Apps without ads

Shows no advertising.

732 apps

KashCal

All your calendars in one app: iCloud, CalDAV, device and ICS.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Works offline
- No account
- Android only
Google Play F-Droid IzzyOnDroid GitHub
Tuta Mail

End-to-end encrypted email, from Germany.
- Communication
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- iOS
- Android
- Linux
App Store Google Play F-Droid Flathub
Proton Mail

End-to-end encrypted email from Switzerland.
- Communication
- FOSS
- Free
- In-app purchases
- No ads
- iOS
- Android
- Windows
- macOS
- Linux
App Store Google Play Snap Store
Proton Calendar

Encrypted calendar that works with Proton Mail.
- Calendar
- Free
- No ads
- iOS
- Android
App Store Google Play
Proton Drive

End-to-end encrypted cloud storage for files and photos.
- Productivity
- FOSS
- Free
- In-app purchases
- No ads
- iOS
- Android
- Windows
- macOS
App Store Google Play
Proton Wallet

Self-custody Bitcoin wallet from Proton.
- Finance
- Free
- In-app purchases
- No ads
- iOS
- Android
App Store Google Play
Thunderbird

Free, open-source email, calendar and chat for the desktop.
- Communication
- FOSS
- Free
- No ads
- Windows
- macOS
- Linux
Flathub Snap Store
Signal

End-to-end encrypted messages and calls, run by a non-profit.
- Communication
- FOSS
- Free
- In-app purchases
- No ads
- iOS
- Android
- Windows
- macOS
- Linux
App Store Google Play
Firefox Focus

A private browser that forgets everything when you close it.
- Internet
- FOSS
- Free
- No ads
- iOS
- Android
App Store Google Play
Bitwarden

Open-source password manager for every device.
- Security & privacy
- FOSS
- Free
- No ads
- iOS
- Android
- Windows
- macOS
- Linux
App Store Google Play Mac App Store GitHub Flathub Snap Store
Bitwarden Authenticator

Two-factor codes, free and separate from your passwords.
- Security & privacy
- FOSS
- Free
- No ads
- iOS
- Android
App Store Google Play GitHub
Nextcloud Desktop

Sync files between your computer and your Nextcloud.
- Productivity
- FOSS
- Free
- No ads
- Windows
- macOS
- Linux
Flathub
0x54ask

Todo.txt manager. Offline, works with Syncthing. Fork of SimpleTask Cloudless
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Agenda Tech

Private offline calendar: encrypted, zero network, encrypted backups.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Autasker

A simple but robust task manager available on Android, Windows and Linux.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Axichat

Replace your email, messenger, and calendar with one app.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
Birday - Birthday Manager

A simple yet useful birthday manager. Birday is free and ad-free! 🥳
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid IzzyOnDroid GitHub
Birthday Adapter

See birthdays and other events from your contacts in your calendar.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Birthday Calendar

Creates birthday events from all other calendar's data
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Birthday Countdown

An App counting down to your next birthday!
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
BirthDayDroid

This application will help you remember all the birthdays of your friends
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
C
CalEF (Calendar Entry Formatter)

Create and send Appointment-Confirmation-Message from Android-Calendar-Entry.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
C
Calendar Color

Change the calendar color
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Calendar Import-Export

Import, Export & Backup your calendars using ics files
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Calendula: Calendar

A Material 3 Expressive calendar for Android with no network access.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid
CalSync - Local Calendar Sync

Sync local calendars offline. Free, open source, no account needed.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
CalSync - Notification Calendar Sync

Sync notification time info to calendar automatically
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub
Casio G-Shock Smart Sync

Add smart functions to your Casio square BT G-Shock Watch.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
Clock31

Clock + Calendar combo widget for Android
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid
Concert Diary

Concert Diary recreates a personal diary for concerts and festivals.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Date-a-base

Your Personal Assistant for Every Special Occasion.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
DeuFeiTage

Find the German public holidays per state and year
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Did I Take My Meds?

An app to manage and track medication doses
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Etar - OpenSource Calendar

Etar is a material designed open source calendar, for everyone!
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
EteSync - Secure Data Sync

Secure, private and end-to-end encrypted calendar, contacts and tasks sync
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
Everyone's Timetable

Looking for a prof's or friend's school timetable? Look in here!
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Flux

Stay organized. Stay focused. Stay in Flux.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub
Fossify Calendar

Securely plan, schedule, and set reminders with our private calendar app.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid IzzyOnDroid GitHub
French Calendar

French Revolutionary calendar widget
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
Giggity

Schedule viewer for conferences and other events
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play F-Droid
GPA Whiz

Offline academic tracker: GPA, CGPA, timetable, and scholarship deadlines
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
H
Hebrew Calendar

Hebrew date, holidays, zmanim and Omer count on your lockscreen
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
H
Hebrew Calendar

Biblical feast days, sabbaths, and moon phases on a lunar calendar
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Holidayz

Public and Regional Holidays for 100+ Countries
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Hypezig

Offline-compatible browser for cultural events in Leipzig
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
ICSx⁵

Subscribe to Webcal (.ics) calendars
- Calendar
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
jtx Board journals|notes|tasks

Keep track of journals, notes & tasks - iCalendar compliant and syncable with yo
- Calendar
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub
Kairos

Your tasks in the right order, fitted into your day. No account, no network.
- Calendar
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub