Comparison

Device System Services vs PhotoCalc

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

PhotoCalc

Effortlessly extract numbers from screenshots and photos to perform calculations. Ideal for tasks like verifying bank statements, splitting bills, or managing trip expenses quickly and accurately.

Highlights
  • Extract numbers from images
  • Perform calculations on extracted numbers
  • Verify bank statements
  • Split bills
  • Calculate trip expenses
Features
Read full description

Quickly select numbers from screenshots or images to sum them up. To verify your bank statement, quickly split a bill, or the costs of a trip. With PhotoCalc that’s done in seconds.

Screenshots

Device System Services4 screens
PhotoCalc2 screens

Verdict

The call

The clearest difference is rating: Device System Services at 4.5 against PhotoCalc's 3.0. Device System Services also leads on ratings volume (394 vs 12). PhotoCalc's advantage is ads (none vs shown). On price, review sentiment, 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. Device System Services sells 1 one-off in-app purchase and PhotoCalc 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 3.0. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 12, 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 46% of PhotoCalc's.

Scorecard3 real differences · 7 level
Device System Services versus PhotoCalc: the parameters behind the verdict, then further details
ParameterDevice System ServicesPhotoCalc
PriceFreeFree
Rating4.5 (394 ratings) — better3.0 (12 ratings)
Positive reviews52.3% of reviews — better46.2% of reviews
Number of ratings394 — better12
Update frequencyEvery 4 months—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size9 MB13 MB
Age rating4+4+
DeveloperAlbert Partiriedel.wtf apps S.L.

Customer experience

Device System Services

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

PhotoCalc

All ratings12 ratings
Positive41.7%
Neutral8.3%
Negative50.0%
Written reviews13 reviews
Positive46.2%
Neutral7.7%
Negative46.2%

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

PhotoCalc

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
1 purchases

PhotoCalc

One-time1
  • PhotoCalc Pro$2.99

Questions

Is Device System Services free?
Device System Services is free to download, with in-app purchases available.
Is PhotoCalc free?
PhotoCalc is free to download, with in-app purchases available.
Which has better reviews, Device System Services or PhotoCalc?
Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while PhotoCalc averages 3.0 from 12 ratings.
Do Device System Services or PhotoCalc have ads?
Device System Services shows ads; PhotoCalc does not.

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