OpenDMG
WeekNumber icon

WeekNumber for Mac

Minimal macOS app that displays the current week number in your menu bar.

By BaldrianSector. Free and open source, MIT licence.

Get it with OpenDMG View source on GitHub

WeekNumber at a glance

Version
1.0.0
Released
25 January 2026
Download size
1.1 MB
Works on
Apple silicon and Intel
Licence
MIT
Category
Menu Bar and Notch
Developer
BaldrianSector
GitHub stars
3

About WeekNumber

A simple menu bar app that displays current week.

Screenshots

WeekNumber screenshot 1WeekNumber screenshot 2WeekNumber screenshot 3

How to install WeekNumber on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for WeekNumber and press Get. OpenDMG downloads version 1.0.0 from BaldrianSector's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to WeekNumber show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: WeekNumber.dmg (1.1 MB).

What is new in WeekNumber 1.0.0

Initial release of WeekNumber — an ultra lightweight menu bar app that shows the current week number.

Includes:
 - Multiple label styles (number, W#, Week #, WEEK #, ISO, x/y)
 - ISO week toggle
 - Two‑digit week formatting
 - Simple, menu‑bar‑only UI

More Menu Bar and Notch apps

All Menu Bar and Notch apps