# NSYS vs Pixel Control

The clearest difference is review sentiment: Pixel Control at 50% against NSYS's 0%. Pixel Control also leads on rating (3.5 vs 2.7). NSYS's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Pixel Control sells 2 in-app purchases, starting at $2.99 per month. NSYS asks for nothing beyond the download.

Pixel Control holds the better App Store score, 3.5 against 2.7. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 0% of NSYS's written reviews are positive against 50% of Pixel Control's.

NSYS ships an update every 2 months, Pixel Control every 6 weeks. The most recent releases landed on September 12, 2026 and June 21, 2026 respectively.

## The numbers

| Metric | NSYS | Pixel Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (7 ratings)](https://appshunter.io/ios/app/nsys-test/id1448501054/reviews) | **[3.5 (4 ratings)](https://appshunter.io/ios/app/pixel-control/id6469455300/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 108 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [safak helvaci](https://appshunter.io/developer/1686824308) |

## What reviewers say

### NSYS

[App page](https://appshunter.io/ios/app/nsys-test/id1448501054)

This utility app tests your knowledge of device functions. It simulates actions like making calls, connecting to Wi-Fi, and using sensors, cameras, and audio. It's designed to verify your understanding of how these features work.

**Highlights:** Simulates call functionality, Tests Wi-Fi connection, Verifies button interactions, Assesses sensor usage, Checks camera functionality, Evaluates audio recording/listening

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Pixel Control

[App page](https://appshunter.io/ios/app/pixel-control/id6469455300)

This app helps you meticulously detect and locate dead or stuck pixels on your screen. It offers in-depth, real-time pixel examinations for flawless screen clarity. Designed for ease of use, it guides you through the testing process without requiring technical knowledge.

**Highlights:** Dead pixel detection, Stuck pixel identification, Multi-color defect analysis, Real-time monitoring, User-friendly interface, Comprehensive pixel examinations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pixel Control Ad-Free | $2.99 | per month |
| Pixel Control Ad-Free | $24.99 | per year |


## Frequently asked questions

### Is NSYS free?

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

### Is Pixel Control free?

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

### Which has better reviews, NSYS or Pixel Control?

Pixel Control is rated higher. NSYS averages 2.7 out of 5 from 7 ratings, while Pixel Control averages 3.5 from 4 ratings.

### Do NSYS or Pixel Control have ads?

Pixel Control shows ads; NSYS does not.

### Which is updated more often, NSYS or Pixel Control?

NSYS ships an update every 2 months, and Pixel Control every 6 weeks. Most recently, NSYS was updated on September 12, 2026 and Pixel Control on June 21, 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.*