# GCCI vs Ocean Ecostructures

The clearest difference is iOS requirement: Ocean Ecostructures at 13.0 against GCCI's 15.1. 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.

GCCI ships an update monthly, Ocean Ecostructures every 6 weeks. The most recent releases landed on October 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | GCCI | Ocean Ecostructures |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 40 MB | 53 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ser Calidad SAC](https://appshunter.io/developer/1594187585) | [SEASTAINABLEVENTURES SL](https://appshunter.io/developer/1650356766) |

## What reviewers say

### GCCI

[App page](https://appshunter.io/ios/app/gcci/id1658176084)

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

**In-app purchases:** none


### Ocean Ecostructures

[App page](https://appshunter.io/ios/app/ocean-ecostructures/id6443895671)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GCCI free?

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

### Is Ocean Ecostructures free?

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

### Do GCCI or Ocean Ecostructures have ads?

Neither GCCI nor Ocean Ecostructures shows ads.

### Which is updated more often, GCCI or Ocean Ecostructures?

GCCI ships an update monthly, and Ocean Ecostructures every 6 weeks. Most recently, GCCI was updated on October 7, 2026 and Ocean Ecostructures on September 19, 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.*