ⏱️ Shows device uptime information

Room to improve

  • 📺 Excessive full-screen video advertisements
  • 🔊 Intrusive ads with sound that startle users
  • ⚠️ Misleading security/storage warning popups
  • 🎮 Irrelevant ads (e.g., game ads on iOS)
  • 💰 Ads present even in paid version

Bugs and requests

Memory & Disk Scanner

Reported bugs

3 issues
  • Crashes during scanning
  • Fails to detect and clean junk files
  • Incompatible with newer iPhone models

Requested features

4 requests
  • Automatic memory and disk cleaning
  • Detailed usage analytics
  • Support for latest iOS versions
  • Restore previous paid purchases

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

In-app purchases

1 purchases

Memory & Disk Scanner

One-time1
  • Pro Verison$1.99
1 purchases

Device System Services

One-time1
  • Remove ads System Service$1.99

Questions

Is Memory & Disk Scanner free?
Memory & Disk Scanner is free to download, with in-app purchases available.
Is Device System Services free?
Device System Services is free to download, with in-app purchases available.
Which has better reviews, Memory & Disk Scanner or Device System Services?
Device System Services is rated higher. Memory & Disk Scanner averages 3.5 out of 5 from 309 ratings, while Device System Services averages 4.5 from 394 ratings.
Do Memory & Disk Scanner or Device System Services have ads?
Device System Services shows ads; Memory & Disk Scanner does not.
Which is updated more often, Memory & Disk Scanner or Device System Services?
Memory & Disk Scanner ships an update every 2 days, and Device System Services every 4 months. Most recently, Memory & Disk Scanner was updated on October 13, 2026 and Device System Services on October 11, 2026.

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