# Replace your Calendar

As of 17 Oct 2026, 80 apps can replace the Calendar on Android.

- [0x54ask](https://getunstock.com/apps/0x54ask) — Todo.txt manager. Offline, works with Syncthing. Fork of SimpleTask Cloudless
- [Agenda Tech](https://getunstock.com/apps/agenda-tech) — Private offline calendar: encrypted, zero network, encrypted backups
- [Autasker](https://getunstock.com/apps/autasker) — A simple but robust task manager available on Android, Windows and Linux
- [Axichat](https://getunstock.com/apps/axichat) — Replace your email, messenger, and calendar with one app
- [Birday](https://getunstock.com/apps/birday) — A simple yet useful birthday manager. Birday is free and ad-free! 🥳
- [Birthday Adapter](https://getunstock.com/apps/birthday-adapter) — See birthdays and other events from your contacts in your calendar
- [Birthday Calendar](https://getunstock.com/apps/birthday-calendar) — Creates birthday events from all other calendar's data
- [Birthday Countdown](https://getunstock.com/apps/birthday-countdown) — An App counting down to your next birthday!
- [BirthDayDroid](https://getunstock.com/apps/birthdaydroid) — This application will help you remember all the birthdays of your friends
- [CalEF (Calendar Entry Formatter)](https://getunstock.com/apps/calef-calendar-entry-formatter) — Create and send Appointment-Confirmation-Message from Android-Calendar-Entry
- [Calendar Color](https://getunstock.com/apps/calendar-color) — Change the calendar color
- [Calendar Import-Export](https://getunstock.com/apps/calendar-import-export) — Import, Export & Backup your calendars using ics files
- [Calendula](https://getunstock.com/apps/calendula) — A Material 3 Expressive calendar for Android with no network access
- [CalSync](https://getunstock.com/apps/calsync) — Sync local calendars offline. Free, no account needed
- [CalSync](https://getunstock.com/apps/calsync) — Sync notification time info to calendar automatically
- [Casio G-Shock Smart Sync](https://getunstock.com/apps/casio-g-shock-smart-sync) — Add smart functions to your Casio square BT G-Shock Watch
- [Clock31](https://getunstock.com/apps/clock31) — Clock + Calendar combo widget for Android
- [Concert Diary](https://getunstock.com/apps/concert-diary) — Concert Diary recreates a personal diary for concerts and festivals
- [Date-a-base](https://getunstock.com/apps/date-a-base) — Your Personal Assistant for Every Special Occasion
- [DayCalcy](https://getunstock.com/apps/daycalcy) — Simple ofline date calculator with reminder
- [DeuFeiTage](https://getunstock.com/apps/deufeitage) — Find the German public holidays per state and year
- [Did I Take My Meds?](https://getunstock.com/apps/did-i-take-my-meds) — An app to manage and track medication doses
- [Etar](https://getunstock.com/apps/etar) — Etar is a material designed calendar, for everyone!
- [EteSync](https://getunstock.com/apps/etesync) — Secure, private and end-to-end encrypted calendar, contacts and tasks sync
- [Everyone's Timetable](https://getunstock.com/apps/everyone-s-timetable) — Looking for a prof's or friend's school timetable? Look in here!
- [Flux](https://getunstock.com/apps/flux) — Stay organized. Stay focused. Stay in Flux
- [Fossify Calendar](https://getunstock.com/apps/fossify-calendar) — Securely plan, schedule, and set reminders with our private calendar app
- [French Calendar](https://getunstock.com/apps/french-calendar) — French Revolutionary calendar widget
- [Giggity](https://getunstock.com/apps/giggity) — Schedule viewer for conferences and other events
- [GPA Whiz](https://getunstock.com/apps/gpa-whiz) — Offline academic tracker: GPA, CGPA, timetable, and scholarship deadlines
- [Grove](https://getunstock.com/apps/grove) — A native Org-mode notes app for Android. Your notes stay plain.org files
- [Hebrew Calendar](https://getunstock.com/apps/hebrew-calendar) — Hebrew date, holidays, zmanim and Omer count on your lockscreen
- [Hebrew Calendar](https://getunstock.com/apps/hebrew-calendar) — Biblical feast days, sabbaths, and moon phases on a lunar calendar
- [Holidayz](https://getunstock.com/apps/holidayz) — Public and Regional Holidays for 100+ Countries
- [Hypezig](https://getunstock.com/apps/hypezig) — Offline-compatible browser for cultural events in Leipzig
- [ICSx⁵](https://getunstock.com/apps/icsx) — Subscribe to Webcal (.ics) calendars
- [Jalali Persian Calendar](https://getunstock.com/apps/jalali-persian-calendar) — Gregorian and Persian (Jalali) calendar with a two-way date converter
- [jtx Board journals|notes|tasks](https://getunstock.com/apps/jtx-board-journals-notes-tasks) — Keep track of journals, notes & tasks - iCalendar compliant and syncable with yo
- [Kairos](https://getunstock.com/apps/kairos) — Your tasks in the right order, fitted into your day. No account, no network
- [KashCal](https://getunstock.com/apps/kashcal) — All your calendars in one app. iCloud, CalDAV, device, ICS. Private
- [KeinPlan](https://getunstock.com/apps/keinplan) — Access your replacements with style
- [LinCal](https://getunstock.com/apps/lincal) — Surprise friends with notifications
- [Linwood Flow Nightly](https://getunstock.com/apps/linwood-flow-nightly) — Feature rich event, group and time management system
- [Lux Alarm](https://getunstock.com/apps/lux-alarm) — Wake up with light! This alarm can only be turned off when your room is bright
- [MA Calendar](https://getunstock.com/apps/ma-calendar) — The only fully-functional calendar app with Material You
- [MinCal Widget](https://getunstock.com/apps/mincal-widget) — Minimal Calendar Widget
- [Mushotoku](https://getunstock.com/apps/mushotoku) — A private, fully-offline productivity app for focusing on what matters
- [Nextcloud](https://getunstock.com/apps/nextcloud) — Synchronization client
- [Nextcloud Dev](https://getunstock.com/apps/nextcloud-dev) — Synchronization client
- [NoFb Event Scraper](https://getunstock.com/apps/nofb-event-scraper) — Import Facebook-Events to the calendar
- [NoNonsense Notes](https://getunstock.com/apps/nononsense-notes) — A simple notepad and to-do app with an excellent navigation
- [Orgro](https://getunstock.com/apps/orgro) — Live your life in Org Mode? Take it with you on your Android device
- [Orgzly Revived](https://getunstock.com/apps/orgzly-revived) — Outliner for taking notes and managing to-do lists in Org-mode format
- [Periodical](https://getunstock.com/apps/periodical) — A menstrual calender with calculation of fertile days according to Knaus-Ogino
- [Persian Calendar](https://getunstock.com/apps/persian-calendar) — Android Persian Calendar
- [Personal Stuff](https://getunstock.com/apps/personal-stuff) — App used to track, manage and remind you of your own stuff
- [PlaneTxt](https://getunstock.com/apps/planetxt) — Todo, agenda, journal and notes in plain Markdown files
- [PolyCal](https://getunstock.com/apps/polycal) — colorful, text-based calendar widget
- [Productivity System](https://getunstock.com/apps/productivity-system) — Goals, checklists, tasks, repetitive tasks, calendar and 24/7 time tracking
- [Roto](https://getunstock.com/apps/roto) — Offline rota and shift viewer with today/tomorrow focus, widget, zero tracking
- [SayWhen](https://getunstock.com/apps/saywhen) — One phrase — and it's on your calendar. No forms, no fields
- [ShiftSwift](https://getunstock.com/apps/shiftswift) — A smart shift calendar
- [SilentSuite](https://getunstock.com/apps/silentsuite) — End-to-end encrypted sync for calendar, contacts, and tasks
- [Since Us](https://getunstock.com/apps/since-us) — Count your days together. Private, ad-free and made for every kind of love
- [solyto](https://getunstock.com/apps/solyto) — Free, private, all-in-one personal organizer. Self-hostable
- [Stochastic Reminder](https://getunstock.com/apps/stochastic-reminder) — Fixed and random reminder scheduler
- [StudiPassau](https://getunstock.com/apps/studipassau) — Access to the Online Portal for Students at the University of Passau
- [Suntimes Calendars](https://getunstock.com/apps/suntimes-calendars) — A calendar provider add-on for Suntimes
- [TaskDav](https://getunstock.com/apps/taskdav) — Tasks, notes and calendar over CalDAV — or local-only on your phone
- [Taswast](https://getunstock.com/apps/taswast) — Amazigh Calendar
- [Tempus Romanum](https://getunstock.com/apps/tempus-romanum) — Latin date generator with a widget
- [TKWeek](https://getunstock.com/apps/tkweek) — A date and calendaring tool for Android
- [Todo Agenda](https://getunstock.com/apps/todo-agenda) — Home screen widgets displaying events from selected calendars and task lists
- [Tuta Calendar](https://getunstock.com/apps/tuta-calendar) — Quantum-safe encrypted planner to schedule & manage your events & sync calendars
- [Ubuntu Countdown Widget](https://getunstock.com/apps/ubuntu-countdown-widget) — Keep an eye on the days remaining before the new release of Ubuntu!
- [Vacation Days](https://getunstock.com/apps/vacation-days) — See when you’re free — Vacation Days helps you keep track of your days off
- [Valentin's PowerTools #036](https://getunstock.com/apps/valentin-s-powertools-036) — A mix between a calendar and a clock that makes you wait faster
- [Vedroid Events](https://getunstock.com/apps/vedroid-events) — simple birthdays and events remainder app without any stupid us
- [WriteOn](https://getunstock.com/apps/writeon) — A clean function-based intuitive note-taking app with Material You design
- [Zanshin Calendar](https://getunstock.com/apps/zanshin-calendar) — Tibetan and Japanese calendars with almanac readings, and a meditation timer