Comparison

Week Number widget vs Datum

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

Head to head
About

Week Number widget

This app displays the current week number on your watch complication and companion iPhone/iPad app. Easily navigate month overviews and perform week number calculations using shortcut actions. It offers a simple way to keep track of the current week.

Highlights
  • Watch complication for quick access
  • iPhone/iPad app for month overviews
  • Digital Crown scrolling on Watch
  • Swipe navigation on iPhone/iPad
  • Shortcut actions for calculations
  • Supports watchOS 8+ and iOS 15+
Features
Read full description

A very simple week number Watch complication and accompanying Watch and iPhone/iPad app. See the current week number with a glance at your watch or iPhone/iPad. Scroll through month overviews using the Digital Crown when opening the Watch app, or swipe between months on the iPhone and iPad. Use the shortcut actions to do week number calculations from shortcuts (requires iOS 16+). The app fully supports watchOS 8+ and iOS 15+.

About

Datum

A minimalist calendar application designed for Apple devices, offering a clean interface and customizable widgets for iOS, macOS, and watchOS. View upcoming events, daily schedules, and monthly overviews directly from your home screen or watch face.

Highlights
  • Minimalist calendar interface
  • Lockscreen widgets for iOS
  • Event display widgets
  • Calendar widgets with event marks
  • watchOS calendar and complications
  • Support for iPhone, iPad, Mac, and Apple Watch
Features
Read full description

Datum is a minimalistic iOS, watchOS, macOS and visionOS calendar app. For iOS there are Lockscreen Widgets that show you the current date and there are Lockscreen Widgets that show up to 3 events for today. The iOS and macOS apps include the following widgets: - a small widget that shows the current date and at the bottom the events for this day - a small widget that shows a calendar with up to 3 event marks for each day - a medium widget that shows the same as the first small widget and on the right side a calendar with up to 3 event marks for each day - a large widget that shows the same as the medium widget and a list of the upcoming events - a extra large widget that shows a calendar and a list of the upcoming events (only for iPadOS 15+) The watchOS app shows a calendar with up to 3 event marks for each day. You can switch to the next/previous month by tapping on the arrows at the bottom of the calendar. You can view all events for each day by tapping on a day. There are also complications for all watchfaces included that show you the current date.

Screenshots

Week Number widget2 screens
Datum3 screens

Verdict

The call

The clearest difference is review sentiment: Datum at 100% against Week Number widget's 33%. Datum also leads on device support (5 vs 3). Week Number widget's advantage is update cadence (monthly vs every 3 months) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and iOS requirement 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

Week Number widget costs $0.99 and Datum $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Week Number widget ships an update monthly, Datum every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Week Number widget versus Datum: the parameters behind the verdict, then further details
ParameterWeek Number widgetDatum
Price$0.99 — better$1.99
Rating2.3 (3 ratings) — better—
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings3 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS17.0 — better17.6
Further details — not scored
Size2 MB15 MB
Age rating4+4+
DeveloperLinnet DataMichael Lindinger

Customer experience

Week Number widget

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Datum

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Week Number widget

No in-app purchases

None

Datum

No in-app purchases

Questions

Is Week Number widget free?
Week Number widget costs $0.99, with no in-app purchases.
Is Datum free?
Datum costs $1.99, with no in-app purchases.
Do Week Number widget or Datum have ads?
Neither Week Number widget nor Datum shows ads.
Which is updated more often, Week Number widget or Datum?
Week Number widget ships an update monthly, and Datum every 3 months. Most recently, Week Number widget was updated on November 2, 2026 and Datum on November 3, 2026.

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