Replace your Calendar.
As of 17 Oct 2026, 80 apps can replace the Calendar on Android. Sorted by name.
| App | What it does | Price | Updated | Min Android | Get it |
|---|---|---|---|---|---|
 0x54askTero Karvinen |
Todo.txt manager. Offline, works with Syncthing. Fork of SimpleTask Cloudless | Free | 3 Sept 2026 | Android 29 | F-Droid |
 Agenda TechPatrice Haltaya |
Private offline calendar: encrypted, zero network, encrypted backups | Free | 15 Oct 2026 | Android 26 | F-Droid |
 AutaskerVadim Erenkov |
A simple but robust task manager available on Android, Windows and Linux | Free | 4 Jul 2026 | Android 26 | F-Droid |
 AxichatAxichat Developers |
Replace your email, messenger, and calendar with one app | Free | 16 Jul 2026 | Android 24 | F-Droid |
 Birdayminar |
A simple yet useful birthday manager. Birday is free and ad-free! 🥳 | Free | 14 Oct 2026 | Android 26 | F-Droid |
 Birthday AdapterMatthias Heinisch & Dominik Schürmann |
See birthdays and other events from your contacts in your calendar | Free | 26 Aug 2026 | Android 28 | F-Droid |
Birthday CalendarSascha Peilicke |
Creates birthday events from all other calendar's data | Free | 23 Mar 2020 | Android 17 | F-Droid |
 Birthday CountdownDrMaxNix |
An App counting down to your next birthday! | Free | 12 May 2026 | Android 24 | F-Droid |
 BirthDayDroidThiago Mendes |
This application will help you remember all the birthdays of your friends | Free | 16 Dec 2021 | Android 23 | F-Droid |
 CalEF (Calendar Entry Formatter)k3b |
Create and send Appointment-Confirmation-Message from Android-Calendar-Entry | Free | 4 Dec 2023 | Android 14 | F-Droid |
Calendar Color |
Change the calendar color | Free | 6 Aug 2024 | Android 24 | F-Droid |
Calendar Import-ExportDominik Schürmann |
Import, Export & Backup your calendars using ics files | Free | 22 Sept 2024 | Android 14 | F-Droid |
 CalendulaJean-Luc Makiola |
A Material 3 Expressive calendar for Android with no network access | Free | 12 Oct 2026 | Android 29 | F-Droid |
 CalSyncHenrique Couto |
Sync local calendars offline. Free, no account needed | Free | 22 Sept 2026 | Android 24 | F-Droid |
 CalSyncSteve ZMT |
Sync notification time info to calendar automatically | Free | 10 Jun 2026 | Android 23 | F-Droid |
 Casio G-Shock Smart SyncIvo Zivkov |
Add smart functions to your Casio square BT G-Shock Watch | Free | 20 Sept 2026 | Android 26 | F-Droid |
 Clock31Federico Dossena |
Clock + Calendar combo widget for Android | Free | 12 Feb 2023 | Android 21 | F-Droid |
 Concert DiaryMilenko Dukic |
Concert Diary recreates a personal diary for concerts and festivals | Free | 1 Jul 2026 | Android 27 | F-Droid |
 Date-a-base |
Your Personal Assistant for Every Special Occasion | Free | 29 Apr 2026 | Android 26 | F-Droid |
 DayCalcyVeevek |
Simple ofline date calculator with reminder | Free | 15 Oct 2026 | Android 24 | F-Droid |
 DeuFeiTage |
Find the German public holidays per state and year | Free | 11 Mar 2023 | Android 23 | F-Droid |
 Did I Take My Meds?CorruptedArk |
An app to manage and track medication doses | Free | 10 Jan 2023 | Android 21 | F-Droid |
 Etar |
Etar is a material designed calendar, for everyone! | Free | 31 Jul 2026 | Android 23 | F-Droid |
 EteSync |
Secure, private and end-to-end encrypted calendar, contacts and tasks sync | Free | 9 Mar 2026 | Android 21 | F-Droid |
 Everyone's TimetableAndrew Smith |
Looking for a prof's or friend's school timetable? Look in here! | Free | 31 Jan 2021 | Android 10 | F-Droid |
 FluxRonit Chinda |
Stay organized. Stay focused. Stay in Flux | Free | 6 Oct 2026 | Android 29 | F-Droid |
 Fossify CalendarFossify |
Securely plan, schedule, and set reminders with our private calendar app | Free | 15 Oct 2026 | Android 26 | F-Droid |
French Calendar |
French Revolutionary calendar widget | Free | 8 Jul 2018 | Android 3 | F-Droid |
 GiggityWilmer van der Gaast |
Schedule viewer for conferences and other events | Free | 16 Oct 2026 | Android 26 | F-Droid |
 GPA WhizOlumide Adeleke (Dee-Hem) |
Offline academic tracker: GPA, CGPA, timetable, and scholarship deadlines | Free | 15 Oct 2026 | Android 24 | F-Droid |
 GroveRajath Ramakrishna |
A native Org-mode notes app for Android. Your notes stay plain.org files | Free | 12 Oct 2026 | Android 23 | F-Droid |
Hebrew Calendarmatta |
Hebrew date, holidays, zmanim and Omer count on your lockscreen | Free | 21 Jun 2026 | Android 26 | F-Droid |
Hebrew CalendarGreg Nwosu |
Biblical feast days, sabbaths, and moon phases on a lunar calendar | Free | 30 Apr 2026 | Android 21 | F-Droid |
 Holidayzmanip92 |
Public and Regional Holidays for 100+ Countries | Free | 13 Apr 2025 | Android 21 | F-Droid |
 HypezigMarkus Kollotzek |
Offline-compatible browser for cultural events in Leipzig | Free | 10 Sept 2022 | Android 15 | F-Droid |
ICSx⁵bitfire web engineering |
Subscribe to Webcal (.ics) calendars | Free | 18 Dec 2025 | Android 23 | F-Droid |
Jalali Persian CalendarBabak Bandpey |
Gregorian and Persian (Jalali) calendar with a two-way date converter | Free | 14 Oct 2026 | Android 26 | F-Droid |
 jtx Board journals|notes|tasksTechbee e.U. |
Keep track of journals, notes & tasks - iCalendar compliant and syncable with yo | Free | 6 Oct 2026 | Android 24 | F-Droid |
 KairosSKOHscripts |
Your tasks in the right order, fitted into your day. No account, no network | Free | 15 Oct 2026 | Android 26 | F-Droid |
 KashCalKashCal |
All your calendars in one app. iCloud, CalDAV, device, ICS. Private | Free | 16 Oct 2026 | Android 31 | F-Droid |
 KeinPlan |
Access your replacements with style | Free | 8 Oct 2026 | Android 28 | F-Droid |
LinCal |
Surprise friends with notifications | Free | 16 Feb 2018 | Android 16 | F-Droid |
 Linwood Flow NightlyLinwood |
Feature rich event, group and time management system | Free | 26 Aug 2026 | Android 24 | F-Droid |
 Lux Alarm |
Wake up with light! This alarm can only be turned off when your room is bright | Free | 20 Sept 2026 | Android 28 | F-Droid |
 MA CalendarVayun Mathur |
The only fully-functional calendar app with Material You | Free | 4 Aug 2026 | Android 31 | F-Droid |
 MinCal Widget |
Minimal Calendar Widget | Free | 23 Aug 2026 | Android 26 | F-Droid |
 MushotokuTom Frischmuth |
A private, fully-offline productivity app for focusing on what matters | Free | 26 Jul 2026 | Android 33 | F-Droid |
NextcloudNextcloud GmbH |
Synchronization client | Free | 6 Oct 2026 | Android 28 | F-Droid |
Nextcloud DevNextcloud GmbH |
Synchronization client | Free | 14 Oct 2026 | Android 28 | F-Droid |
 NoFb Event Scraperakaessens |
Import Facebook-Events to the calendar | Free | 21 Aug 2021 | Android 23 | F-Droid |
 NoNonsense NotesSpace Cowboy, CampelloManuel |
A simple notepad and to-do app with an excellent navigation | Free | 14 Oct 2026 | Android 23 | F-Droid |
 OrgroAaron Madlon-Kay |
Live your life in Org Mode? Take it with you on your Android device | Free | 14 Oct 2026 | Android 24 | F-Droid |
 Orgzly Revived |
Outliner for taking notes and managing to-do lists in Org-mode format | Free | 14 Aug 2026 | Android 23 | F-Droid |
 Periodical |
A menstrual calender with calculation of fertile days according to Knaus-Ogino | Free | 5 Sept 2026 | Android 23 | F-Droid |
 Persian CalendarPersian Calendar Project |
Android Persian Calendar | Free | 22 Apr 2026 | Android 23 | F-Droid |
 Personal Stuffrh-id |
App used to track, manage and remind you of your own stuff | Free | 4 Oct 2026 | Android 21 | F-Droid |
 PlaneTxtBenoît HERVIER |
Todo, agenda, journal and notes in plain Markdown files | Free | 14 Oct 2026 | Android 24 | F-Droid |
 PolyCalJason Gyorog |
colorful, text-based calendar widget | Free | 13 Apr 2022 | Android 24 | F-Droid |
 Productivity Systemtimeto.me |
Goals, checklists, tasks, repetitive tasks, calendar and 24/7 time tracking | Free | 2 Oct 2026 | Android 31 | F-Droid |
 Roto |
Offline rota and shift viewer with today/tomorrow focus, widget, zero tracking | Free | 14 Jun 2026 | Android 24 | F-Droid |
 SayWhendmi3dmi3 |
One phrase — and it's on your calendar. No forms, no fields | Free | 6 Oct 2026 | Android 26 | F-Droid |
 ShiftSwift |
A smart shift calendar | Free | 15 Sept 2026 | Android 26 | F-Droid |
 SilentSuiteSilentSuite |
End-to-end encrypted sync for calendar, contacts, and tasks | Free | 12 Oct 2026 | Android 21 | F-Droid |
 Since UsDerDieDasLian |
Count your days together. Private, ad-free and made for every kind of love | Free | 14 Oct 2026 | Android 26 | F-Droid |
 solytoLeander Muskalla |
Free, private, all-in-one personal organizer. Self-hostable | Free | 12 Oct 2026 | Android 24 | F-Droid |
 Stochastic ReminderThibault Coppex |
Fixed and random reminder scheduler | Free | 14 Aug 2026 | Android 29 | F-Droid |
 StudiPassauNico Mexis |
Access to the Online Portal for Students at the University of Passau | Free | 13 Aug 2026 | Android 24 | F-Droid |
 Suntimes Calendars |
A calendar provider add-on for Suntimes | Free | 12 Sept 2026 | Android 14 | F-Droid |
 TaskDavJuan Curti |
Tasks, notes and calendar over CalDAV — or local-only on your phone | Free | 12 Oct 2026 | Android 26 | F-Droid |
Taswast |
Amazigh Calendar | Free | 19 Jul 2018 | Android 20 | F-Droid |
 Tempus Romanum |
Latin date generator with a widget | Free | 25 Nov 2025 | Android 26 | F-Droid |
 TKWeekThomas Künneth |
A date and calendaring tool for Android | Free | 1 Oct 2026 | Android 24 | F-Droid |
 Todo AgendaAndStatus |
Home screen widgets displaying events from selected calendars and task lists | Free | 23 Mar 2025 | Android 24 | F-Droid |
 Tuta CalendarTutao GmbH |
Quantum-safe encrypted planner to schedule & manage your events & sync calendars | Free | 26 Sept 2026 | Android 26 | F-Droid |
 Ubuntu Countdown Widget |
Keep an eye on the days remaining before the new release of Ubuntu! | Free | 8 Oct 2023 | Android 26 | F-Droid |
 Vacation DaysCrazy Marvin & Contributors |
See when you’re free — Vacation Days helps you keep track of your days off | Free | 15 Feb 2026 | Android 29 | F-Droid |
 Valentin's PowerTools #036Valentin |
A mix between a calendar and a clock that makes you wait faster | Free | 27 Sept 2024 | Android 26 | F-Droid |
 Vedroid EventsAlexander Shuklin |
simple birthdays and events remainder app without any stupid us | Free | 24 Sept 2020 | Android 14 | F-Droid |
 WriteOn3zpnix |
A clean function-based intuitive note-taking app with Material You design | Free | 8 Sept 2025 | Android 26 | F-Droid |
 Zanshin CalendarIverlein |
Tibetan and Japanese calendars with almanac readings, and a meditation timer | Free | 15 Oct 2026 | Android 26 | F-Droid |
