EarthEcho Water Challenge app icon

EarthEcho Water Challenge

Join a global effort to map and monitor water resources in your community.

mWater · co.mwater.wwmc

Not rated yet 5K+ downloads v110.0.0 17.9 MB Android 7.0+ PEGI 3 · Everyone

Download APK 17.9 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v110.0.0 (11000000)
Updated
Aug 26, 2026 (1 month ago)
APK size
17.9 MB
Requires
Android 7.0+ (API 24)
CPU support
Any (no native code)
Category
Education (app)
Listed since
Mar 16, 2021 (at least)
Permissions
9 (3 sensitive)
Website
monitorwater.org
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

EarthEcho Water Challenge is an app by mWater in the Education category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

Since version 62.0.4, the APK grew from 11.9 MB to 17.9 MB. It asks for 9 permissions, 3 of them sensitive: precise location, camera and approximate location. Compared with version 74.0.0, it adds 1 new permission (“Show notifications”) and drops 2 (“Read media images” and “Read media video”).

What's new in v110.0.0

Camera permission improvements

Description

From the listing uploaded by “appupdater”.

The EarthEcho Water Challenge is an international education and outreach program, coordinated by EarthEcho International. It builds public awareness and involvement in protecting waterways around the world by engaging citizens to conduct basic monitoring of local waterbodies, share findings, and protect our most precious resource. You can download this app for free and easily enter real-time water monitoring data as well as collaborate with others in your community and around the world. The EEWC testing kit and app puts powerful citizen scientists across the world to work with data and strategies to improve and protect our water resources. While any meter or kit can be used with the app, EEWC test Kits may be ordered by visiting this page: http://www.monitorwater.org/Order_Kits.aspx The EarthEcho Water Challenge is managed by EarthEcho International, a leading environmental education and youth leadership nonprofit organization co-founded and led by Philippe Cousteau, Jr. The app and database was built by mWater, a technology company that creates mobile data solutions for safe water and better health. Please visit http://www.monitorwater.org to learn more about the Challenge. This app includes the following features: Login via Google or Facebook Locate or create water monitoring sites using your phone’s built-in GPS Record visits to sites, including observations, photos, and test results Work together with other users as part of a group View and download your data

Version history

3 versions are listed, going back to v62.0.4.

v110.0.0 LATEST Aug 26, 2026 17.9 MB TRUSTED v74.0.0 Mar 8, 2026 13 MB TRUSTED v62.0.4 Jun 5, 2024 11.9 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Aug 26, 2026.
  • Certificate issued to “mWater” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Aug 26, 2026
  • Validated against Google Play Aug 26, 2026
  • Signed byCN=Clayton Grassick, OU=Development, O=mWater, L=Montreal, ST=Quebec, C=CA
  • Signing certificate (SHA-1)68:B8:EE:C7:A3:8E:AA:39:F0:5E:1A:33:11:7A:67:D0:69:1B:9A:14
  • File MD5f6ad9580b59ee8e2f51c370ea384b60a
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

EarthEcho Water Challenge requests 9 permissions, 3 of them sensitive.

Required hardware & features

EarthEcho Water Challenge APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the EarthEcho Water Challenge APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is f6ad9580b59ee8e2f51c370ea384b60a.

Tags

mwater wwmc education earthecho water challenge

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