Test & Check for iPhone vs Update DIY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Comprehensive hardware testing
- Screen functionality checks
- Sensor verification
- Multimedia component tests
- Connectivity status
- Device information and system monitoring
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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
Update DIY
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A Bluetooth control app that upgrades devices through Bluetooth. The main functions of the app include switching languages, searching for connected devices, and upgrading devices
Screenshots
Verdict
The clearest difference is in-app purchases: Update DIY at none against Test & Check for iPhone's 1. Update DIY also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). Test & Check for iPhone's advantage is iOS requirement (9.0 vs 12.0). On price and 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
Both are free to download. Test & Check for iPhone sells 1 one-off in-app purchase. Update DIY asks for nothing beyond the download.
Test & Check for iPhone ships an update every 3 months, Update DIY monthly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | Test & Check for iPhone | Update DIY |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (36 ratings) — better | — |
| Positive reviews | 74.5% of reviews | — |
| Number of ratings | 36 — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Prasomsak Khunmuen | 海洋 刘 |
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 moreShow fewer
- Add more detailed help files
- Improve screen and button testing
- Add a reset button for tests
- More specific/thorough tests for certain areas
Update DIY
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Test & Check for iPhone
- Remove Ads$0.99
Update DIY
No in-app purchases
Questions
Is Test & Check for iPhone free?
Is Update DIY free?
Do Test & Check for iPhone or Update DIY have ads?
Which is updated more often, Test & Check for iPhone or Update DIY?
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