# Noo vs 水族系统V2

The clearest difference is review sentiment: Noo at 50% against 水族系统V2's 0%. Noo also leads on rating (3.0 vs 1.3). 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.

Noo holds the better App Store score, 3.0 against 1.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 50% of Noo's written reviews are positive against 0% of 水族系统V2's.

Noo ships an update every 2 weeks, 水族系统V2 every 8 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Noo | 水族系统V2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/noo-psyche/id1632354698/reviews)** | [1.3 (4 ratings)](https://appshunter.io/ios/app/v2/id6642693010/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 8 MB | 58 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) | [大伦 王](https://appshunter.io/developer/1452981396) |

## 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


### 水族系统V2

[App page](https://appshunter.io/ios/app/v2/id6642693010)

Manage your aquarium equipment, including lights, filters, and pumps, with this system designed for devices produced after 2022. It offers control over various essential aquarium components.

**Highlights:** Aquarium light control, Filter management, Water pump operation, Air pump control, Device compatibility (post-2022)

**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 水族系统V2 free?

水族系统V2 is free to download, with no in-app purchases.

### Which has better reviews, Noo or 水族系统V2?

Noo is rated higher. Noo averages 3.0 out of 5 from 2 ratings, while 水族系统V2 averages 1.3 from 4 ratings.

### Do Noo or 水族系统V2 have ads?

Neither Noo nor 水族系统V2 shows ads.

### Which is updated more often, Noo or 水族系统V2?

Noo ships an update every 2 weeks, and 水族系统V2 every 8 days. Most recently, Noo was updated on November 3, 2026 and 水族系统V2 on November 4, 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.*