py2app
Freezes Python scripts into standalone Mac OS X applications.
- Status
- Generally available
- Last checked
- Aging · Sep 2, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Py2app is a tool that converts Python scripts into standalone Mac OS X applications, making it easier to distribute your software without requiring the end user to have Python installed. It's particularly useful for developers who need to package their applications for distribution on macOS.
Py2app stands out for its simplicity and effectiveness in converting Python scripts into standalone applications specifically for macOS users, without requiring them to have a Python environment installed.
When it fits — and when it doesn’t
A good fit for
Python developers looking to package and distribute their applications on macOS
Developers needing to create self-contained executables without requiring the user to install Python
Look elsewhere if
Developers targeting platforms other than Mac OS X, as py2app is specific to this operating system.
Projects that require cross-platform compatibility out of the box.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited to macOS environments
py2app is specifically designed for creating standalone applications on Mac OS X and does not support other operating systems like Windows or Linux.
- 02
Complex setup process
Requires a detailed understanding of Python packaging, environment management, and macOS application structure to properly configure and build the standalone applications.
- 03
Poor documentation for advanced configurations
While basic usage is well-documented, more complex scenarios such as customizing application behavior or handling specific dependencies are not thoroughly covered in the official documentation.
- 04
Performance overhead due to bundling Python interpreter
The resulting standalone applications include a full Python runtime which can increase the size of the final executable and potentially affect performance compared to native applications.
What it does well
Converts Python scripts into standalone Mac OS X applications
Supports packaging of dependencies and resources within the application bundle
Provides flexibility in customizing the application's appearance and behavior
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up py2app
Setup steps, common gotchas and what to check after 30 days.