# AirScroll > AirScroll is a macOS menu bar app that brings smooth, natural scrolling to third-party mice. It replaces the default stepped scroll behavior with a customizable inertia engine — similar to how a trackpad feels. ## Pages - [Home](https://airscroll.net/): Landing page. Overview of features, reviews, FAQ, and download links. - [Product / Pricing](https://airscroll.net/product): Purchase page. Free 22-day trial, then $8.99/year subscription or lifetime purchase. Powered by Paddle. - [Installation Guide](https://airscroll.net/installation-guide): Step-by-step guide to install and configure AirScroll on macOS, including accessibility permissions and first-launch setup. - [Best Smooth Scrolling for Mac](https://airscroll.net/best-smooth-scrolling-for-mac): Comparison of macOS smooth scrolling apps (AirScroll vs Mos vs SmoothScroll). - [Changelog](https://airscroll.net/changelog): Release history with version notes, bug fixes, and new features. - [Blog](https://airscroll.net/blog): Tips and tutorials about smooth scrolling and macOS productivity. - [Blog: How to Change Scroll Direction on a Mac](https://airscroll.net/blog/change-scroll-direction-mac): Guide to reversing scroll direction on macOS independently for mouse and trackpad. ## Key Facts - Platform: macOS only - License model: 22-day free trial, then $8.99/year or one-time lifetime purchase - Distribution: Direct download (ZIP/DMG) and Homebrew (`brew install --cask airscroll`) - Auto-updates: via Sparkle framework - Support: support@airscroll.net - Current version: 1.3.3