# Phone Diagnostics Expert vs QRTamm

The clearest difference is update cadence: Phone Diagnostics Expert at every 2 weeks against QRTamm's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Phone Diagnostics Expert sells 1 one-off in-app purchase and QRTamm sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Phone Diagnostics Expert ships an update every 2 weeks, QRTamm every 6 weeks. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Phone Diagnostics Expert | QRTamm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 45 MB | 59 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [君 潘](https://appshunter.io/developer/647696765) | [Adnan Ahmad](https://appshunter.io/developer/6786681472) |

## What reviewers say

### Phone Diagnostics Expert

[App page](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053)

This tool offers a comprehensive diagnostic for your device's hardware and functions. It provides both quick, automatic checks and detailed manual tests for individual components, generating complete reports for troubleshooting or verification.

**Highlights:** One-click automatic hardware detection, Manual verification of individual components, Generation of detailed test result reports, Tests for sensors, connectivity, and hardware, Camera, screen, and system function checks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $0.99 | one-time |


### QRTamm

[App page](https://appshunter.io/ios/app/qrtamm-qr-code-maker-plus-scanner/id6786681470)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $9.99 | per year |


## Frequently asked questions

### Is Phone Diagnostics Expert free?

Phone Diagnostics Expert is free to download, with in-app purchases available.

### Is QRTamm free?

QRTamm is free to download, with in-app purchases available.

### Do Phone Diagnostics Expert or QRTamm have ads?

Neither Phone Diagnostics Expert nor QRTamm shows ads.

### Which is updated more often, Phone Diagnostics Expert or QRTamm?

Phone Diagnostics Expert ships an update every 2 weeks, and QRTamm every 6 weeks. Most recently, Phone Diagnostics Expert was updated on October 3, 2026 and QRTamm on September 30, 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.*