Nook used to be a browser extension, however with the changes bought in Chrome Manifest v3, it was decided that the browser extension was too difficult to maintain, and Nook was repurposed into a desktop app.

Features over the browser version include:
<ul><li>New slick interface</li><li>New rain sounds (in-game, no-thunder)</li><li>Town tunes (and customization)</li><li>Multilingual support (English, Spanish, French, German, and Chinese)</li><li>Offline mode</li><li>Population growing snowy and cherry blossom themes</li><li>New horizons rainy and snowy themes</li><li>Pocket camp themes</li><li>Random mode</li><li>All K.K. Slider songs</li></ul>