iDiagnosis vs Halocrest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDiagnosis
Diagnose hardware components and sensors on your iPhone or iPad. Get detailed reports on tests, including device configuration and IMEI, to verify phone authenticity and functionality. Ideal for checking second-hand devices or ensuring your current phone works correctly.
- Diagnose mobile components and sensors
- Detailed test reports
- Display feature and configuration details
- Check device IMEI
- Test screen, sound, motion, connectivity, sensors, hardware, and camera
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iDiagnosis app allows you to diagnose mobile components, hardware & sensors of your iPhone/iPad and gives a detailed report of each test. It also displays feature and configuration details of the devices including IMEI that helps ensure that you’re not buying a stolen phone. iDiagnosis helps in testing your phone and ensures that every feature of your phone works. This is a very simple and easy to use application. So, if you are planning to buy a second-hand phone or want to check if your existing mobile works properly, then this is the right app for you. List of features that can be tested on iPhone/iPad: • Screen test: Touch Screen, Multi-touch & 3D touch • Sound test: Speakers, Headphone, & Microphone • Motion: Gyroscope, Compass & Accelerometer • Connectivity test: Wi-Fi, Bluetooth, & GPS • Sensor: Light Sensor, Proximity Sensor, Fingerprint Sensor, & Face ID • Hardware: Charger, Vibration, Volume Up/Down, Power button • Camera test: LED Flash, Rear Camera, & Front Camera Test the mobile features and get a detailed report along with actual device information. Write to us at digital@vgroupinc.com for any queries. Enjoy this FREE App!
Halocrest
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Halocrest helps you understand the invisible digital environment around your iPhone. Start an intentional Room Sweep to summarize active nearby Bluetooth broadcasts. Review Network Nudge for connection, familiarity, and local network context. Adjust Local Shield to choose how sensitively Halocrest interprets environmental changes. When available, the Apple Watch companion provides compact visual summaries and discreet haptic cues while your iPhone remains the primary analysis surface. Halocrest is designed around local processing and does not require a Halocrest account. Signal Index reflects observable activity—not a threat level. Bluetooth strength is approximate and cannot establish exact distance, direction, identity, purpose, or intent. Radio-silent devices cannot be observed. Local Shield is not a VPN, firewall, antivirus product, or traffic filter. Halocrest Lifetime is a one-time in-app purchase with no subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: iDiagnosis at none against Halocrest's 1. iDiagnosis also leads on iOS requirement (15.0 vs 17.0). 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. Halocrest sells 1 one-off in-app purchase. iDiagnosis asks for nothing beyond the download.
| Parameter | iDiagnosis | Halocrest |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (18 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | V Group Inc | Joel Amparo |
In-app purchases
iDiagnosis
No in-app purchases
Halocrest
- Halocrest Lifetime$39.99









