Moulder: Soil aggregates

Mobile mobile application for measuring soil aggregate stability

Dr Mario · slaker.sydneyuni.au.com.slaker

Not rated yet 1K+ downloads v3.2 59.8 MB Android 5.0+ PEGI 3 · Everyone

Download APK 59.8 MB All versions

Signature matches the Google Play version Details

Watch the Moulder: Soil aggregates trailer on YouTube

At a glance

Latest version: v3.2 (12)
Updated: Dec 15, 2025 (10 months ago)
APK size: 59.8 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Tools (app)
Permissions: 2 (1 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Moulder: Soil aggregates is an app by Dr Mario in the Tools category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.1, the minimum Android version rose from 4.2 to 5.0. It asks for 2 permissions, 1 of them sensitive: camera. It asks for the same permissions as version 3.1.

What's new in v3.2

2025 Paper https://www.nature.com/articles/s41598-025-09925-9 HOW TO CITE THIS APP Fajardo, M. McBratney, A. (2023). Moulder: A soil aggregate stability smart-phone app [Mobile application software]. Retrieved from https://play.google.com/store/apps/details?id=slaker.sydneyuni.au.com.slaker&hl=en. The University of Sydney, Australia. Description of the method in here https://static-content.springer.com/esm/art%3A10.1038%2Fs41598-025-09925-9/MediaObjects/41598_2025_9925_MOESM1_ESM.docx

Description

From the listing uploaded by “appupdater”.

New release 3.0: - Changed name from "Slakes" to "Moulder" Soil aggregate stability is an important soil physical property which influences a wide range of biological and chemical processes in natural and agricultural environments. The stability of aggregates in water is an essential property for maintaining soil productivity by helping in minimising soil erosion, environmental pollution and further degradation. Moulder is smart phone application that is capable to measure the change in area of soil aggregates immersed in a Petri dish full of water over time, fit a model and return coefficients that can be finally used as a soil aggregate stability indicator. More info here : https://www.sciencedirect.com/science/article/pii/S0167198716300952

Version history

4 versions are listed, going back to v2.1. Since v3.1 it requires Android 5.0+.

v3.2 LATEST Dec 15, 2025 59.8 MB TRUSTED v3.1 Jul 24, 2024 59.8 MB TRUSTED v3.0 Jun 5, 2024 58.8 MB TRUSTED v2.1 Jun 7, 2023 76.7 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Dec 15, 2025.
Certificate issued to “Mario Fajardo” This is the certificate of the Google Play version.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature verified Dec 15, 2025
Validated against Google Play Dec 15, 2025
Signed byCN=Mario Fajardo, L=Australia, ST=NSW, C=61
Signing certificate (SHA-1)33:6C:5C:73:3F:98:FD:66:15:E7:80:F6:4C:5B:0B:4E:A2:DB:2F:23
File MD5becf21c5faac8f85c61024a9ba865efb
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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

Moulder: Soil aggregates requests 2 permissions, 1 of them sensitive.

Camera Sensitive android.permission.CAMERA
Internal broadcast protection (app-defined) slaker.sydneyuni.au.com.slaker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Camera android.hardware.camera
Camera autofocus android.hardware.camera.autofocus
Basic touch input android.hardware.faketouch
Landscape screen android.hardware.screen.landscape
Portrait screen android.hardware.screen.portrait

Moulder: Soil aggregates APK: questions and answers

Is there a version of Moulder: Soil aggregates for older Android phones?

The current version needs Android 5.0 or later. Version 3.0 is the newest listed build that installs on Android 4.4 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.0 · All versions

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 Moulder: Soil aggregates 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 3 other versions checked. After downloading, check that the file's MD5 is becf21c5faac8f85c61024a9ba865efb.