Special Calendars & Diaries

Shift Calendars

2025-11-20

Work Shift Calendar (4.6@179,084) Ǥ 27 4
MYDUTY - Nurse Calendar&Alarm (4.6@37,469) Ǥ 30 15
My Work Shifts (4.6@24,599) Ǥ 7 2
Work Shift Table (4.6@2,073) Ǥ 15 2
Shift Calendar (since 2013) (4.4@39,647) Ǥ 17 1
Shift Work Calendar (4.4@22,338) Ǥ 16 8
Shift Work Calendar (4.4@4,269) Ǥ 13 3
Shift Schedule + Alarm Clock (4.3@9,833) Ǥ 19 6 / Shift Schedule Donation (3.5@467; ~EUR 2.75) 0
WorkOrg: Shift Schedule (4.3@5,551) Ǥ 14 2 LastUpdate: 2023-05-23
Shift Work Calendar - FlexR (4.3@1,521; ~EUR 5.00) Ǥ 13
Shift Calendar (Roster) (4.2@1,998) Ǥ 21 7
Shift Work Schedule Calendar (4.1@48,120) Ǥ 16 28
My Shift Planner - Calendar (4.1@19,411) Ǥ 15 2
Work Calendar (4.1@2,099; ~EUR 2.50) 13 $Contains no trackers known to us \o/$ LastUpdate: 2021-10-29
Shiftmate -My Roster Scheduler (4.1@1,265) 3 5 LastUpdate: 2024-01-12
Roster-Calendar (4@7,159) Ǥ 12 2
My ShiftWork Lite (3.8@6,461) Ǥ 13 2 LastUpdate: 2024-04-09 / MyShiftWork Pro (3.4@732; ~EUR 2.75) Ǥ 8 1 LastUpdate: 2024-04-08
Shift Worker Now (3.8@21) Ǥ 17 $Contains no trackers known to us \o/$ LastUpdate: 2019-03-13
Shift Work Calendar (3.7@4,113) Ǥ 25 6
Shift Calendar (Shift Roster) (3.5@2,621) Ǥ 14 3 LastUpdate: 2022-03-20
Shift Wage Planer Trial (3.5@630) 11 2 LastUpdate: 2022-06-13
ShiftCal (0@0) 7 $Contains no trackers known to us \o/$ Github

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

Ovulation & Fertility Calendar

2025-11-22

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 …

LILY Period Tracker, Pregnancy, Ovulation Calendar (5@7,736) Ǥ 12 7 LastUpdate: 2022-02-26
Period Calendar Period Tracker (4.9@4,806,534) Ǥ 19 7 Test 2/2017 | 7/2018
Period Tracker and Calendar (4.8@535,427) Ǥ 11 12
Ovulation & Period Tracker (4.8@442,878) Ǥ 19 7
Period Tracker (4.7@361,262) Ǥ 14 5 / Period Tracker Deluxe (4.5@20,618; ~EUR 6.50) Ǥ 8
Maya - Period & Health (4.7@251,206) Ǥ 22 9
Period tracker by PinkBird (4.7@232,163) Ǥ 15 7 LastUpdate: 2022-09-29
Period and Ovulation Tracker (4.7@178,317) Ǥ 12 7
Ovia Cycle & Pregnancy Tracker (4.7@80,492) Ǥ 17 7
myNFP (4.7@830) Ǥ 8 $Contains no trackers known to us \o/$ Datenschutztest 7/2018
Flo Zyklus- & Eisprungkalender (4.6@4,602,730) Ǥ 13 3 Test 7/2018
Bella Period Calendar (4.6@10,798) Ǥ 24 1
Clover－Period & Cycle Tracker (4.5@273,911) Ǥ 11 6
Period Calendar (4.5@219,732) 7 6 LastUpdate: 2022-10-16
Woman Calendar(free) (4.5@6,504) Ǥ 7 4
Periodical (4.5@148) 1 $Contains no trackers known to us \o/$ Github
Ovulation Tracker App | Glow (4.4@72,886) Ǥ 29 10
Fertility Friend Ovulation App (4.4@18,171) Ǥ 14 $Contains no trackers known to us \o/$
Period Tracker Bloom (4.4@4,692) Ǥ 12 7
Period Tracker Mia (4.4@4,387) Ǥ 14 5 LastUpdate: 2020-07-10
Period Tracker & Fertile days (4.4@2,692) Ǥ 7 3 LastUpdate: 2018-03-23
drip period &fertility tracker (4.4@342) 14 $Contains no trackers known to us \o/$ GitLab
Easy Period Calendar ovulation (4.3@4,227) Ǥ 18 9 LastUpdate: 2023-07-26
Ladytimer Period Calendar (4.3@509) Ǥ 12 4 / Ladytimer Ovulation Calendar (4.4@88,539) Ǥ 12 4
Clue Cycle & Period Tracker (4.2@1,422,465) Ǥ 16 2 Privatsphäre-Check 11/2019:
WomanLog Period Calendar (4.2@129,987) Ǥ 8 7 / WomanLog Pro Calendar (4.1@20,302; ~EUR 5.00) Ǥ 7
log28 (4.2@22) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-10-19 Github
OvuView: Ovulation & Fertility (3.8@45,705) Ǥ 23 5
Euki (3.8@233) 5 $Contains no trackers known to us \o/$ privacy check 8/2022
Lady Cycle (3.7@444) 5 1 Datenschutztest 7/2018
Ovy – Contraception Pregnancy (3.1@4,068) Ǥ 13 4
Fertility Calendar (2@372) Ǥ 9 3 LastUpdate: 2022-11-07
Bluemoon (0@0) 5 $Contains no trackers known to us \o/$ GitLab
Mensinator (0@0) 2 $Contains no trackers known to us \o/$ Github
OvulaRing - Zyklusgesundheit (0@0) 6 1

Special Calendars

2025-11-20

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:

DeuFeiTage (5@5) 1 $Contains no trackers known to us \o/$ LastUpdate: 2023-03-11 Codeberg
Birday - Birthday Manager (4.6@4,471) 11 $Contains no trackers known to us \o/$ Github
Birthdays: Reminder & calendar (4.5@319,163) 9 1 LastUpdate: 2022-09-10 Video Intro 10/2019
BirthDayDroid (4.3@68) 6 $Contains no trackers known to us \o/$ LastUpdate: 2021-12-16 GitLab
Birthday Calendar (3.4@59) 10 $Contains no trackers known to us \o/$ LastUpdate: 2020-03-23 Github; birthdays of your „social contacts“ (Facebook, Xing, Skype …)
Deutsche Feiertage & Ferien (3.3@4,490) Ǥ 4 2
MyMüll.de - Abfall App (3.3@2,946) Ǥ 14 für alle, die die Tonnen an die Straße stellen müssen
Müllmann (3.3@455) 10 2 für alle, die die Tonnen an die Straße stellen müssen
Abfall-App Abfall+ (3.2@549) Ǥ 16 für alle, die die Tonnen an die Straße stellen müssen
Ferien & Feiertage (3.1@2,504) 3 1 Vorstellung 1/2016
MyCalendar (3@25) Ǥ 21 3 LastUpdate: 2014-12-23 Birthdays
Holidayz (0@0) 1 $Contains no trackers known to us \o/$ Github; Public and Regional Holidays for 100+ Countries
Vedroid Events (0@0) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-09-24 GitLab; birthday/event reminder
MeeRoo (0@0) 9 $Contains no trackers known to us \o/$ Github; Meeting room reservations

Diaries

2025-11-30

Contact Diary (5@8; ~EUR 1.25) 4 $Contains no trackers known to us \o/$ LastUpdate: 2023-09-25 Github
Ein guter Plan: Achtsamkeit (4.8@2,408) Ǥ 10 2 Mindfulness and reflection
History of Me (4.8@6) 2 $Contains no trackers known to us \o/$ LastUpdate: 2022-11-21 Github
Daylio Journal - Mood Tracker (4.7@439,771) Ǥ 15 4 Vorstellung 12/2021; Mood Diary & Happiness Tracker
My Diary - Daily Diary Journal (4.6@1,184,030) Ǥ 32 16
Life : Personal Diary, Journal (4.6@160,245) Ǥ 20 11
Don’t panic (4.6@3,079) 4 2
DiaryVault: diary with backup (4.6@10) 14 $Contains no trackers known to us \o/$ Github
DailyLife - My Diary, Journal (4.5@70,835) Ǥ 25 4
Mind journal: Diary, Mood trac (4.5@16,152) 11 3 LastUpdate: 2022-08-01
Diaro - Diary Journal Notes (4.4@109,201) Ǥ 22 3 LastUpdate: 2023-12-30
Mood Log (4.4@1,326) Ǥ 8 3 LastUpdate: 2020-12-17
jtx Board | journals & tasks (4.4@594) 21 $Contains no trackers known to us \o/$ GitLab; calendar, journal & tasks
Daybook - Diary, Journal, Note (4.3@56,816) Ǥ 18 5
Reflectly: Mood Tracker Diary (4.2@40,720) Ǥ 14 3
My Diary & Journal with Lock (4.2@33,836) Ǥ 10 4
eMoods Bipolar Mood Tracker (4.2@4,796) Ǥ 8 1
Easy Diary (4.2@707) 18 $Contains no trackers known to us \o/$ Github
Mood Tracker Emotion Journal (4.1@15,056) Ǥ 14 4
7 Cups: Online Therapy & Chat (3.8@21,980) Ǥ 28 3
Moodflow: Mood Tracker (3.7@3,256) Ǥ 15 2
Activity Diary (3.3@20) 6 $Contains no trackers known to us \o/$ LastUpdate: 2022-01-24 Github
FoCal (0@0) 3 $Contains no trackers known to us \o/$ LastUpdate: 2024-01-30 GitLab; photo calendar
Arora Calendar (0@0) 6 $Contains no trackers known to us \o/$ LastUpdate: 2022-01-31 lets you attach notes and photos
Daily You (0@0) 10 $Contains no trackers known to us \o/$ Github
Journalize (0@0) 7 $Contains no trackers known to us \o/$ Github
LifeDots - Diary in 8 dimensions (0@0) 7 $Contains no trackers known to us \o/$ LastUpdate: 2022-10-26 Github
domodel-diary (0@0) $Contains no trackers known to us \o/$ LastUpdate: 2020-06-18 Github
Personal Log (0@0) 2 $Contains no trackers known to us \o/$ LastUpdate: 2020-09-07 GitLab
Daily Diary (0@0) 3 $Contains no trackers known to us \o/$ Github
HabsGleich (0@0; ~EUR 3.00) 1 $Contains no trackers known to us \o/$ GitLab
OneShot (0@0) 0 $Contains no trackers known to us \o/$ LastUpdate: 2023-06-06 Github; photo diary to remind you of the special moments
Baby Buddy for Android (0@0; ~EUR 2.00) 3 $Contains no trackers known to us \o/$ Github; your little one‘s early days Needs (free/libre) self-hosted server component
Dog Sports Diary (0@0) 3 $Contains no trackers known to us \o/$ Github
Diary (0@0) 5 $Contains no trackers known to us \o/$ LastUpdate: 2024-03-13 Github

Further Readings:

Datenschutzfreundliche Perioden-Apps: Zyklus-Tracking ohne Tracking (9/2025)
Auskunftsrechte: Zyklus-Apps verstoßen gegen Datenschutzrichtlinien (9/2023)
Viele Menstruations- und Schwangerschaftsapps erfassen sensible Daten (and forward them to Facebook & Co; 8/2022)
The 5 Best Bullet Journal Apps for Effortless Bullet Journaling (1/2022 - 6/2023)
The 7 Best Apps for Tracking Fertility and Ovulation (1/2022)
Sammelklage gegen Menstruations-App wegen Datenschacher (9/2021)
Top 15 Best Work Shift Calendar Apps (7/2021 - 3/2023)
10 Best Shift Work Calendar Apps to Stop You Missing Out (7/2021)
The 8 Best Free Period Tracking Apps for Android (7/2021 - 9/2022)
8 Android Diary Apps That You Can Lock Just Like a Real Diary (7/2021)
Zyklus-Apps senden sensible Daten an Facebook (9/2019)