# GST掌控消防 vs Smart Aquaculture

The clearest difference is update cadence: Smart Aquaculture at every 2 months against GST掌控消防's every 5 months. 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.

GST掌控消防 ships an update every 5 months, Smart Aquaculture every 2 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GST掌控消防 | Smart Aquaculture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 71 MB | 70 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海湾安全技术有限公司](https://appshunter.io/developer/1389703268) | [雷雷 陈](https://appshunter.io/developer/1788240746) |

## What reviewers say

### GST掌控消防

[App page](https://appshunter.io/ios/app/gst/id6453023630)

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

**In-app purchases:** none


### Smart Aquaculture

[App page](https://appshunter.io/ios/app/smart-aquaculture/id6740156042)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GST掌控消防 free?

GST掌控消防 is free to download, with no in-app purchases.

### Is Smart Aquaculture free?

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

### Do GST掌控消防 or Smart Aquaculture have ads?

Both GST掌控消防 and Smart Aquaculture show ads.

### Which is updated more often, GST掌控消防 or Smart Aquaculture?

GST掌控消防 ships an update every 5 months, and Smart Aquaculture every 2 months. Most recently, GST掌控消防 was updated on October 11, 2026 and Smart Aquaculture on October 9, 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.*