Notched Up 1.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app was originally designed by Ohanaware Co., Ltd. We recommend checking the downloaded files with any free antivirus.
From the developer:
Add a simulated Notch to your Mac for fun or to help test compatibility with your Mac applications.
Notched Up adds a simulated Notch to your Mac, to help with testing applications, for fun or to include with screenshots to demonstrate app compatibility.
Includes templates for the most popular sizes and customization options to work on any sized screen.
You may want to check out more Mac applications, such as Stockfish Chess, Total Video Player For Mac or Storyist, which might be similar to Notched Up.