Comparison

Device System Services vs Blue Sniff

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

Blue Sniff

This application functions as a straightforward Bluetooth scanner, allowing users to detect nearby Bluetooth devices. It offers a simple interface for identifying available connections.

Highlights
  • Bluetooth device detection
  • Simple interface
  • Easy to use
Features
Read full description

Simple and easy to use bluetooth detector.

Screenshots

Device System Services4 screens
Blue Sniff4 screens

Verdict

The call

The clearest difference is update cadence: Device System Services at every 4 months against Blue Sniff's every 30 months. Blue Sniff's advantage is iOS requirement (9.0 vs 16.6). On price, rating, review sentiment and ratings volume 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 and Blue Sniff 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

On the App Store both sit at effectively the same score — 4.5 for Device System Services against 4.4 for Blue Sniff. Both are backed by a comparable volume of ratings — 394 and 389 respectively. Written reviews are what separate them: 52% of Device System Services's written reviews are positive against 57% of Blue Sniff's.

UpkeepUpdate frequency

Device System Services ships an update every 4 months, Blue Sniff every 30 months. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Device System Services versus Blue Sniff: the parameters behind the verdict, then further details
ParameterDevice System ServicesBlue Sniff
PriceFreeFree
Rating4.5 (394 ratings) — better4.4 (389 ratings)
Positive reviews52.3% of reviews57.1% of reviews — better
Number of ratings394 — better389
Update frequencyEvery 4 months — betterEvery 30 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.69.0 — better
Further details — not scored
Size9 MB26 MB
Age rating4+4+
DeveloperAlbert PartiKevin Horvath

Customer experience

Device System Services

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

Blue Sniff

All ratings389 ratings
Positive83.8%
Neutral8.2%
Negative8.0%
Written reviews56 reviews
Positive57.1%
Neutral8.9%
Negative33.9%

User reviews

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

Blue Sniff

From 389 App Store ratings

What we love

  • 👍 Simple to use
  • 🚀 Quick info returns
  • 👍 Great app
  • 👍 Honest app
  • 👍 Works well

Room to improve

  • 🐛 Too many ads
  • 🐛 Ads after purchase
  • 🐛 Data not understandable
  • 🐛 Detects many false positives
  • 🐛 Not working right

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

Blue Sniff

Reported bugs

17 issues
  • Ads continue after purchase
  • Settings not working
  • App not working
  • Detects nothing
  • No display
Show 12 more
  • Does not detect vaccinated
  • Buggy
  • Application null and useless
  • Big crap
  • Does not detect BLE devices
  • Does not scan for AirTags
  • No user manual
  • Detects barely my iPad
  • Data not understandable
  • Detects many false positives
  • Not working right
  • Useless app

Requested features

4 requests
  • Add distance in addition to signal strength
  • Add markers or rename unnamed networks
  • Hex dump attributes for better understanding
  • Implement more features

In-app purchases

1 purchases

Device System Services

One-time1
  • Remove ads System Service$1.99
1 purchases

Blue Sniff

One-time1
  • Buy Me Coffee!$2.99

Questions

Is Device System Services free?
Device System Services is free to download, with in-app purchases available.
Is Blue Sniff free?
Blue Sniff is free to download, with in-app purchases available.
Which has better reviews, Device System Services or Blue Sniff?
Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while Blue Sniff averages 4.4 from 389 ratings.
Do Device System Services or Blue Sniff have ads?
Both Device System Services and Blue Sniff show ads.
Which is updated more often, Device System Services or Blue Sniff?
Device System Services ships an update every 4 months, and Blue Sniff every 30 months. Most recently, Device System Services was updated on October 17, 2026 and Blue Sniff on October 14, 2026.

Other comparisons