# Marnoba vs Global Alert

The clearest difference is iOS requirement: Global Alert at 7.0 against Marnoba'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.

Marnoba ships an update every 6 weeks, Global Alert every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Marnoba | Global Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/global-alert-floating-trash/id938599942/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 66 MB | 5 MB |
| Requires iOS | 15.1 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASOC VERTIDOS CERO PARA LA PREVENCION MINIMIZACION Y ELIMINACION DE LOS VERTIDOS](https://appshunter.io/developer/1570610442) | [Ocean Recovery Alliance Inc](https://appshunter.io/developer/938599941) |

## What reviewers say

### Marnoba

[App page](https://appshunter.io/ios/app/marnoba/id882466429)

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

**In-app purchases:** none


### Global Alert

[App page](https://appshunter.io/ios/app/global-alert-floating-trash/id938599942)

Report trash hot-spots in waterways and coastlines to help combat plastic pollution. Your submissions aid community cleanup efforts and the placement of waste catchment devices, contributing to healthier oceans. Download public data for research and awareness campaigns.

**Highlights:** Map trash hot-spots with photos and data, Connect with community cleanup organizations, Download public trash data, Contribute to ocean health initiatives, Report plastic waste in rivers, lakes, and coastlines

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marnoba free?

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

### Is Global Alert free?

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

### Do Marnoba or Global Alert have ads?

Neither Marnoba nor Global Alert shows ads.

### Which is updated more often, Marnoba or Global Alert?

Marnoba ships an update every 6 weeks, and Global Alert every 2 months. Most recently, Marnoba was updated on November 1, 2026 and Global Alert on November 6, 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.*