Is Quadermas safe?

Quadermas is an unofficial client for the electronic Mastercom workbook, a tool for school students. Features: - Login support for many schools selectable from a popup - Subjects: calculate averages and needed marks, plot graphs and view topics - Marks: view all marks in a list or in a graph and calculate the overall average - Topics: view all topics also with a filter for homework - Timetable: v…

Developer: Stypox
Category: Internet
First release: 11 Jul 2025
License: Not documented

02 / Package identity

Technical fingerprint

Application IDcom.stypox.mastercom_workbook

Latest APK SHA-256f41f9e899261f5f101ce01fb2d9abb869bb38024fb2453151420c9c2d4c8abc3

Signing certificateFB:9F:65:1A:1C:42:25:5B:3B:B7:2C:F0:E9:B6:B3:F9:48:95:0D:A4:26:73:C9:CD:C9:41:3B:AB:E2:F6:E3:D1

MIN ANDROID14TARGET36ARCHITECTURE

03 / History

Project timeline

11 Jul 2025

Package observed in source index

Metadata and versions observed from the fdroid repository index.

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

7.411 Jul 202514+→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceBinary repo · fdroid

Permissions4 declared · 2 sensitive

Signaturepresent

Anti-featuresNonFreeNet

Sensitive accessREAD_EXTERNAL_STORAGEWRITE_EXTERNAL_STORAGE

Declared permissions

android.permission.INTERNET android.permission.READ_EXTERNAL_STORAGE android.permission.WRITE_EXTERNAL_STORAGE com.stypox.mastercom_workbook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗