Comparison

Device Tester vs CPU Detector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Device Tester

Check Memory & Test Hardware

Free

🔧 Utilities

★ 4.0245 ratingsView app →

CPU Detector

Display Hardware information

Free

🔧 Utilities

★ 4.6427 ratingsView app →

About

Device Tester

Monitor your device's real-time system information, including RAM, disk, and CPU usage. Track network activity, battery status, and other system details to understand your device's performance.

Highlights

Real-time RAM usage
Disk usage monitoring
CPU usage tracking
Network activity
Battery status
System information

Features

Read full description

Device Tester: 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 → Random Selection Tool → Storage Cleaner → Clipboard Cleaner → Flashlight Torch • Thank you for choosing our app!

About

CPU Detector

Access detailed hardware information on your iPhone or iPad without jailbreaking. Monitor CPU usage, memory, battery health, sensor data, and network details in real-time. Ideal for tech enthusiasts and developers seeking in-depth device insights.

Highlights

Real-time CPU usage and frequency
Memory usage monitoring
Battery health and voltage check
Device model and storage details
Operating system and screen information
Network information and speed

Features

Read full description

Unlock your iPhone/iPad’s secrets! Monitor CPU model, memory usage, battery health, and sensor data in real-time. No jailbreak needed. Perfect for tech geeks & developers! CPU Detector is a tool for querying CPU real-time master frequency CPU Detector has four major functions: 1. CPU: query CPU real-time information, CPU usage and RAM memory related information; 2. device: display the specific type and name of your device, display your device storage space related information, display operating system version information and screen information; 3. battery: check the current battery state and voltage; 4. network: displays your device's current network information, queries real-time network speed, and can also show cumulative usage traffic.

Screenshots

Device Tester4 screens

CPU Detector4 screens

Verdict

The call

The clearest difference is rating: CPU Detector at 4.6 against Device Tester's 4.0. CPU Detector also leads on review sentiment (76% vs 54%) and iOS requirement (11.0 vs 16.0). Device Tester's advantage is ads (none vs shown) and update cadence (weekly vs every 2 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. Device Tester sells 1 one-off in-app purchase and CPU Detector 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

CPU Detector holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 245 and 427 respectively. Written reviews point the same way: 54% of Device Tester's written reviews are positive against 76% of CPU Detector's.

UpkeepUpdate frequency

Device Tester ships an update weekly, CPU Detector every 2 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level

Device Tester versus CPU Detector: the parameters behind the verdict, then further details
Parameter	Device Tester	CPU Detector
Price	Free	Free
Rating	4.0 (245 ratings)	4.6 (427 ratings) — better
Positive reviews	54.4% of reviews	76.0% of reviews — better
Number of ratings	245	427 — better
Update frequency	Weekly — better	Every 2 months
Ads	No — better	Yes
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	Free with in-app purchases
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.0	11.0 — better
Further details — not scored
Size	8 MB	97 MB
Age rating	4+	4+
Developer	Phan Nhut	楠夏

Customer experience

Device Tester

All ratings245 ratings

Positive74.7%

Neutral7.3%

Negative18.0%

Written reviews182 reviews

Positive54.4%

Neutral7.7%

Negative37.9%

CPU Detector

All ratings426 ratings

Positive89.7%

Neutral2.3%

Negative8.0%

Written reviews75 reviews

Positive76.0%

Neutral4.0%

Negative20.0%

User reviews

Device Tester

From 245 App Store ratings

What we love

👍 User-friendly and intuitive design
🚀 Effective RAM memory cleaning and freeing
💰 Affordable one-time pro version purchase
📊 Detailed device analysis and performance monitoring
⏱️ Quick and simple to use

Room to improve

🐛 Frequent app crashes on newer iOS versions
📢 Excessive and intrusive advertisements
❌ Limited functionality in free version
😞 Degraded performance after updates
🔄 Inconsistent results and reliability issues

CPU Detector

From 427 App Store ratings

What we love

👍 Excellent application and services
👍 Accurate and easy to understand
👍 Nice and clean apps
👍 Good work developers
👍 Shows phone stats

Room to improve

🐛 Takes too much time to load
🐛 Not working on iPad
🐛 App doesn't open
🐛 Ads bug usability
🐛 Incompatible with some iPads

Bugs and requests

Device Tester

Reported bugs

8 issues

App crashes during memory scan on newer iOS versions
Crashes on iPhone 16 and iPhone 17 Pro models
App fails to open or closes immediately
Memory cleaning returns 0.0MB results
Incompatibility with iOS 14 and later versions

Show 3 more

Pro version disappears after app updates
Push notification spam
Excessive pop-ups preventing app access

Requested features

8 requests

Landscape view support for device rotation
Deeper cleaning of junk files and cache
More transparent proof of app actions and results
Ability to keep pro version after updates
Instruction guide on optimal app usage

Show 3 more

Real-time feedback on device performance
Comparison tool for different phone models
Better integration with system settings

CPU Detector

Reported bugs

12 issues

Takes too much time to load
Not working on iPad pro
App not opening, stuck on start
Not working on iPad mini 6, only stuck on splash screen
iPad mini six無法使用

Show 7 more

Garbage, advertisements bugging usability
Sem suporte para o iPad Pro M1
Didownload gak ada isinya
فاشل جدًا قليل التفاصيل
Does not fully support some recent iPads
Interface rendering issues
Only shows CPU load percentages

Requested features

2 requests

Change language
More actionable information

In-app purchases

1 purchases

Device Tester

One-time1

Pro Version$1.99

1 purchases

CPU Detector

One-time1

Permanently Remove Ads$0.99

Questions

Is Device Tester free?

Device Tester is free to download, with in-app purchases available.

Is CPU Detector free?

CPU Detector is free to download, with in-app purchases available.

Which has better reviews, Device Tester or CPU Detector?

CPU Detector is rated higher. Device Tester averages 4.0 out of 5 from 245 ratings, while CPU Detector averages 4.6 from 427 ratings.

Do Device Tester or CPU Detector have ads?

CPU Detector shows ads; Device Tester does not.

Which is updated more often, Device Tester or CPU Detector?

Device Tester ships an update weekly, and CPU Detector every 2 months. Most recently, Device Tester was updated on October 17, 2026 and CPU Detector on October 16, 2026.