Comparison

Device System Services vs My Device ID by AppsFlyer

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

My Device ID by AppsFlyer

Easily view and share your device identifiers, including IDFA and IDFV. This tool allows you to quickly whitelist your device as a test device within your AppsFlyer account, crucial for SDK integration testing.

Highlights
  • View Device ID (IDFA, IDFV)
  • Share Device ID
  • Whitelist test device for AppsFlyer
  • Directly add device to AppsFlyer account
  • Facilitates SDK integration testing
Features
Read full description

With My Device ID by AppsFlyer you can easily view and share your Device ID including IDFA and IDFV. You can also add your device as a whitelisted test device to your AppsFlyer account directly from the app. Whitelisting a test device in your AppsFlyer account is an important part of testing your integration with AppsFlyer SDK. For more information about whitelisting a test device: https://support.appsflyer.com/hc/en-us/articles/207031996--Whitelisting-a-Test-Device AppsFlyer is the world's leading mobile attribution & marketing analytics platform, helping app marketers around the world make better decisions. Learn more at www.AppsFlyer.com

Screenshots

Device System Services4 screens
My Device ID by AppsFlyer1 screens

Verdict

The call

The clearest difference is rating: Device System Services at 4.5 against My Device ID by AppsFlyer's 3.8. Device System Services also leads on ratings volume (394 vs 41). My Device ID by AppsFlyer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. My Device ID by AppsFlyer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Device System Services holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 41, so its average is the more settled of the two. Written reviews complicate that: 52% of Device System Services's written reviews are positive against 63% of My Device ID by AppsFlyer's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Device System Services ships an update every 4 months, My Device ID by AppsFlyer every 10 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Device System Services versus My Device ID by AppsFlyer: the parameters behind the verdict, then further details
ParameterDevice System ServicesMy Device ID by AppsFlyer
PriceFreeFree
Rating4.5 (394 ratings) — better3.8 (41 ratings)
Positive reviews52.3% of reviews62.5% of reviews — better
Number of ratings394 — better41
Update frequencyEvery 4 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size9 MB10 MB
Age rating4+4+
DeveloperAlbert PartiAppsFlyer

Customer experience

Device System Services

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

My Device ID by AppsFlyer

All ratings41 ratings
Positive68.3%
Neutral4.9%
Negative26.8%
Written reviews32 reviews
Positive62.5%
Neutral3.1%
Negative34.4%

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

My Device ID by AppsFlyer

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

My Device ID by AppsFlyer

No in-app purchases

Questions

Is Device System Services free?
Device System Services is free to download, with in-app purchases available.
Is My Device ID by AppsFlyer free?
My Device ID by AppsFlyer is free to download, with no in-app purchases.
Which has better reviews, Device System Services or My Device ID by AppsFlyer?
Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while My Device ID by AppsFlyer averages 3.8 from 41 ratings.
Do Device System Services or My Device ID by AppsFlyer have ads?
Device System Services shows ads; My Device ID by AppsFlyer does not.
Which is updated more often, Device System Services or My Device ID by AppsFlyer?
Device System Services ships an update every 4 months, and My Device ID by AppsFlyer every 10 days. Most recently, Device System Services was updated on October 21, 2026 and My Device ID by AppsFlyer on October 24, 2026.

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