Calendar (General)

General Calendars

2020-05-19

Simple Calendar Pro - Events & Reminders Manager (4.8@4,346; ~EUR 1.00) 8 $Contains no trackers known to us \o/$ Github
HebDate Hebrew Calendar (4.7@17,488) Ǥ 17 4
SolCalendar - Calendar / To do (4.5@138,716) Ǥ 28 2 LastUpdate: 2016-09-22 Kurzvorstellung 11/2013; Testbericht 11/2013
TimeTree - Free Shared Calendar (4.5@115,424) Ǥ 19 23
CalenGoo - Calendar and Tasks (4.5@8,569; ~EUR 5.50) Ǥ 18 1 Testbericht 11/2013
Unicorn Calendar (4.5@5,395) Ǥ 7 2
Family Shared Calendar: FamCal (4.5@5,191) Ǥ 11 5
Tiny Calendar - Calendar App (4.5@4,020) Ǥ 15 6 LastUpdate: 2018-10-31
Pimlical Advanced Calendar/PIM (4.5@440; ~EUR 11.00) Ǥ 16 $Contains no trackers known to us \o/$ / Pimlical Calendar Widget (4@54; ~EUR 1.00) Ǥ 11 $Contains no trackers known to us \o/$ Video Walk-Through 9/2014; PalmOS's DateBk for Android
Google Calendar (4.4@1,259,523) Ǥ 24 2 Testbericht 11/2013
Any.do: To do list, Calendar, Planner & Reminders (4.4@346,982) Ǥ 29 7
DigiCal Calendar Agenda (4.4@157,782) Ǥ 14 3 / DigiCal+ Calendar (4.6@23,405; ~EUR 5.00) Ǥ 1 $Contains no trackers known to us \o/$ LastUpdate: 2016-06-16 Testbericht 11/2013 | 11/2013; Phone & Tablet optimized
Cozi Family Organizer (4.4@66,497) Ǥ 16 13
Business Calendar (4.4@49,637) 13 25 / Business Calendar 2・Agenda, Planner & Organizer (4.6@170,646) Ǥ 23 6 / Business Calendar Pro (4.7@31,739; ~EUR 6.00) Ǥ 9 $Contains no trackers known to us \o/$ Testbericht 11/2013; Review 1/2014; Promo Video 4/2013; Kurzvorstellung 4/2015; Info 8/2015
EssentialPIM - Your Personal Information Manager (4.4@11,003) Ǥ 31 2 Video Intro 9/2013; Calendars, To Dos, Notes, Contacts and Passwords
FamilyWall - Family Organizer (4.4@9,227) Ǥ 28 4
DejaOffice CRM with PC Sync - Android Outlook Sync (4.4@8,226) Ǥ 31 1 Mini PIM: Contacts, Calendar, Tasks, Memos, Journals, Categories, and Notes
My Personal Agenda (4.3@27,442) Ǥ 11 1 / My Personal Agenda Pro (4.2@2,048; ~EUR 7.00) Ǥ 11 1 Diary, Notes, Task Lists, Reminders, Calendar, Contacts, Passwords, Drawings
Day by Day Organizer (4.3@15,181) Ǥ 18 4 / Day by Day Organizer PRO (4.4@3,128; ~EUR 2.75) Ǥ 16 4 Testbericht 4/2014; Calendar+Tasks
HK Kalender (4.3@422) 4 $Contains no trackers known to us \o/$ LastUpdate: 2015-10-29 NoSync (private calendar)
Cal: Google Calendar, Calendar Widget & Tasks (4.2@86,117) Ǥ 22 5 LastUpdate: 2016-02-01 Vorstellung 12/2013; Blog 12/2013
WeCal Smart Calendar + Weather (4.2@42,548) 28 4 LastUpdate: 2017-02-20
To-Do Calendar Planner (4.2@31,856) Ǥ 23 $Contains no trackers known to us \o/$
Today Calendar 2017 (4.2@16,368) Ǥ 17 3 LastUpdate: 2016-04-26 / Today Calendar Pro (3.3@7,725; ~EUR 4.50) Ǥ 17 $Contains no trackers known to us \o/$ LastUpdate: 2015-11-20 Test 4/2014; Video Demo 9/2014; Piraten 2/2014; Kurzvorstellung 3/2015; pirates get pirat events added – so better buy it
Gemini Calendar (4.2@4,149) Ǥ 12 4 LastUpdate: 2016-03-04
Etar - OpenSource Calendar (4.2@359) 10 $Contains no trackers known to us \o/$ Github; Test 4/2017; Tutorial 12/2017; Review 5/2019
timee - Organizer, Team Calendar & Group Chat (4.2@342) Ǥ 19 7 Test 2/2017
Advanced Event Calendar (Free) (4.2@34) 9 $Contains no trackers known to us \o/$ LastUpdate: 2017-01-29
Everyday Business Calendar (4.2@32) Ǥ 19 $Contains no trackers known to us \o/$ LastUpdate: 2016-06-19
Calendar Pad (4.1@14,172) Ǥ 9 2 LastUpdate: 2017-03-24
aCalendar - a calendar app for Android (4@83,481) Ǥ 19 3 / aCalendar+ Calendar & Tasks (4.5@30,840; ~EUR 5.00) Ǥ 19 $Contains no trackers known to us \o/$ Testbericht 11/2013; Video Review 11/2013; Kurztest 11/2014; Vorstellung 4/2015; Phone & Tablet optimized
ZenDay: Calendar, Tasks, To-do (4@2,922) Ǥ 22 $Contains no trackers known to us \o/$ 3D-Kalender mit integrierter Todo-Liste
Informant (4@2,874) Ǥ 26 7 Vorstellung 10/2013 | 12/2013
Calendar 2020 - Schedule and reminder (4@245) Ǥ 17 1
M Calendar (calendar, schedule, tasks) (4@218) Ǥ 15 3
Guru Calendar Free (4@131) Ǥ 22 2 LastUpdate: 2014-03-20
Calendar+ Schedule Planner App (3.9@10,563) Ǥ 17 3 / Calendar+ Schedule Planner (3.8@399; ~EUR 5.00) Ǥ 13 1
Calendar, Personal Planner & Diary - Jorte (3.8@203,075) Ǥ 25 11 Video Review 10/2013; Testbericht 11/2013
Personal Calendar Free (3.8@392) Ǥ 11 2 LastUpdate: 2017-03-03 / Personal Calendar (3.8@281; ~EUR 2.00) Ǥ 10 1 LastUpdate: 2017-02-05
Touch Calendar Free (3.7@5,849) Ǥ 5 $Contains no trackers known to us \o/$ LastUpdate: 2017-03-26 / Touch Calendar (3.6@3,538; ~EUR 3.75) Ǥ 4 $Contains no trackers known to us \o/$ LastUpdate: 2017-03-14 Testbericht 11/2013
Checkmark All in One Calendar (3.6@1,084) Ǥ 14 1 LastUpdate: 2014-07-09 mit Feiertags- und Mondkalender
memoCal (3.6@859) Ǥ 7 2 LastUpdate: 2016-12-28 Phone & Tablet optimized
Haroo – Calendar Reminder, Task Scheduler, Note (3.4@467) Ǥ 12 4 LastUpdate: 2018-08-29
Calendar & Schedule (3.2@411) 2 6 LastUpdate: 2015-12-22
Hub Family Calendar Organizer (2.5@2,236) Ǥ 22 3
iPlanner (2@335) 13 2 LastUpdate: 2015-12-04 / Urlaubsplan (2.2@556; ~EUR 2.00) 13 2 LastUpdate: 2015-12-04 Vorstellung 4/2014
LinCal (0@0) 2 $Contains no trackers known to us \o/$ LastUpdate: 2018-02-16 Github; calendar based on text files

Shift Calendars

2020-05-19

Work Shift Calendar (4.7@82,807) Ǥ 21 4
Shift Calendar (since 2013) (4.6@33,030) Ǥ 10 3
MYDUTY - Nurse Calendar (4.6@22,886) Ǥ 30 24
My Shift Planner - Personal Shift Work Calendar (4.6@3,144) Ǥ 11 7
Work Shift Table (4.6@1,375) 9 1
myShiftWork: Shift Work Calendar, Plan & Schedule (4.5@3,876) Ǥ 20 7
Shift Work Calendar (4.4@3,496) Ǥ 8 5
My Work Shifts (4.3@19,031) 8 22
Shift Calendar (4.3@3,090) Ǥ 19 5
Shift Work Calendar (FlexR Pro) (4.3@1,328; ~EUR 4.00) Ǥ 14 3
Work Calendar (4.2@2,053; ~EUR 2.50) Ǥ 14 $Contains no trackers known to us \o/$
Roster-Calendar (4@6,553) Ǥ 7 1
My ShiftWork Free (4@6,179) Ǥ 9 1 / MyShiftWork Pro (3.3@557; ~EUR 2.75) Ǥ 7 1
Your Shift Scheduler (4@1,226) 2
Shift Worker Now (3.9@13) Ǥ 17 $Contains no trackers known to us \o/$ / Shift Worker Pro (4.4@228; ~EUR 4.75) Ǥ 17 $Contains no trackers known to us \o/$ LastUpdate: 2017-04-07
Shift Schedule + Alarm Clock (3.8@9,138) Ǥ 14 5 / Shift Schedule Donation (3.8@458; ~EUR 1.50) Ǥ 1 $Contains no trackers known to us \o/$ LastUpdate: 2015-05-12
WorkOrg: Shift Schedule Organizer (3.8@4,081) Ǥ 12 2
Shift Wage Planer Trial (3.8@557) 13 $Contains no trackers known to us \o/$ / Shift Wage Planer (3.7@799; ~EUR 5.00) 11 $Contains no trackers known to us \o/$
Shift Calendar (Shift Roster) (3.4@2,523) Ǥ 12 3
ShiftCal (0@0) 1 $Contains no trackers known to us \o/$ Github

Also see: Die besten Schichtplaner-Apps für Android (1/2016)

Special Calendars

2020-05-18

There are a bunch of calendars specific to a given detail, such as e.g. holidays, or just offering a tiny addition. I can't list them all, but a small selection here:

World Holidays (5@2) 4 $Contains no trackers known to us \o/$ Github
Ferien & Feiertage (4.6@2,367) 0 $Contains no trackers known to us \o/$ Vorstellung 1/2016
Memento - Birthdays & Namedays Calendar 🎂 🎈 (4.5@1,556) Ǥ 13 4 LastUpdate: 2018-09-01 Github; birthday and nameday app
Deutsche Feiertage & Ferien (4.4@2,432) Ǥ 5 1
Birthdays for Android (4.2@280,134) 8 1 Video Intro 10/2019
Müllmann (3.4@397) 11 2 für alle, die die Tonnen an die Straße stellen müssen
Birthday Calendar (3.3@49) 10 $Contains no trackers known to us \o/$ Github; birthdays of your „social contacts“ (Facebook, Xing, Skype …)
MyMüll.de - Abfall App (3.2@2,330) Ǥ 13 1 für alle, die die Tonnen an die Straße stellen müssen
Abfall-App Abfall+ (3.2@358) Ǥ 11 1 für alle, die die Tonnen an die Straße stellen müssen
MyCalendar (3@25) Ǥ 21 2 LastUpdate: 2014-12-23 / MyCalendar Beta (4.4@34) Ǥ 21 2 LastUpdate: 2015-01-29 Birthdays

Many of these apps carry the term „Tracker“ in their names. Double meaning, be careful. Got 5 minutes? Then, for an explanation, watch this video: No body's business but mine: How menstruation apps are sharing your data …

Period Tracker - Period Calendar Ovulation Tracker (4.9@5,193,810) Ǥ 11 13 Test 2/2017 | 7/2018
Period Tracker (4.9@156,747) Ǥ 7 4
Flo Period tracker, Ovulation & Pregnancy tracker (4.8@1,263,577) Ǥ 12 2 Test 7/2018
Clue Period Tracker, Ovulation & Cycle Calendar (4.8@946,694) Ǥ 17 10 Privatsphäre-Check 11/2019:
Period and Ovulation Tracker (4.8@155,071) Ǥ 7 12
Period tracker & Ovulation calendar by PinkBird (4.8@92,087) Ǥ 15 10
Woman Calendar(free) (4.8@5,456) Ǥ 7 5 LastUpdate: 2017-08-10 / Women's Calendar(crystal) (4.7@1,707) Ǥ 7 4 LastUpdate: 2018-05-19
myNFP Mobile (4.8@358) Ǥ 4 $Contains no trackers known to us \o/$ Datenschutztest 7/2018
Woman diary (calendar) (4.7@100,898) Ǥ 8 3
Period Tracker log28 (4.7@7) 4 $Contains no trackers known to us \o/$ LastUpdate: 2018-08-09 Github
Period Tracker (4.6@349,017) Ǥ 9 23 / Period Tracker Deluxe (4.7@20,232; ~EUR 6.50) Ǥ 8 8
Fertility Friend Ovulation App (4.6@14,216) Ǥ 6 $Contains no trackers known to us \o/$
Ladytimer Period Calendar (4.5@405) Ǥ 8 3 / Ladytimer Ovulation & Period Calendar (4.8@79,909) Ǥ 8 3 / LADYTIMER Period Tracker (4.7@300; ~EUR 4.25) 7 3
WomanLog Period Tracker & Calendar (4.4@127,209) Ǥ 9 11 / WomanLog Pro Calendar (4.7@19,585; ~EUR 3.50) Ǥ 9 5 Test 11/2013
OvuView: Ovulation & Fertility (4.4@43,434) Ǥ 18 4
Bella Period Calendar (4.4@4,147) 6 4
Period Tracker Bloom, Menstrual Cycle Tracker (4.4@3,382) Ǥ 8 11 LastUpdate: 2018-09-15
WECARE Hỏi đáp - Review - Mua sắm (4.4@1,933) Ǥ 17 5
Easy Period Calendar - ovulation 🌼 (4.3@3,062) Ǥ 17 7 LastUpdate: 2018-01-29
Period and Ovulation Tracker (4.3@37) Ǥ 7 1 LastUpdate: 2016-08-24
Period Tracker Mia (4.2@3,158) Ǥ 14 4 LastUpdate: 2018-01-31
Period Tracker & Fertile days (4.2@1,714) Ǥ 7 3 LastUpdate: 2018-03-23
Lady Cycle (4.2@341) Ǥ 8 1 Datenschutztest 7/2018
Fertility Calendar (4.1@360) Ǥ 8 3 LastUpdate: 2017-10-25
Woman Calendar (3.9@690) Ǥ 3 $Contains no trackers known to us \o/$
My Fertility Companion (3.9@101) Ǥ 5 $Contains no trackers known to us \o/$ LastUpdate: 2017-01-20
Menstrual Calendar (3.8@1,668) 7 1 LastUpdate: 2016-11-29 / Menstrual Calendar PRO (3.8@66; ~EUR 2.00) 7 1 LastUpdate: 2017-08-08 Datenschutztest 7/2018
Ovulation Predictor (3.3@3) Ǥ 7 3 LastUpdate: 2015-08-06
drip. menstrual cycle and fertility tracking (0@0) 6 GitLab

Calendar Tools

2020-05-19

Calendar Watcher (4.9@16) 4 $Contains no trackers known to us \o/$ Intro 10/2018; notifications for changes in shared calendars
Calendar Colors (4.6@182) 4 $Contains no trackers known to us \o/$
Polite Droid (4.6@46) 2 $Contains no trackers known to us \o/$ LastUpdate: 2015-03-04 Activates silent mode during calendar events
iCal Import/Export CalDAV (4.5@7,207) Ǥ 19 $Contains no trackers known to us \o/$ / iCal Import/Export CalDAV Pro (4.7@1,757; ~EUR 3.50) Ǥ 18 $Contains no trackers known to us \o/$
TKWeek (4.5@100) 10 $Contains no trackers known to us \o/$ LastUpdate: 2017-09-07 Date conversions
MyLocalAccount (4.3@545) 10 $Contains no trackers known to us \o/$ LastUpdate: 2013-11-18 Provides a "local account" on devices which don't have it by default
Geek Calendar Tool (4.2@130) 3 4
Hebrew events calendar (4@106; ~EUR 0.75) 8 $Contains no trackers known to us \o/$ LastUpdate: 2018-11-26 Converts dates between Hebrew and Gregorian calendars
Calendar Cloner FREE (3.9@30) 6 $Contains no trackers known to us \o/$ LastUpdate: 2017-11-18 / Calendar Cloner (3.9@32; ~EUR 3.50) 6 $Contains no trackers known to us \o/$ LastUpdate: 2017-02-03 Github
ICSx⁵ – sync Webcal & .ics calendars (3.8@177; ~EUR 1.50) 12 $Contains no trackers known to us \o/$
Copy Calendar Events (3.8@56) Ǥ 14 2 / Copy Calendar Events Pro (4.6@35; ~EUR 4.00) Ǥ 14 $Contains no trackers known to us \o/$ LastUpdate: 2018-08-02
Calendar Import - Export (ics) (3.7@312) 6 $Contains no trackers known to us \o/$ LastUpdate: 2017-12-29 Github; Import/export your Android calenders as ics files without using the Google cloud
Calendar Cleanup (3.6@197) 2 $Contains no trackers known to us \o/$ LastUpdate: 2018-01-07 / Automated Calendar Cleaning (4@8; ~EUR 2.00) 3 $Contains no trackers known to us \o/$ LastUpdate: 2017-12-14
Birthdays into Calendar (Free) (3.5@278) 9 $Contains no trackers known to us \o/$ LastUpdate: 2017-01-12 / Birthdays into Calendar (3.8@194) 9 $Contains no trackers known to us \o/$ LastUpdate: 2016-11-02 makes the birthdays from your contacts available as a standard calendar / Github
Offline Calendar (3.4@403) 4 $Contains no trackers known to us \o/$ Github; create "local calendars" which are not synced but stay local
ICS Importer (1.5@791) Ǥ 9 3 LastUpdate: 2017-01-04
Suntimes Calendars (0@0) 4 $Contains no trackers known to us \o/$ Github; provides calendar events for the moon phases, solstices, and equinoxes
Calendar ICS adapter (0@0) 3 $Contains no trackers known to us \o/$ LastUpdate: 2016-05-27 Github; Import and export calendar files
Add to calendar (0@0) 1 $Contains no trackers known to us \o/$ LastUpdate: 2016-06-23 Github; Import .ics files into calendar

Further Readings:

Android-Apps ersetzen: Kalender (3/2020)
Video (~5min): No body's business but mine: How menstruation apps are sharing your data (9/2019)
Zyklus-Apps senden sensible Daten an Facebook (9/2019)
4 of the Best Cross-Platform Calendar Apps (9/2018)
Die besten Kalender-Apps fürs Android-Smartphone (5/2015)
Die besten Kalender-Apps für Android (11/2014 - 12/2016)
Die besten Schichtplaner-Apps für Android (7/2014 - 1/2016)
Today Calendar PRO vs. Jorte Kalender: Welche Kalender-App überzeugt? (7/2014)
SolCalendar vs. DigiCal: Welcher Kalender ist besser? | Google Kalender vs. Business Calendar PRO: Zwei Kalender-Apps im Vergleich (6/2014)
The 10 best calendar apps for Android (1/2014 - 5/2019)
Die besten Kalender-Apps im Überblick (1/2014 - 9/2016)
Die besten Kalender-Apps für Android (12/2013 - 12/2016)
10 Best Calendar Apps For Android To Get It All Done (9/2013 - 1/2017)
The best calendar apps for Android (1/2013 - 12/2017)

2020-06-04

IzzyOnDroid

Calendar (General)

General Calendars

Shift Calendars

Special Calendars

Women Calendar

Calendar Tools