# SeaTorch vs Dipper水族系统

The clearest difference is iOS requirement: SeaTorch at 9.0 against Dipper水族系统's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 7, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SeaTorch | Dipper水族系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 24 MB | 36 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [建华 何](https://appshunter.io/developer/1569129858) | [丽辉 王](https://appshunter.io/developer/1629156920) |

## What reviewers say

### SeaTorch

[App page](https://appshunter.io/ios/app/seatorch/id1575511820)

**Features:** macOS Compatibility

**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 SeaTorch free?

SeaTorch 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 SeaTorch or Dipper水族系统 have ads?

Neither SeaTorch nor Dipper水族系统 shows ads.

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

SeaTorch ships an update every 2 months, and Dipper水族系统 every 2 months. Most recently, SeaTorch was updated on September 7, 2026 and Dipper水族系统 on September 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.*