# 海水驿站 vs Kassray

The clearest difference is review sentiment: 海水驿站 at 52% against Kassray's 0%. 海水驿站 also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 2 months). Kassray's advantage is in-app purchases (none vs 4) and ads (none vs shown). 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. Kassray asks for nothing beyond the download.

海水驿站 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 52% of 海水驿站's written reviews are positive against 0% of Kassray's.

海水驿站 ships an update weekly, Kassray every 2 months. The most recent releases landed on November 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 海水驿站 | Kassray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id922497742/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kassray/id6503038161/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **52.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 97 MB | 29 MB |
| Requires iOS | 17 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [兆辉 马](https://appshunter.io/developer/667445063) | [宇成 邓](https://appshunter.io/developer/1747837700) |

## 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 |


### 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 海水驿站 free?

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

### Is Kassray free?

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

### Which has better reviews, 海水驿站 or Kassray?

海水驿站 is rated higher. 海水驿站 averages 5.0 out of 5 from 3 ratings, while Kassray averages 1.0 from 1 ratings.

### Do 海水驿站 or Kassray have ads?

海水驿站 shows ads; Kassray does not.

### Which is updated more often, 海水驿站 or Kassray?

海水驿站 ships an update weekly, and Kassray every 2 months. Most recently, 海水驿站 was updated on November 1, 2026 and Kassray on October 13, 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.*