Comparison

Test & Check for iPhone vs Phone Diagnostics

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

Head to head

Test & Check for iPhone

Device system status info tool

Free

🔧 Utilities

★ 3.942 ratingsView app →

Phone Diagnostics

Test & Find Repair Shop

Free

🔧 Utilities

★ 3.886 ratingsView app →

About

Test & Check for iPhone

Verify the functionality of your iPhone or iPad with comprehensive hardware tests. Check screen, sensors, multimedia, and connectivity to ensure optimal performance. Also provides detailed device specifications and system status monitoring.

Highlights

Comprehensive hardware testing
Screen functionality checks
Sensor verification
Multimedia component tests
Connectivity status
Device information and system monitoring

Read full description

A must-have buying checklist when purchasing an iPhone or iPad! Easily test and verify key functions of your iOS device to ensure everything is working properly. This app helps you perform a comprehensive hardware test on your iPhone or iPad. Additionally, you can check detailed device specifications and monitor system status, including disk usage, CPU usage, memory (RAM) usage, and battery level. Features: Screen - Brightness test - Color test - Touch screen test - Multi-touch test - Pinch test - 3D Touch test Sensors - Accelerometer test - Shake test - Compass test - Proximity test - Touch ID/Face ID test Parts - GPS test - Vibrate test - Flashlight test Multimedia - Speaker test - Microphone test - Camera test - Video test Connectivity - Wi-Fi test - Phone call test Other - Device information check - Other important checklist

About

Phone Diagnostics

Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.

Highlights

Test device functionalities
Check hardware before buying
Verify repairs
Find local repair shops
Improve QC processes
Facilitate trade-in

Features

Read full description

Phone diagnostics helps the end user to easily test and check the functionalities of mobile devices before buying, sending to repair shop, or after repair. It helps to find the repair shop near you. This app can also be used by QC in repair shop or refurbish factory. Most of the refurbish/repair factory is using manual QC process. The QC staff tends to skip/miss the test items and some items need several steps to perform one test case. With this app you can improve the quality and productivity of QC process significantly. Contact us for factory version where all steps running automatically, ads are removed and the result is uploaded to factory shop floor control system. You will have real time data for analysis and improve the production. It helps to facilitate the trade-in, enable the another life for the mobile device.

Screenshots

Test & Check for iPhone4 screens

Phone Diagnostics4 screens

Verdict

The call

The clearest difference is ads: Phone Diagnostics at none against Test & Check for iPhone's shown. Phone Diagnostics also leads on update cadence (every 2 weeks vs every 3 months). Test & Check for iPhone's advantage is review sentiment (75% vs 63%) and iOS requirement (9.0 vs 12). On price, rating, ratings volume and in-app purchases 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. Test & Check for iPhone sells 1 one-off in-app purchase and Phone Diagnostics 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 — 3.9 for Test & Check for iPhone against 3.8 for Phone Diagnostics. Both are backed by a comparable volume of ratings — 42 and 86 respectively. Written reviews are what separate them: 75% of Test & Check for iPhone's written reviews are positive against 63% of Phone Diagnostics's.

UpkeepUpdate frequency

Test & Check for iPhone ships an update every 3 months, Phone Diagnostics every 2 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level

Test & Check for iPhone versus Phone Diagnostics: the parameters behind the verdict, then further details
Parameter	Test & Check for iPhone	Phone Diagnostics
Price	Free	Free
Rating	3.9 (42 ratings) — better	3.8 (86 ratings)
Positive reviews	74.5% of reviews — better	63.4% of reviews
Number of ratings	42	86 — better
Update frequency	Every 3 months	Every 2 weeks — better
Ads	Yes	No — better
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	12
Further details — not scored
Size	5 MB	35 MB
Age rating	4+	4+
Developer	Prasomsak Khunmuen	HITEK_NOVA

Customer experience

Test & Check for iPhone

All ratings36 ratings

Positive69.4%

Neutral5.6%

Negative25.0%

Written reviews51 reviews

Positive74.5%

Neutral5.9%

Negative19.6%

Phone Diagnostics

All ratings86 ratings

Positive69.8%

Neutral1.2%

Negative29.1%

Written reviews82 reviews

Positive63.4%

Neutral2.4%

Negative34.1%

User reviews

Test & Check for iPhone

From 42 App Store ratings

What we love

👍 Simple and easy to use
✅ Ideal for pre-sale/purchase checks
📱 Helps test iPhone functionality
💡 Provides comprehensive test coverage
✨ Nice user interface

Room to improve

🤔 Manual testing, not automated
🤷‍♂️ Some users find it pointless/a rip-off
💸 Waste of money for some
❌ Does not test battery
📉 Limited functionality and insight

Phone Diagnostics

From 86 App Store ratings

What we love

👍 Great for testing used phones
👍 Easy to use
👍 Free to use
👍 Helps identify hardware issues
👍 Useful for business/trade-ins

Room to improve

🐛 Glitchy and buggy
🐛 Ads are intrusive
🐛 Some tests are inaccurate
🐛 Does not test all features
🐛 Can be laggy

Bugs and requests

Test & Check for iPhone

Reported bugs

3 issues

App caused Wifi issues on iPhone 4s
Pinch test didn't work on iPhone 6s
Pinch and shake tests did not work for some users

Requested features

9 requests

Add automated diagnostic tests
Include CPU and RAM testing
Add battery test
Add Touch ID test
Add 3D Touch test

Show 4 more

Add more detailed help files
Improve screen and button testing
Add a reset button for tests
More specific/thorough tests for certain areas

Phone Diagnostics

Reported bugs

33 issues

Camera/microphone activity noticed after download
Charged $149.99 at Apple Store during testing
NFC check missing
Repair suggested for skipped NFC test
Memory tests missing

Show 28 more

3D touch test inaccurate
Multi-touch test only checks for 2 fingers
Barometer test function not working on iPhones
Sound test marks iPhone 15 as faulty (when it's not)
App dials 900 (Sberbank) during testing
App froze iPhone
Volume up during microphone test woke up house
Glitchy on iPad Pro, fails multi-touch test
Ads block testing area
Test page won't stay up
Speaker test plays sound through earpiece on second run
900 number test for phone calling function not working
Tests for features not present (e.g., headphone port on iPhone 8+)
Developer website is useless, no feature request or bug reporting
No user support
Video ad played suddenly and loudly
Cancelling a test results in a failure
Latest update is buggy, fires off automated test sequence randomly
Headset button ad covers it
3D Touch only registers to 83%
Takes away identification data without knowledge
Ad at the bottom covers headset button
Multi-tap failed even though it worked
Flash didn't work after screen repair, app fixed it
Dead pixels on screen identified
Zoomed camera lens issue not identified
App immediately bumps volume and plays music on first launch
Test results are sometimes incorrect

Requested features

10 requests

Add NFC/antenna tester
Add memory tests
Add eSIM check
Improve 3D Touch test accuracy
Improve multi-touch test (more than 2 fingers)

Show 5 more

Add support for blind users (VoiceOver)
Add option to remove ads via in-app purchase
Detect phone model to modify test suite
Test Bluetooth headphone features on newer iPhones
Provide more detailed battery information (life expectancy, condition)

In-app purchases

1 purchases

Test & Check for iPhone

One-time1

Remove Ads$0.99

1 purchases

Phone Diagnostics

One-time1

Phone Diagnostics Pro$4.99

Questions

Is Test & Check for iPhone free?

Test & Check for iPhone is free to download, with in-app purchases available.

Is Phone Diagnostics free?

Phone Diagnostics is free to download, with in-app purchases available.

Which has better reviews, Test & Check for iPhone or Phone Diagnostics?

Test & Check for iPhone is rated higher. Test & Check for iPhone averages 3.9 out of 5 from 42 ratings, while Phone Diagnostics averages 3.8 from 86 ratings.

Do Test & Check for iPhone or Phone Diagnostics have ads?

Test & Check for iPhone shows ads; Phone Diagnostics does not.

Which is updated more often, Test & Check for iPhone or Phone Diagnostics?

Test & Check for iPhone ships an update every 3 months, and Phone Diagnostics every 2 weeks. Most recently, Test & Check for iPhone was updated on October 24, 2026 and Phone Diagnostics on October 24, 2026.