# ESA Crowd Cover Classification

> ESA Crowd Cover Classification (iPhone/iPad app by ESA - European Space Agency.)

- Source: https://appshunter.io/ios/app/esa-crowd-cover-classification/id1109304038 (this page in markdown: same URL + `.md`)
- Developer: [ESA - European Space Agency](https://appshunter.io/developer/429660009)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 7.1 · 4 MB
- Languages: English
- Released: 2016-04-30
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/esa-crowd-cover-classification/id1109304038/reviews.md

## What is ESA Crowd Cover Classification?

The 3C app (Crowd Cover Classification) is an experiment which started during the ESA Living Planet Symposium 2016 within the context of EO Open Science. The goal is to explore the potential of common technology (smartphones) for participatory land cover classification, using Sentinel data. Results will appear on dedicated websites:

- http://eoopenscience.esa.int/esa_3c_mosaic.php
- http://lps16.esa.int/esa_3c_mosaic.php


## Version history (last 5 releases)

### 2.1 — 2016-09-07

This app has been updated by Apple to display the Apple Watch app icon.

minor bug fixed

### 2.0 — 2016-08-26

Processing of Normalised Difference Vegetation Index (NDVI) to support classification, selection of brush size, "Share you results with picture", selection of the dataset you want to classify.

### 1.2 — 2016-05-08

nickname issue fixed

### 1.1 — 2016-05-03

A network bug has been fixed

### 1.0 — 2016-04-30

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*