Device Tester vs WordNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Device Tester
This utility app offers hardware diagnostics for components like the camera, Bluetooth, and audio. It also provides system information, including RAM and storage, and includes helpful tools like a QR code generator and storage cleaner.
- Hardware component testing
- System information display
- QR code generator
- Storage cleaner
- Clipboard cleaner
- Flashlight torch
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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!
WordNotes
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Whether you're learning your first foreign language or mastering your fifth, WordNotes is the perfect companion for building your vocabulary and organizing your language journey — all in one clean, intuitive app. With just a few taps, you can create custom language lists, add new vocabulary, and explore your learning progress through insightful charts and categories. WordNotes empowers you to take control of your learning with structure, flexibility, and a touch of fun.
Screenshots
Verdict
The clearest difference is in-app purchases: WordNotes at none against Device Tester's 1. Device Tester's advantage is update cadence (weekly vs every 2 months) and iOS requirement (16.0 vs 18.5). On price, ads 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. Device Tester sells 1 one-off in-app purchase. WordNotes asks for nothing beyond the download.
Device Tester ships an update weekly, WordNotes every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Device Tester | WordNotes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (264 ratings) — better | — |
| Positive reviews | 54.1% of reviews | — |
| Number of ratings | 264 — better | — |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhut | Pasquale Piserchia |
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
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- 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
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- Real-time feedback on device performance
- Comparison tool for different phone models
- Better integration with system settings
WordNotes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Device Tester
- Pro Version$1.99
WordNotes
No in-app purchases
