# iDiagnosis vs TouchScreenCheck

The clearest difference is review sentiment: TouchScreenCheck at 94% against iDiagnosis's 25%. TouchScreenCheck also leads on rating (4.7 vs 3.4). On price, ratings volume, update cadence and ads there is nothing between them.

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

TouchScreenCheck holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 18 and 36 respectively. Written reviews point the same way: 25% of iDiagnosis's written reviews are positive against 94% of TouchScreenCheck's.

iDiagnosis ships an update every 5 months, TouchScreenCheck every 7 months. The most recent releases landed on September 4, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | iDiagnosis | TouchScreenCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (18 ratings)](https://appshunter.io/ios/app/idiagnosis/id1534880599/reviews) | **[4.7 (36 ratings)](https://appshunter.io/ios/app/touchscreencheck/id1542546774/reviews)** |
| Number of ratings | 18 | **36** |
| Positive reviews | 25.0% of reviews | **94.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 13 MB | 1 MB |
| Requires iOS | 15.0 | **14.7** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [V Group Inc](https://appshunter.io/developer/916210832) | [Aidar Khasanov](https://appshunter.io/developer/1542546776) |

## 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


### TouchScreenCheck

[App page](https://appshunter.io/ios/app/touchscreencheck/id1542546774)

This utility app helps you test your device's touchscreen responsiveness and consistency. It visually indicates touch registration with color changes and displays touch counts and coordinates. It's useful for diagnosing screen issues or confirming proper functionality.

**Highlights:** Test touch responsiveness, Check touch consistency, Verify touch reliability, Visual touch feedback, Display touch count, Show last touch coordinates

**In-app purchases:** none


## Frequently asked questions

### Is iDiagnosis free?

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

### Is TouchScreenCheck free?

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

### Which has better reviews, iDiagnosis or TouchScreenCheck?

TouchScreenCheck is rated higher. iDiagnosis averages 3.4 out of 5 from 18 ratings, while TouchScreenCheck averages 4.7 from 36 ratings.

### Do iDiagnosis or TouchScreenCheck have ads?

Neither iDiagnosis nor TouchScreenCheck shows ads.

### Which is updated more often, iDiagnosis or TouchScreenCheck?

iDiagnosis ships an update every 5 months, and TouchScreenCheck every 7 months. Most recently, iDiagnosis was updated on September 4, 2026 and TouchScreenCheck on September 1, 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.*