# 海水驿站 vs Utrao

The clearest difference is review sentiment: 海水驿站 at 52% against Utrao's 0%. 海水驿站 also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 2 months). Utrao's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price 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. Utrao 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 Utrao's.

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

## The numbers

| Metric | 海水驿站 | Utrao |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id922497742/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/utrao/id6451104145/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 | 15 MB |
| Requires iOS | 17 | **13** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [兆辉 马](https://appshunter.io/developer/667445063) | [Shanghai Utrao Bio-Engineering Co., Ltd.](https://appshunter.io/developer/1696567482) |

## 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 |


### Utrao

[App page](https://appshunter.io/ios/app/utrao/id6451104145)

This app allows users to control Internet of Things equipment for biological breeding. It aims to simplify the process of managing creature breeding with advanced technology.

**Highlights:** Control IoT equipment, Biological breeding technology, Manage creature breeding, Simplify breeding processes

**Features:** macOS Compatibility

**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 Utrao free?

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

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

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

### Do 海水驿站 or Utrao have ads?

海水驿站 shows ads; Utrao does not.

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

海水驿站 ships an update weekly, and Utrao every 2 months. Most recently, 海水驿站 was updated on October 18, 2026 and Utrao 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.*