Calendar Z
Not in any tracked top chart right now.
Updated 19 Oct 2026 · rankings refresh through the day
DeveloperPiyoLog Inc.
CategoryProductivity
PriceFree
Released
Rating★ 4.3 (722)
Version1.7.6
Age rating17+
First seen by us
12 Oct 2026
12 Oct 2026Installs (est.)100k+ worldwide
Rating
4.3 ★
722 ratings
Measured
Calendar Z on the App Store
App details
App ID
1035515136
Publisher
PiyoLog Inc.
On the store since
Sep 2015
11 years on the store
Minimum OS
iOS 16.6+
iPhone 8 and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
17+
1 content note below
Languages
12
AR EN FR DE IT JA KO PT RU ZH ES ZH
Size
12 MB
Also listed in
Lifestyle
Content notesUnrestricted Web Access
Calendar Z downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Calendar Z makes money: subscriptions, one-off purchases and ads.
Ads · 8 ad networks
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.3 ★
722 ratings
Measured
Ratings
722
Measured
About Calendar Z
Calendar Z is a simple yet high-level calendar app.
With an integrated reminder system, it makes schedule management just that much easier.
・Works with the AppleWatch.
・Integrated reminder system. Both reminders and events are displayed on the calendar.
・Works with the iPad's Multitasking feature. Start this app while using other apps by sliding from the sides.
・Set up complicating repeating events, such as "the end of every month", "the last Saturday of each month", etc.
・Display events on the Map, and quickly access links.
・Works with widgets; you can quickly check your schedule.
・Can be displayed in landscape mode. When using side view, event start time is also displayed on the calendar.
・The calendar automatically adjusts; even if you have many events planned they will not be hidden.
・Includes a template function. Register events and reminders to a template to make addition even faster.
・Customize its appearance as you see fit. Change the calendar theme color to your favorite color.
・Change when the week begins as well as the color.
・You can use 3D touch shortcut menu for create new event or reminder.
With an integrated reminder system, it makes schedule management just that much easier.
・Works with the AppleWatch.
・Integrated reminder system. Both reminders and events are displayed on the calendar.
・Works with the iPad's Multitasking feature. Start this app while using other apps by sliding from the sides.
・Set up complicating repeating events, such as "the end of every month", "the last Saturday of each month", etc.
・Display events on the Map, and quickly access links.
・Works with widgets; you can quickly check your schedule.
・Can be displayed in landscape mode. When using side view, event start time is also displayed on the calendar.
・The calendar automatically adjusts; even if you have many events planned they will not be hidden.
・Includes a template function. Register events and reminders to a template to make addition even faster.
・Customize its appearance as you see fit. Change the calendar theme color to your favorite color.
・Change when the week begins as well as the color.
・You can use 3D touch shortcut menu for create new event or reminder.
Latest updates
1.7.6
minor bug fix
