# iDiagnosis vs MZ Assistant

The clearest difference is price: iDiagnosis at Free against MZ Assistant's $1.99. MZ Assistant's advantage is update cadence (every 10 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

iDiagnosis is free to download; MZ Assistant costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iDiagnosis ships an update every 5 months, MZ Assistant every 10 days. The most recent releases landed on November 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | iDiagnosis | MZ Assistant |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.4 (18 ratings)](https://appshunter.io/ios/app/idiagnosis/id1534880599/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 13 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [V Group Inc](https://appshunter.io/developer/916210832) | [Ivan Svicarevic](https://appshunter.io/developer/1689517785) |

## What reviewers say

### iDiagnosis

[App page](https://appshunter.io/ios/app/idiagnosis/id1534880599)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MZ Assistant

[App page](https://appshunter.io/ios/app/mz-assistant/id6449512242)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iDiagnosis free?

iDiagnosis is free to download, with no in-app purchases.

### Is MZ Assistant free?

MZ Assistant costs $1.99, with no in-app purchases.

### Do iDiagnosis or MZ Assistant have ads?

Neither iDiagnosis nor MZ Assistant shows ads.

### Which is updated more often, iDiagnosis or MZ Assistant?

iDiagnosis ships an update every 5 months, and MZ Assistant every 10 days. Most recently, iDiagnosis was updated on November 3, 2026 and MZ Assistant on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*