Schedule viewer for conferences and other events
F-DroidCalendar
Replace your Calendar. Start with these.
As of 17 Oct 2026, 80 apps can replace the Calendar on Android. These 8 are where we'd start.
Eight to start with.
Sorted by how complete and recent their facts are.
All your calendars in one app. iCloud, CalDAV, device, ICS. Private
F-Droid
Private offline calendar: encrypted, zero network, encrypted backups
F-Droid
Simple ofline date calculator with reminder
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Securely plan, schedule, and set reminders with our private calendar app
F-Droid
Offline academic tracker: GPA, CGPA, timetable, and scholarship deadlines
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Your tasks in the right order, fitted into your day. No account, no network
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Tibetan and Japanese calendars with almanac readings, and a meditation timer
F-DroidSee all 80 appsShow the top 8 only
57 apps · 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 10+ | F-Droid |
Agenda TechTop 8Patrice Haltaya |
Private offline calendar: encrypted, zero network, encrypted backups | Free | 15 Oct 2026 | Android 8.0+ | F-Droid |
AutaskerVadim Erenkov |
A simple but robust task manager available on Android, Windows and Linux | Free | 4 Jul 2026 | Android 8.0+ | F-Droid |
AxichatAxichat Developers |
Replace your email, messenger, and calendar with one app | Free | 16 Jul 2026 | Android 7.0+ | F-Droid |
Birdayminar |
A simple yet useful birthday manager. Birday is free and ad-free! 🥳 | Free | 14 Oct 2026 | Android 8.0+ | F-Droid |
Birthday AdapterMatthias Heinisch & Dominik Schürmann |
See birthdays and other events from your contacts in your calendar | Free | 26 Aug 2026 | Android 9+ | F-Droid |
Birthday CountdownDrMaxNix |
An App counting down to your next birthday! | Free | 12 May 2026 | Android 7.0+ | F-Droid |
CalendulaJean-Luc Makiola |
A Material 3 Expressive calendar for Android with no network access | Free | 12 Oct 2026 | Android 10+ | F-Droid |
CalSyncHenrique Couto |
Sync local calendars offline. Free, no account needed | Free | 22 Sept 2026 | Android 7.0+ | F-Droid |
CalSyncSteve ZMT |
Sync notification time info to calendar automatically | Free | 10 Jun 2026 | Android 6.0+ | F-Droid |
Casio G-Shock Smart SyncIvo Zivkov |
Add smart functions to your Casio square BT G-Shock Watch | Free | 20 Sept 2026 | Android 8.0+ | F-Droid |
Concert DiaryMilenko Dukic |
Concert Diary recreates a personal diary for concerts and festivals | Free | 1 Jul 2026 | Android 8.1+ | F-Droid |
Date-a-base |
Your Personal Assistant for Every Special Occasion | Free | 29 Apr 2026 | Android 8.0+ | F-Droid |
DayCalcyTop 8Veevek |
Simple ofline date calculator with reminder | Free | 15 Oct 2026 | Android 7.0+ | F-Droid |
Etar |
Etar is a material designed calendar, for everyone! | Free | 31 Jul 2026 | Android 6.0+ | F-Droid |
EteSync |
Secure, private and end-to-end encrypted calendar, contacts and tasks sync | Free | 9 Mar 2026 | Android 5.0+ | F-Droid |
FluxRonit Chinda |
Stay organized. Stay focused. Stay in Flux | Free | 6 Oct 2026 | Android 10+ | F-Droid |
Fossify CalendarTop 8Fossify |
Securely plan, schedule, and set reminders with our private calendar app | Free | 15 Oct 2026 | Android 8.0+ | F-Droid |
GiggityTop 8Wilmer van der Gaast |
Schedule viewer for conferences and other events | Free | 16 Oct 2026 | Android 8.0+ | F-Droid |
GPA WhizTop 8Olumide Adeleke (Dee-Hem) |
Offline academic tracker: GPA, CGPA, timetable, and scholarship deadlines | Free | 15 Oct 2026 | Android 7.0+ | F-Droid |
GroveRajath Ramakrishna |
A native Org-mode notes app for Android. Your notes stay plain.org files | Free | 12 Oct 2026 | Android 6.0+ | F-Droid |
Hebrew Calendarmatta |
Hebrew date, holidays, zmanim and Omer count on your lockscreen | Free | 21 Jun 2026 | Android 8.0+ | F-Droid |
Hebrew CalendarGreg Nwosu |
Biblical feast days, sabbaths, and moon phases on a lunar calendar | Free | 30 Apr 2026 | Android 5.0+ | F-Droid |
Jalali Persian CalendarBabak Bandpey |
Gregorian and Persian (Jalali) calendar with a two-way date converter | Free | 14 Oct 2026 | Android 8.0+ | 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 7.0+ | F-Droid |
KairosTop 8SKOHscripts |
Your tasks in the right order, fitted into your day. No account, no network | Free | 15 Oct 2026 | Android 8.0+ | F-Droid |
KashCalTop 8KashCal |
All your calendars in one app. iCloud, CalDAV, device, ICS. Private | Free | 16 Oct 2026 | Android 12+ | F-Droid |
KeinPlan |
Access your replacements with style | Free | 8 Oct 2026 | Android 9+ | F-Droid |
Linwood Flow NightlyLinwood |
Feature rich event, group and time management system | Free | 26 Aug 2026 | Android 7.0+ | 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 9+ | F-Droid |
MA CalendarVayun Mathur |
The only fully-functional calendar app with Material You | Free | 4 Aug 2026 | Android 12+ | F-Droid |
MinCal Widget |
Minimal Calendar Widget | Free | 23 Aug 2026 | Android 8.0+ | F-Droid |
MushotokuTom Frischmuth |
A private, fully-offline productivity app for focusing on what matters | Free | 26 Jul 2026 | Android 13+ | F-Droid |
NextcloudNextcloud GmbH |
Synchronization client | Free | 6 Oct 2026 | Android 9+ | F-Droid |
Nextcloud DevNextcloud GmbH |
Synchronization client | Free | 14 Oct 2026 | Android 9+ | F-Droid |
NoNonsense NotesSpace Cowboy, CampelloManuel |
A simple notepad and to-do app with an excellent navigation | Free | 14 Oct 2026 | Android 6.0+ | F-Droid |
OrgroAaron Madlon-Kay |
Live your life in Org Mode? Take it with you on your Android device | Free | 14 Oct 2026 | Android 7.0+ | F-Droid |
Orgzly Revived |
Outliner for taking notes and managing to-do lists in Org-mode format | Free | 14 Aug 2026 | Android 6.0+ | F-Droid |
Periodical |
A menstrual calender with calculation of fertile days according to Knaus-Ogino | Free | 5 Sept 2026 | Android 6.0+ | F-Droid |
Persian CalendarPersian Calendar Project |
Android Persian Calendar | Free | 22 Apr 2026 | Android 6.0+ | F-Droid |
Personal Stuffrh-id |
App used to track, manage and remind you of your own stuff | Free | 4 Oct 2026 | Android 5.0+ | F-Droid |
PlaneTxtBenoît HERVIER |
Todo, agenda, journal and notes in plain Markdown files | Free | 14 Oct 2026 | Android 7.0+ | F-Droid |
Productivity Systemtimeto.me |
Goals, checklists, tasks, repetitive tasks, calendar and 24/7 time tracking | Free | 2 Oct 2026 | Android 12+ | F-Droid |
Roto |
Offline rota and shift viewer with today/tomorrow focus, widget, zero tracking | Free | 14 Jun 2026 | Android 7.0+ | F-Droid |
SayWhendmi3dmi3 |
One phrase — and it's on your calendar. No forms, no fields | Free | 6 Oct 2026 | Android 8.0+ | F-Droid |
ShiftSwift |
A smart shift calendar | Free | 15 Sept 2026 | Android 8.0+ | F-Droid |
SilentSuiteSilentSuite |
End-to-end encrypted sync for calendar, contacts, and tasks | Free | 12 Oct 2026 | Android 5.0+ | F-Droid |
Since UsDerDieDasLian |
Count your days together. Private, ad-free and made for every kind of love | Free | 14 Oct 2026 | Android 8.0+ | F-Droid |
solytoLeander Muskalla |
Free, private, all-in-one personal organizer. Self-hostable | Free | 12 Oct 2026 | Android 7.0+ | F-Droid |
Stochastic ReminderThibault Coppex |
Fixed and random reminder scheduler | Free | 14 Aug 2026 | Android 10+ | F-Droid |
StudiPassauNico Mexis |
Access to the Online Portal for Students at the University of Passau | Free | 13 Aug 2026 | Android 7.0+ | F-Droid |
Suntimes Calendars |
A calendar provider add-on for Suntimes | Free | 12 Sept 2026 | Android 4.0+ | F-Droid |
TaskDavJuan Curti |
Tasks, notes and calendar over CalDAV — or local-only on your phone | Free | 12 Oct 2026 | Android 8.0+ | F-Droid |
TKWeekThomas Künneth |
A date and calendaring tool for Android | Free | 1 Oct 2026 | Android 7.0+ | F-Droid |
Tuta CalendarTutao GmbH |
Quantum-safe encrypted planner to schedule & manage your events & sync calendars | Free | 26 Sept 2026 | Android 8.0+ | 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 10+ | F-Droid |
Zanshin CalendarTop 8Iverlein |
Tibetan and Japanese calendars with almanac readings, and a meditation timer | Free | 15 Oct 2026 | Android 8.0+ | F-Droid |
'Top 8' marks the apps above. Data from F-Droid and hand-checked entries, as of 17 Oct 2026.
These eight are sorted by how complete and recent their facts are. A person has not labelled winners yet. How we choose