# ReefSky vs Dipper水族系统

The clearest difference is update cadence: ReefSky at every 5 days against Dipper水族系统's every 2 months. ReefSky also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ReefSky ships an update every 5 days, Dipper水族系统 every 2 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ReefSky | Dipper水族系统 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | — |
| Size | 9 MB | 36 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [勇强 夏](https://appshunter.io/developer/1043457850) | [丽辉 王](https://appshunter.io/developer/1629156920) |

## What reviewers say

### ReefSky

[App page](https://appshunter.io/ios/app/reefsky/id1178881200)

This app controls aquarium LED lights via Bluetooth 4.0. It allows for custom, office, or home lighting modes with color transitions. The app also supports firmware updates.

**Highlights:** Bluetooth 4.0 control, 4-way LED lighting, Customizable lighting modes, Color transition effects, OAD firmware upgrades

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

**In-app purchases:** none


### Dipper水族系统

[App page](https://appshunter.io/ios/app/dipper/id6670388006)

**In-app purchases:** none


## Frequently asked questions

### Is ReefSky free?

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

### Is Dipper水族系统 free?

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

### Do ReefSky or Dipper水族系统 have ads?

Neither ReefSky nor Dipper水族系统 shows ads.

### Which is updated more often, ReefSky or Dipper水族系统?

ReefSky ships an update every 5 days, and Dipper水族系统 every 2 months. Most recently, ReefSky was updated on October 18, 2026 and Dipper水族系统 on October 17, 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.*