Comparison

Calendar Z vs Week Plan Calendar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calendar Z

A straightforward yet powerful calendar application designed for efficient schedule management. It features an integrated reminder system, supports Apple Watch, and offers advanced options for recurring events and event display.

Highlights
  • Integrated reminder system
  • Apple Watch compatibility
  • Advanced repeating event setup
  • Event display on Map
  • Widget support
  • Template function for quick event addition
  • Customizable appearance
Features
Read full description

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.

About

Week Plan Calendar

A visually clear weekly calendar app that syncs with your device's native calendar and reminders. It offers multiple widgets for at-a-glance viewing and advanced configuration options for each calendar.

Highlights
  • Weekly overview with multi-day event clarity
  • Works with calendar events and reminders
  • Multiple widgets for iOS, iPadOS, and macOS
  • Lock screen widgets with live countdown
  • Analogue dial visualization of upcoming events
  • Yearly plan view and holiday calendar integration
  • Alerts for scheduling conflicts
Features
Read full description

A clearly designed calendar based on the classic weekly overview. No login required because the app works on the calendar/reminder data of the operating system. FEATURES - Multi-day events are shown upright on the right hand side, contributing to extraordinary high clarity. - Works with both calendar events and (checkable) reminders. - 4 for 1: iOS, watchOS, iPadOS and macOS App (Ventura + M1 required) can be used in parallel after download. - The "Today" widget shows upcoming entries (live countdown included) - The "Clockface" widget visualizes the events of the next 10 hours on an analogue dial. - All widgets also available on the lock screen. - Optional year plan view (incl. calendar weeks). - Event Templates + Shift Planner Mode - Integration of Apple Health menstruation cycle data. - Calculation of break times. - Alerts scheduling conflicts during creation of new events. - Watch app including complications "Today" & "Clockface". - Overview of all overdue reminders. - "holiday calendar": its entries make the days look like weekends - calendar day can be shown on app icon - combined view of event duplicates - (iOS, iPadOS): Speech entry of new events (iPhone needs to be hold to the ear) CONFIGURATION PER CALENDAR - Show in year plan - Show event locations - Cross-calendar appointment overlaps - Summary of consecutive events - Timeline in weekly and day views 10-DAY WEATHER FORECAST (premium feature) - available as yearly in-app subscription with auto-renewal - see privacy: https://www.pentabyte.de/applications/iOS/Wochenplan/ - see terms of use / EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ DISCLAIMER - No notifications. Recommendation: continue to use the iOS calendar for reminders. This is generally the best way to do it because it also notifies you about changes to shared calendars in real-time.

Screenshots

Calendar Z3 screens
Week Plan Calendar4 screens

Verdict

The call

The clearest difference is ads: Week Plan Calendar at none against Calendar Z's shown. Week Plan Calendar also leads on review sentiment (94% vs 65%) and rating (4.6 vs 4.3). Calendar Z's advantage is ratings volume (722 vs 35). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calendar Z sells 1 one-off in-app purchase and Week Plan Calendar sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Week Plan Calendar holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Calendar Z has 722 ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 65% of Calendar Z's written reviews are positive against 94% of Week Plan Calendar's.

UpkeepUpdate frequency

Calendar Z ships an update every 5 weeks, Week Plan Calendar every 2 weeks. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

Scorecard5 real differences · 5 level
Calendar Z versus Week Plan Calendar: the parameters behind the verdict, then further details
ParameterCalendar ZWeek Plan Calendar
PriceFreeFree
Rating4.3 (722 ratings)4.6 (35 ratings) — better
Positive reviews65.1% of reviews94.4% of reviews — better
Number of ratings722 — better35
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS16.6 — better17.6
Further details — not scored
Size12 MB12 MB
Age rating17+4+
DeveloperPiyoLog Inc.Michael Hoereth

Customer experience

Calendar Z

All ratings723 ratings
Positive82.4%
Neutral8.0%
Negative9.5%
Written reviews358 reviews
Positive65.1%
Neutral15.6%
Negative19.3%

Week Plan Calendar

All ratings34 ratings
Positive94.1%
Neutral2.9%
Negative2.9%
Written reviews36 reviews
Positive94.4%
Neutral5.6%
Negative0.0%

Bugs and requests

Calendar Z

Reported bugs

4 issues
  • Events disappearing or not saving properly
  • Incorrect date/time display and sync issues
  • Crashes or freezes after updates
  • Compatibility problems with newer iOS versions

Requested features

5 requests
  • Ability to view and restore past events
  • Improved sync and cross-device functionality
  • More customization options for layout and colors
  • Easier event management (editing, deleting, repeating)
  • Better notification system and controls

Week Plan Calendar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Calendar Z

One-time1
  • Disappear Ads$1.99
1 purchases

Week Plan Calendar

Subscriptions1
  • Weather Forecast for 1 Year1 Month trial$4.991 Year

Questions

Is Calendar Z free?
Calendar Z is free to download, with in-app purchases available.
Is Week Plan Calendar free?
Week Plan Calendar is free to download, with in-app purchases available.
Which has better reviews, Calendar Z or Week Plan Calendar?
Week Plan Calendar is rated higher. Calendar Z averages 4.3 out of 5 from 722 ratings, while Week Plan Calendar averages 4.6 from 35 ratings.
Do Calendar Z or Week Plan Calendar have ads?
Calendar Z shows ads; Week Plan Calendar does not.
Which is updated more often, Calendar Z or Week Plan Calendar?
Calendar Z ships an update every 5 weeks, and Week Plan Calendar every 2 weeks. Most recently, Calendar Z was updated on November 11, 2026 and Week Plan Calendar on November 12, 2026.

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