# 海水驿站 vs Dipper水族系统

The clearest difference is in-app purchases: Dipper水族系统 at none against 海水驿站's 4. Dipper水族系统 also leads on ads (none vs shown) and iOS requirement (13.0 vs 17). 海水驿站's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 海水驿站 sells 4 in-app purchases, starting at $28.99 per 6 months. Dipper水族系统 asks for nothing beyond the download.

海水驿站 ships an update weekly, Dipper水族系统 every 2 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 海水驿站 | Dipper水族系统 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id922497742/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 52.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 36 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [兆辉 马](https://appshunter.io/developer/667445063) | [丽辉 王](https://appshunter.io/developer/1629156920) |

## What reviewers say

### 海水驿站

[App page](https://appshunter.io/ios/app/id922497742)

This app helps saltwater aquarium enthusiasts manage their tanks with smart water quality tracking, expert guides, and a community forum. It offers detailed creature databases and task management to simplify aquarium care.

**Highlights:** Smart water quality management, Expert aquarium setup guides, Original saltwater feeding strategies, Saltwater creature database, Community forum for enthusiasts, Task management for aquariums

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年会员 | $28.99 | per 6 months |
| 1 year premium member | $29.99 | per year |
| 1 month premium member | $29.99 | per month |
| 打赏站长一杯咖啡 | $4.99 | one-time |


### Dipper水族系统

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

**In-app purchases:** none


## Frequently asked questions

### Is 海水驿站 free?

海水驿站 is free to download, with in-app purchases available.

### Is Dipper水族系统 free?

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

### Do 海水驿站 or Dipper水族系统 have ads?

海水驿站 shows ads; Dipper水族系统 does not.

### Which is updated more often, 海水驿站 or Dipper水族系统?

海水驿站 ships an update weekly, and Dipper水族系统 every 2 months. Most recently, 海水驿站 was updated on October 18, 2026 and Dipper水族系统 on October 24, 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.*