Comparison

Calendar Week Nerd vs Weeklet

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

Head to head
About

Calendar Week Nerd

This app offers customizable widgets for your home and lock screens, allowing you to track week progress and navigate your calendar. It supports Apple Watch complications and various custom week setups, including ISO and fiscal years.

Highlights
  • Home and lock screen widgets
  • Custom week start day
  • ISO and fiscal year week numbering
  • Apple Watch app and complications
  • Direct calendar navigation
  • Yearly progress arcs
Features
Read full description

Have your most beautiful week ever. Calendar Week Nerd is the ultimate week companion that respects both aesthetics and technical needs. Whether you just want minimal, colorful week widgets or need full custom week setup with ISO, fiscal years, and 9-day cycles, CWN adapts to you. Features: Beautiful Widgets: Home screen, lock screen, and interactive widgets in all sizes. Custom Week Setup: Choose your start day, fiscal year, week numbering, even 9-day sprints with custom week lengths. Apple Watch App + Complications: See week numbers and progress right on your wrist. Calendar Navigation: Tap any week and jump directly into your calendar app. Week & Year Arcs: Track where you are in the year at a glance. Calendar Week Nerd The perfect week system you didn't know you needed. Privacy Policy: https://calendarweeknerd.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Weeklet

Features
Read full description

A week number is a serial number that identifies each week of the year with a single number. It comes in handy when you plan schedules and track project progress week by week. Weeklet shows the current week number clearly on your Home Screen and Lock Screen. Open the app to instantly browse weekly calendars of the current and upcoming weeks. Widgets can also be shown in StandBy. - Widgets in both Home Screen and Lock Screen - Browse calendars by week - Quickly check week numbers for other dates - Shows the remaining days of the week and the remaining weeks of the year graphically - Follows your settings “Calendar” and “First day of week” on Settings app - Supports Light and Dark Mode - Works with Apple Watch You can also: - Show years and quarters based on your fiscal year - Set your fiscal year’s start and label style - Choose the calendar used to calculate week numbers - Choose the start and end days of your workweek If you have feedback, feel free to contact us at the support page.

Screenshots

Calendar Week Nerd4 screens
Weeklet4 screens

Verdict

The call

The clearest difference is in-app purchases: Weeklet at none against Calendar Week Nerd's 3. Calendar Week Nerd's advantage is update cadence (every 2 weeks vs every 5 months) and iOS requirement (18.4 vs 26.0). On price, ads 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 Week Nerd sells 3 in-app purchases, starting at $1.99 per month. Weeklet asks for nothing beyond the download.

UpkeepUpdate frequency

Calendar Week Nerd ships an update every 2 weeks, Weeklet every 5 months. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Calendar Week Nerd versus Weeklet: the parameters behind the verdict, then further details
ParameterCalendar Week NerdWeeklet
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac, Apple Watch — better
Requires iOS18.4 — better26.0
Further details — not scored
Size161 MB13 MB
Age rating4+4+
DeveloperBalthasar SiekieraHiroaki Matsuno

In-app purchases

3 purchases

Calendar Week Nerd

Subscriptions2
  • CalendarWeekNerd+ Monthly$1.991 Month
  • CalendarWeekNerd Plus Yearly$9.991 Year
One-time1
  • CalendarWeekNerd+ Lifetime$29.99
None

Weeklet

No in-app purchases

Questions

Is Calendar Week Nerd free?
Calendar Week Nerd is free to download, with in-app purchases available.
Is Weeklet free?
Weeklet is free to download, with no in-app purchases.
Do Calendar Week Nerd or Weeklet have ads?
Neither Calendar Week Nerd nor Weeklet shows ads.
Which is updated more often, Calendar Week Nerd or Weeklet?
Calendar Week Nerd ships an update every 2 weeks, and Weeklet every 5 months. Most recently, Calendar Week Nerd was updated on October 24, 2026 and Weeklet on October 24, 2026.

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