The only fully-functional open-source calendar app with Material You

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Antivirus & safety scan results

Scan Date: Apr 30, 2026 Software Version: v2.4.2

Status: ✅ Trusted & Safe to install This app is signed by Vayun Mathur with trusted and verified digital signature and it will updated existing Calendar installations Certificate fingerprint: 102806d7c6f421360f19a743fdd56dbcc125b4d7 Issuer: CN:Vayun How we verify APK files security

Android antivirus Status

K7GW Clean ✅

DrWeb Clean ✅

VirIT Clean ✅

ClamAV Clean ✅

Google Clean ✅

Ikarus Clean ✅

Lionic Clean ✅

Sophos Clean ✅

Yandex Clean ✅

Alibaba Clean ✅

Tencent Clean ✅

Xcitium Clean ✅

Fortinet Clean ✅

Kingsoft Clean ✅

Symantec Clean ✅

AhnLab-V3 Clean ✅

Kaspersky Clean ✅

Microsoft Clean ✅

Trustlook Clean ✅

ESET-NOD32 Clean ✅

Avast-Mobile Clean ✅

NANO-Antivirus Clean ✅

BitDefenderFalx Clean ✅

Calendar Scheduling and Calendars app for Android description

The only fully-functional open-source calendar app with Material You.

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Screenshots & Video

Specifications

Package Name	com.vayunmathur.calendar
Requirements	Android 12 (API 31)
Author	Vayun Mathur
APK Size	6.9 MB
Categories	Productivity and Business, Scheduling and Calendars
Source Code	https://github.com/vayun-mathur/Calendar