# Noo vs Kassray

The clearest difference is review sentiment: Noo at 50% against Kassray's 0%. Noo also leads on rating (3.0 vs 1.0) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, 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.

Noo holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of Noo's written reviews are positive against 0% of Kassray's.

Noo ships an update every 2 weeks, Kassray every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Noo | Kassray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/noo-psyche/id1632354698/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kassray/id6503038161/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 8 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [重良 刘](https://appshunter.io/developer/1625440778) | [宇成 邓](https://appshunter.io/developer/1747837700) |

## What reviewers say

### Noo

[App page](https://appshunter.io/ios/app/noo-psyche/id1632354698)

Control lighting effects for K7pro and K7mini devices through a mobile app. Quickly adjust various lighting settings to customize your experience.

**Highlights:** Control lighting effects, Adjust light settings, Compatible with K7pro, Compatible with K7mini, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Kassray

[App page](https://appshunter.io/ios/app/kassray/id6503038161)

This application allows users to control aquarium lighting. It provides functionality for managing light settings and schedules for aquatic environments.

**Highlights:** Aquarium lighting control, Light setting management, Schedule management, Aquatic environment lighting

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

**In-app purchases:** none


## Frequently asked questions

### Is Noo free?

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

### Is Kassray free?

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

### Which has better reviews, Noo or Kassray?

Noo is rated higher. Noo averages 3.0 out of 5 from 2 ratings, while Kassray averages 1.0 from 1 ratings.

### Do Noo or Kassray have ads?

Neither Noo nor Kassray shows ads.

### Which is updated more often, Noo or Kassray?

Noo ships an update every 2 weeks, and Kassray every 2 months. Most recently, Noo was updated on November 3, 2026 and Kassray on October 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.*