Notion Boost is described as 'Chrome and Firefox extension to make Notion more productive and less distractive. Add 20+ customizations to Notion like sticky outline, small text & full width by default,scroll to top button, hide slash command menu, and more' and is an app in the web browsers category. There are three alternatives to Notion Boost for a variety of platforms, including Notion, Microsoft Edge, Google Chrome, Mozilla Firefox and Mac apps. The best Notion Boost alternative is notion-enhancer, which is both free and Open Source. Other great apps like Notion Boost are NotionPlus - Rich Notion Widgets and Notion Mate.