Comparison

Diskspace 3 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

Diskspace 3

Monitor your iPhone and iPod Touch storage with detailed insights into total, available, and used space. Receive timely notifications when storage drops below a set threshold and customize the app's appearance.

Highlights
  • Total, available, and used storage display
  • Today Widget for quick access
  • Storage threshold notifications
  • Customizable app icons
  • iPhone and iPod Touch compatibility
Features
Read full description

Diskspace provides information about the total, currently available and used storage on your iPhone and iPod Touch. Pro Features: • Today Widget: This handy Widget displays the available storage on your device right on your today-screen. • Notifications: Receive a notification if the available storage on your device drops below your specified threshold. • Custom App Icon: Choose among a variety of custom app icons.

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

Diskspace 34 screens
Device System Services4 screens

Verdict

The call

The clearest difference is ads: Diskspace 3 at none against Device System Services's shown. Diskspace 3 also leads on review sentiment (82% vs 52%) and update cadence (every 5 weeks 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. Diskspace 3 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

Diskspace 3 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 949 and 394 respectively. Written reviews point the same way: 82% of Diskspace 3's written reviews are positive against 52% of Device System Services's.

UpkeepUpdate frequency

Diskspace 3 ships an update every 5 weeks, Device System Services every 4 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
Diskspace 3 versus Device System Services: the parameters behind the verdict, then further details
ParameterDiskspace 3Device System Services
PriceFreeFree
Rating4.7 (949 ratings) — better4.5 (394 ratings)
Positive reviews82.3% of reviews — better51.6% of reviews
Number of ratings949 — better394
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.6
Further details — not scored
Size2 MB9 MB
Age rating4+4+
DeveloperDominic RodemerAlbert Parti

Customer experience

Diskspace 3

All ratings949 ratings
Positive93.5%
Neutral3.4%
Negative3.2%
Written reviews936 reviews
Positive82.3%
Neutral7.4%
Negative10.4%

Device System Services

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

User reviews

Diskspace 3

From 949 App Store ratings

What we love

  • 👍 Helpful for checking storage space
  • 🚀 Simple and easy to use
  • 💡 Convenient alternative to checking settings
  • 🔍 Accurate storage information

Room to improve

  • 🐛 Incorrect storage readings
  • 🔍 Lacks detailed breakdown of storage usage
  • 🚫 Paid version doesn't offer much additional value

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

Diskspace 3

Reported bugs

2 issues
  • Incompatibility with newer iOS versions
  • Widget not working as expected

Requested features

3 requests
  • Breakdown of storage usage by file type (apps, photos, music, etc.)
  • Ability to manage storage from within the app
  • Customization options for the display

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

Diskspace 3

One-time1
  • Diskspace Pro$0.99
1 purchases

Device System Services

One-time1
  • Remove ads System Service$1.99

Questions

Is Diskspace 3 free?
Diskspace 3 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, Diskspace 3 or Device System Services?
Diskspace 3 is rated higher. Diskspace 3 averages 4.7 out of 5 from 949 ratings, while Device System Services averages 4.5 from 394 ratings.
Do Diskspace 3 or Device System Services have ads?
Device System Services shows ads; Diskspace 3 does not.
Which is updated more often, Diskspace 3 or Device System Services?
Diskspace 3 ships an update every 5 weeks, and Device System Services every 4 months. Most recently, Diskspace 3 was updated on October 15, 2026 and Device System Services on October 11, 2026.

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