Special Calendars & Diaries

Shift Calendars

2026-10-11

Work Shift Calendar (4.7@189,088) Ǥ 28 4
MYDUTY - Nurse Calendar&Alarm (4.7@39,754) Ǥ 31 16
Work Shift Table (4.6@2,073) Ǥ 16 2
My Work Shifts (4.5@24,868) Ǥ 7 2
Shift Schedule + Alarm Clock (4.5@9,783) Ǥ 20 6 / Shift Schedule Donation (3.5@467; ~EUR 2.75) 0 $Contains no trackers known to us \o/$ LastUpdate: 2024-08-06
Shift Calendar (since 2013) (4.4@39,710) Ǥ 18 1
Shift Work Calendar & Planner (4.4@22,762) Ǥ 16 8
Shift Work Calendar (4.4@5,140) Ǥ 14 8
Shift Work Calendar - FlexR (4.3@1,533; ~EUR 5.00) Ǥ 13 2
My Shift Planner - Calendar (4.2@24,746) Ǥ 15 2
Shiftmate -My Roster Scheduler (4.1@1,265) 3 5 LastUpdate: 2024-01-12
Shift Work Schedule Calendar (4@51,557) Ǥ 18 17
Work Calendar (4@2,097; ~EUR 2.50) 13 $Contains no trackers known to us \o/$ LastUpdate: 2021-10-29
Roster-Calendar (3.9@7,155) Ǥ 14 3
Shift Calendar (Roster) (3.9@2,226) Ǥ 21 9
My ShiftWork Lite (3.8@6,447) Ǥ 13 2 / MyShiftWork Pro (3.3@747; ~EUR 2.75) Ǥ 8 2
myShiftWork – Shift Calendar (3.8@4,018) Ǥ 24 6
Shift Wage Planer Trial (3.5@630) 11 2 LastUpdate: 2022-06-13
ShiftSwift (0@0) 16 1 Github

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

Ovulation & Fertility Calendar

2026-10-11

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@4,894,130) Ǥ 20 8 Test 2/2017 | 7/2018
Period Tracker and Calendar (4.8@558,790) Ǥ 13 7
myNFP (4.8@863) Ǥ 7 $Contains no trackers known to us \o/$ Datenschutztest 7/2018
Ovulation & Period Tracker (4.7@455,429) Ǥ 20 8
Period and Ovulation Tracker (4.7@177,826) Ǥ 13 7
Ovia Cycle & Pregnancy Tracker (4.7@81,873) Ǥ 17 8
Flo Zyklus- & Periodenkalender (4.6@5,134,216) Ǥ 13 3 Test 7/2018
Period Tracker (4.6@358,054) Ǥ 15 3 / Period Tracker Deluxe (4.4@20,612; ~EUR 6.50) Ǥ 8 1
Maya - Period & Health (4.6@252,421) Ǥ 23 21
Period tracker by PinkBird (4.6@233,077) Ǥ 15 7
Period Tracker (4.6@231,291) Ǥ 13 7
Bella Period Calendar (4.6@10,795) Ǥ 24 1
Periodical (4.6@178) 1 $Contains no trackers known to us \o/$ Github
Clover: Period & Cycle Tracker (4.5@312,923) Ǥ 14 6
Period Tracker Bloom (4.5@4,739) Ǥ 13 7
Ovulation Tracker App | Glow (4.4@74,244) Ǥ 27 10
Fertility Friend Ovulation App (4.4@18,242) Ǥ 13 $Contains no trackers known to us \o/$
Easy Period Calendar ovulation (4.4@4,228) Ǥ 18 9 LastUpdate: 2023-07-26
Period Tracker & Fertile days (4.4@2,708) Ǥ 7 3 LastUpdate: 2018-03-23
drip period & cycle tracker (4.4@469) 16 $Contains no trackers known to us \o/$ GitLab
Ladytimer Period Calendar (4.3@509) Ǥ 13 6 / Ladytimer Ovulation Calendar (4@87,604) Ǥ 13 4
Clue: Period & Cycle Tracker (4.2@1,501,000) Ǥ 16 2 Privatsphäre-Check 11/2019:
log28 (4.2@22) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-10-19 Github
WomanLog Period Calendar (4@127,125) Ǥ 7 6 / WomanLog Pro Calendar (3.9@20,308; ~EUR 15.00) Ǥ 5 4
Fertility Calendar (4@364) Ǥ 9 3 LastUpdate: 2022-11-07
OvuView: Ovulation & Fertility (3.8@45,191) Ǥ 23 5 LastUpdate: 2025-01-28
Lady Cycle (3.7@453) 5 1 Datenschutztest 7/2018
Euki (3.7@352) Ǥ 11 $Contains no trackers known to us \o/$ privacy check 8/2022
OvulaRing - Zyklusgesundheit (3.2@8) 6 1
Ovy – Contraception Pregnancy (3@4,103) Ǥ 13 4
Bluemoon (0@0) 5 $Contains no trackers known to us \o/$ GitLab
Mensinator (0@0) 6 $Contains no trackers known to us \o/$ Github
Mooneva Private Period Tracker (0@0) Ǥ 6 $Contains no trackers known to us \o/$ Github
Ebb (0@0) 5 $Contains no trackers known to us \o/$ Github
Luteal (0@0) 9 1 Github
Cycluna (0@0) Ǥ 6 $Contains no trackers known to us \o/$ Github

Special Calendars

2026-10-11

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 (4.7@4,975) 11 $Contains no trackers known to us \o/$ Github
Müllmann (4.7@700) 7 3 für alle, die die Tonnen an die Straße stellen müssen
Birthdays: Reminder & calendar (4.4@319,475) Ǥ 16 1 Video Intro 10/2019
BirthDayDroid (4.3@68) 6 $Contains no trackers known to us \o/$ LastUpdate: 2021-12-16 GitLab
Deutsche Feiertage & Ferien (3.7@4,651) Ǥ 6 2
MyMüll.de - Abfall App (3.4@3,005) Ǥ 14 1 für alle, die die Tonnen an die Straße stellen müssen
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 …)
Ferien & Feiertage (3.2@2,498) 3 1 Vorstellung 1/2016
Abfall-App Abfall+ (3.1@565) Ǥ 16 1 für alle, die die Tonnen an die Straße stellen müssen
MyCalendar (3@25) Ǥ 21 3 LastUpdate: 2014-12-23 Birthdays
Date-a-base (0@0) 6 $Contains no trackers known to us \o/$ Github; event calendar
Hebrew Calendar (0@0) 10 $Contains no trackers known to us \o/$ Github; Hebrew date, holidays, zmanim and Omer count on your lockscreen
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
KüA-Plan (0@0) 3 $Contains no trackers known to us \o/$ Codeberg; client for KüA-Plan (self-organized acitivities schedule)
MeeRoo (0@0) 9 $Contains no trackers known to us \o/$ Github; Meeting room reservations
Zanshin Calendar (0@0) 3 $Contains no trackers known to us \o/$ Github; Tibetan and Japanese lunar calendars with their almanac readings

Diaries

2026-10-02

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@2,635) 10 1 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@463,249) Ǥ 22 4 Vorstellung 12/2021; Mood Diary & Happiness Tracker
Life : Personal Diary, Journal (4.7@166,072) Ǥ 20 11
My Diary - Daily Diary Journal (4.6@1,270,088) Ǥ 32 23
DiaryVault: diary with backup (4.6@10) Ǥ 15 $Contains no trackers known to us \o/$ Github
DailyLife: Private Diary, Lock (4.5@71,919) Ǥ 26 7
Mind journal: Diary, Mood trac (4.5@16,111) 11 3 LastUpdate: 2022-08-01
Don’t panic (4.5@3,242) 3 2
jtx Board | journals & tasks (4.3@758) 21 $Contains no trackers known to us \o/$ GitLab; calendar, journal & tasks
Diaro - Diary Journal Notes (4.2@109,149) Ǥ 21 3
Reflectly: Mood Tracker Diary (4.2@40,723) Ǥ 14 2
My Diary & Journal with Lock (4.2@33,916) Ǥ 10 4
eMoods Bipolar Mood Tracker (4.2@4,825) Ǥ 8 $Contains no trackers known to us \o/$
Easy Diary (4.2@761) 19 $Contains no trackers known to us \o/$ Github
Daybook - Diary, Journal, Note (4.1@59,058) Ǥ 18 3
Mood Tracker Emotion Journal (4.1@15,257) Ǥ 14 4
7 Cups: Online Therapy & Chat (3.7@22,260) Ǥ 28 3
Moodflow: Mood Tracker (3.6@3,280) Ǥ 14 6
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
Daily You (0@0) 14 $Contains no trackers known to us \o/$ Github
Journalize (0@0) 7 $Contains no trackers known to us \o/$ Github
Flux (0@0) 10 $Contains no trackers known to us \o/$ Github; Journaling, Notes, and more
Midnight (0@0) 1 $Contains no trackers known to us \o/$ Github; a dream journal
LifeDots - Diary in 8 dimensions (0@0) 7 $Contains no trackers known to us \o/$ LastUpdate: 2022-10-26 Github
Total Recall (0@0) 8 $Contains no trackers known to us \o/$ Github; capture and organize your memories with photos, text, and optional location data
My Diary (0@0) 3 $Contains no trackers known to us \o/$ 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 $Contains no trackers known to us \o/$ LastUpdate: 2024-09-27 GitLab
SimpleDay (0@0) 7 $Contains no trackers known to us \o/$ Github; Markdown & WebDAV Sync
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
OpenJot (0@0) 20 $Contains no trackers known to us \o/$ Github; incl. photos, audio, location stamps, and more

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)

2026-10-15

IzzyOnDroid

Special Calendars & Diaries

Shift Calendars

Ovulation & Fertility Calendar

Special Calendars

Diaries