Image Saliency vs iDiagnostic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Image Saliency
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Detect quantify and visualize the key part of an image or where in the image people are likely to look. ※Image saliency(Objectness Based)
iDiagnostic
This tool helps you quickly check the functionality of your iPhone or iPad's hardware components. It tests the display, touch screen, cameras, speakers, and microphone, ensuring everything is working as expected. Designed for privacy, all tests are performed on-device with no data collection.
- Display color and dead pixel test
- Configurable touch screen grid test
- Camera detection and individual testing
- Speaker and earpiece audio output test
- Microphone recording and playback test
- On-device processing, no data collection
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iDiagnostic is a fast, easy-to-use hardware diagnostic tool for iPhone and iPad. In just a few taps, verify that every key hardware component on your device is working correctly: DISPLAY - RGB color test cycles through Red, Green, and Blue full-screen patterns to spot dead pixels and color shifts. TOUCH SCREEN - Configurable grid (4x3 to 20x12) covers the entire screen so you can confirm every region responds correctly. - Real-time progress counter — tap to fill cells, get instant pass/fail when complete. CAMERAS - Detects every physical camera on your device — wide, ultra-wide, telephoto, TrueDepth, LiDAR. - Test each one individually with live preview and capture. LOUD SPEAKER - Plays a recognizable melody (Twinkle Twinkle Little Star) through the bottom speaker so you can verify audio output and quality. INTERNAL SPEAKER (EARPIECE) - Same melody routed through the top earpiece — hold the phone to your ear to confirm. MICROPHONE - Record your voice with a live audio level meter, then play it back to verify recording and playback both work. PRIVACY FIRST iDiagnostic runs entirely on your device. No data is ever collected, transmitted, stored, or shared. The app makes zero network requests. Your camera, microphone, and test results stay 100% on-device. LANGUAGES Available in English and Vietnamese — automatically follows your device's system language setting. Perfect for: - Anyone buying a used iPhone — verify hardware before paying - Phone repair shops checking refurbished devices - Developers testing app permissions and AVFoundation behavior - Tech enthusiasts curious about which cameras their phone has No ads. No tracking. No accounts. Just a clean diagnostic tool that does one thing well.
Screenshots
Verdict
The clearest difference is ads: iDiagnostic at none against Image Saliency's shown. iDiagnostic also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
Image Saliency ships an update fortnightly, iDiagnostic weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | Image Saliency | iDiagnostic |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.7.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | Giang Do |
In-app purchases
Image Saliency
No in-app purchases
iDiagnostic
No in-app purchases
Questions
Is Image Saliency free?
Is iDiagnostic free?
Do Image Saliency or iDiagnostic have ads?
Which is updated more often, Image Saliency or iDiagnostic?
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