# DeviceTestApp vs iDiagnostic

The clearest difference is iOS requirement: DeviceTestApp at 15.0 against iDiagnostic's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DeviceTestApp ships an update every 11 days, iDiagnostic weekly. The most recent releases landed on September 17, 2026 and June 25, 2026 respectively.

## The numbers

| Metric | DeviceTestApp | iDiagnostic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idiagnostic/id6764337271/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | — | Free |
| Size | 2 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GALAXY TELECOM](https://appshunter.io/developer/905658140) | [Giang Do](https://appshunter.io/developer/1434395412) |

## What reviewers say

### DeviceTestApp

[App page](https://appshunter.io/ios/app/devicetestapp/id6758030896)

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

**In-app purchases:** none


### iDiagnostic

[App page](https://appshunter.io/ios/app/idiagnostic/id6764337271)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeviceTestApp free?

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

### Is iDiagnostic free?

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

### Do DeviceTestApp or iDiagnostic have ads?

Neither DeviceTestApp nor iDiagnostic shows ads.

### Which is updated more often, DeviceTestApp or iDiagnostic?

DeviceTestApp ships an update every 11 days, and iDiagnostic weekly. Most recently, DeviceTestApp was updated on September 17, 2026 and iDiagnostic on June 25, 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.*