Simon icon Simon
Flexible server monitoring
About the Release Notes

Want to know what has changed since a previous version? This page lists those changes. You can alter the range of release notes to display if you wish.

The latest release of Simon is version 4.3.1.

Display from version to version as Including betas

Simon 4.0
(Release 4010): released 2014-12-17; requires macOS 10.10 or later

Please Note:

Unlimited tests for everyone!

Great new Simon Monitor window design

Attractive new list layouts


Redesigned editors

Integrated preview, including filter output

Can now hide Simon in the Dock

Password protect access

Enhancements to the Email feature

Added a Context filter

Web feature enhancements

More new default tests, services & filters

A great new app icon

Migration from Simon Express and Simon Free

Other changes