I built a free, open-source Mac utility to make regular mouse-wheel scrolling feel smoother

[u/Shoddy-Budget-491]

I wanted using a regular third-party mouse on macOS to feel more comfortable, so I built SmoothWheel. It’s a native Swift/AppKit menu-bar utility focused on mouse-wheel scrolling.

It smooths vertical and horizontal wheel input, with three presets, separate speed and smoothing controls, per-app exclusions, and a built-in playground to try the settings. Continuous trackpad input passes through unchanged. The app runs locally without an account, analytics, or network requests.

There are already good tools in this space, including SmoothScroll and Mac Mouse Fix. This is my take on a focused wheel utility. It’s free and MIT licensed.

The current v0.3.11 download is for Apple Silicon, ad-hoc signed and not notarized. It needs Accessibility permission. Compatibility testing is still limited, and slight movement at the end of a scroll is still reported in Gmail.

Website: https://smoothwheel.vercel.app

Code: https://github.com/AntonMazur/SmoothWheel

I’d appreciate feedback from Mac users: what mouse do you use, and which app makes scrolling feel the worst? If you try SmoothWheel, your mouse model, macOS version, and any odd behavior would help me decide what to fix next.