# Gcoast vs NSTRU

The clearest difference is update cadence: NSTRU at every 6 weeks against Gcoast's every 14 months. Gcoast's advantage is iOS requirement (8.0 vs 15.1). 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.

Gcoast ships an update every 14 months, NSTRU every 6 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Gcoast | NSTRU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 80 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GISTDA](https://appshunter.io/developer/1046208414) | [Krung Thai Bank](https://appshunter.io/developer/383583054) |

## What reviewers say

### Gcoast

[App page](https://appshunter.io/ios/app/gcoast/id1192969917)

This app provides marine remote sensing data, including information on currents, wave heights, wind measurements, and marine camera status. It aims to offer continuous and sustainable data services for various sectors.

**Highlights:** Marine remote sensing data, Currents information, Wave height data, Wind measurement data, Marine camera status

**In-app purchases:** none


### NSTRU

[App page](https://appshunter.io/ios/app/nstru/id1669668914)

**In-app purchases:** none


## Frequently asked questions

### Is Gcoast free?

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

### Is NSTRU free?

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

### Do Gcoast or NSTRU have ads?

Neither Gcoast nor NSTRU shows ads.

### Which is updated more often, Gcoast or NSTRU?

Gcoast ships an update every 14 months, and NSTRU every 6 weeks. Most recently, Gcoast was updated on October 10, 2026 and NSTRU on October 10, 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.*