Device Tester Pro vs SYSMonitor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Device Tester Pro
Monitor your device's core system components. Track memory, disk, CPU, network, and battery usage. Gain insights into your system's performance and health.
- Check RAM usage
- Monitor disk usage
- Track CPU usage
- View network activity
- Analyze battery status
- System information overview
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Device Tester Pro: A simple tool for hardware testing with lightweight diagnostic checks for key components. Key Features: • Hardware Test: → Test Camera, Bluetooth, Audio, Microphone, Keyboard Input, Sensors, and other hardware components. • System Info Tools: → View quick device details including RAM, CPU, storage, network, and battery status. • Utilities: → QR Code Generator: Create QR codes instantly from text or data. → Random Selection Tool: Make quick random choices or selections. → Clipboard Cleaner: Clear clipboard content with one tap. → Torch: Quickly turn on/off the flashlight and adjust brightness levels.
SYSMonitor
Monitor your device's performance with real-time insights into CPU, memory, and storage usage. Track network speed, view detailed device information, and access key metrics directly from your Today widget. Understand your device's health and optimize its performance.
- CPU usage monitoring
- Memory (RAM) status
- Storage (ROM) visualization
- Real-time network speed
- Network details (IP, SSID, Ping)
- Basic device information
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*** NEW ***More than just Widget monitoring your iPhone and iPad!!! *** Still thinking about why the phone is so hot,IS the CPU utilization too high? Why the data traffic consumed so quickly? Background processes too much? How much is left of my Storage? The app monitors CPU, MEMORY(RAM), Storage(ROM), Real-time network speed and the other device information. And it can be placed in 'Today' as a widget. Click the widget to get more functions and detailed information about your device. Including: √ Monitor solid color model √, Network # WiFi, DNS, SSID, internal and public network IP address, real-time network speed, Ping test and many other functions. √. Storage(ROM) # Visualization of disk space status and usage. √. CPU # One or more CPU usage updated in real time √. Memory (RAM) # Easy understanding of device memory status. # Visualization of Used, Active, Inactive, Free. √. Basic Info: #Device Name ,Device Model, IOS version, Screen resolution, Memory, Storage, Battery , OpenGL etc.
Screenshots
Verdict
The clearest difference is price: SYSMonitor at Free against Device Tester Pro's $1.99. SYSMonitor also leads on iOS requirement (13.0 vs 16.0). Device Tester Pro's advantage is rating (4.1 vs 3.6) and in-app purchases (none vs 1). On device support 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
SYSMonitor is free to download; Device Tester Pro costs $1.99 up front. SYSMonitor sells 1 one-off in-app purchase. Device Tester Pro asks for nothing beyond the download.
Device Tester Pro holds the better App Store score, 4.1 against 3.6. That said, the two scores are not equally well evidenced: Device Tester Pro has 467 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 64% of Device Tester Pro's written reviews are positive against 40% of SYSMonitor's.
Device Tester Pro ships an update fortnightly, SYSMonitor every 5 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.
| Parameter | Device Tester Pro | SYSMonitor |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.1 (467 ratings) — better | 3.6 (38 ratings) |
| Positive reviews | 64.2% of reviews — better | 39.9% of reviews |
| Number of ratings | 467 — better | 38 |
| Update frequency | Fortnightly — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhut | 泽辉 王 |
Customer experience
Device Tester Pro
SYSMonitor
Bugs and requests
Device Tester Pro
Reported bugs
3 issues- Scan function doesn't complete
- Processes list always shows zero
- Crashes on iPhone 15 Pro Max
Requested features
3 requests- Automatic memory cleaning
- Detailed process information
- Compatibility with newer iOS versions
SYSMonitor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Device Tester Pro
No in-app purchases
SYSMonitor
- Permanently Remove ads$1.99
Questions
Is Device Tester Pro free?
Is SYSMonitor free?
Which has better reviews, Device Tester Pro or SYSMonitor?
Do Device Tester Pro or SYSMonitor have ads?
Which is updated more often, Device Tester Pro or SYSMonitor?
Other comparisons
