Calendar Notes

Simple and easy to use calendar notes application. Add your idea as a daily note

AsyncByte Software · com.asyncbyte.calendar.notes

Not rated yet 1M+ downloads v1.0.34 8.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 8.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.0.34 (34)
Updated: Jun 3, 2026 (4 months ago)
APK size: 8.5 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Productivity (app)
Listed since: Mar 28, 2021 (at least)
Permissions: 13 (2 sensitive)
Website: asyncbyte-software.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Calendar Notes is an app by AsyncByte Software in the Productivity category, listed since at least March 2021. 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.

It asks for 13 permissions, 2 of them sensitive: read shared storage and modify shared storage. The app can read the advertising ID that ad and analytics services use.

What's new in v1.0.34

* Bug fixes * Improvements * Upgrade Android libraries

Description

From the listing uploaded by “appupdater”.

An very easy app to save your idea and your notes in a calendar date form * beautiful & simple application without any pretension/requirement * add a note, idea, personal agenda, diary into calendar * perpetual calendar * swipe left and right to change month * in month view, you can change year by swipe left/right as well * backup your notes manually into email or your online storage ( no need to login , you need do this manually ) * optimized app, use latest android design guide and library * small size APK Don't let your idea gone, write it down with this calendar notes app ! --- App icon is modified version from icon designed by Laura Reen, http://laurareen.com/ Icon license : Attribution 3.0 Unported (CC BY 3.0)

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 3, 2026.
Certificate issued to “async byte” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified Jun 3, 2026
Validated against Google Play Jun 3, 2026
Signed byCN=xedi, OU=software development, O=async byte, L=surabaya, ST=jawa timur, C=SB
Signing certificate (SHA-1)33:EC:9B:0B:14:22:9D:44:EE:88:BF:F5:99:61:11:0D:49:DE:99:99
File MD57844122bb2ddf967ded616516de3c3df
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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (13)

Calendar Notes requests 13 permissions, 2 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.asyncbyte.calendar.notes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

Calendar Notes 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 Calendar Notes 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. After downloading, check that the file's MD5 is 7844122bb2ddf967ded616516de3c3df.