YKYH Picks
☰ Menu
Home›Developer Tools›pyrefly
CLI Open source 1,598 installs/mo Trending 4.68×

pyrefly for Mac

Fast type checker and IDE for Python

Quick answer: pyrefly is a developer tool for macOS. Install it with brew install pyrefly. It is distributed under the MIT licence. It has 1,598 Homebrew installs in the last 30 days.

What pyrefly is

pyrefly is a developer tool for macOS: fast type checker and IDE for Python.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. It is distributed under the MIT licence.

How to install pyrefly

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install pyrefly.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

Similar apps in Developer Tools

Closest apps in the same category, ordered by description similarity and install base. These are related tools, not confirmed substitutes; the comparison pages cover hand-picked head-to-head matchups.

FreelensKubernetes IDEAppOpen source1,418/moPyCharmIDE for professional Python developmentApp1,338/moGoogle Antigravity IDEAI Coding Agent IDEApp1,352/moOpenLensOpen source build of Lens Kubernetes IDEAppOpen source872/moAnaconda DistributionDistribution of the Python and R programming languages for scientific computingApp1,049/moIntelliJ IDEA UltimateJava IDE by JetBrainsApp2,808/mo

Frequently asked questions

How do I install pyrefly on Mac?

Run brew install pyrefly in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is pyrefly open source?

Yes — Homebrew distributes it under the MIT licence.

Does pyrefly run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is pyrefly?

It was installed 1,598 times in the last 30 days according to Homebrew analytics, ranking #764 in this catalogue.

What version of pyrefly is current?

The latest packaged version is 1.4.0.