# NSYS vs Color Sight (色彩視界)

The clearest difference is update cadence: NSYS at every 2 months against Color Sight (色彩視界)'s every 10 months. NSYS also leads on device support (4 vs 1) and iOS requirement (12.0 vs 18.2). On price, 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.

NSYS ships an update every 2 months, Color Sight (色彩視界) every 10 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NSYS | Color Sight (色彩視界) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (7 ratings)](https://appshunter.io/ios/app/nsys-test/id1448501054/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | — |
| Size | 29 MB | 18 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [Chi-Yu Yeh](https://appshunter.io/developer/1472941052) |

## 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


### Color Sight (色彩視界)

[App page](https://appshunter.io/ios/app/color-sight/id6742734863)

**In-app purchases:** none


## Frequently asked questions

### Is NSYS free?

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

### Is Color Sight (色彩視界) free?

Color Sight (色彩視界) is free to download, with no in-app purchases.

### Do NSYS or Color Sight (色彩視界) have ads?

Neither NSYS nor Color Sight (色彩視界) shows ads.

### Which is updated more often, NSYS or Color Sight (色彩視界)?

NSYS ships an update every 2 months, and Color Sight (色彩視界) every 10 months. Most recently, NSYS was updated on October 1, 2026 and Color Sight (色彩視界) on October 2, 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.*