Cette liste présente sous forme chronologique inverse la liste des modifications du Guide utilisateur Simon, pour ceux ayant lu les précédentes versions :
| Date | Révision | Description |
| 2015-08-05 | 4.1b5 | Added a crash page, changed the updates pages, and some other tweaks. |
| 2014-12-16 | 4.0b9 | Removed references to Simon Express & Free, and replaced references to windows with panes. |
| 2013-11-27 | 3.6b1 | Added the Notification Center notifier and plugin pages. |
| 2013-11-27 | 3.6b1 | Added the History filter plugin page, updated the Twitter notifier page, and removed the Twitter service and test pages. |
| 2012-02-18 | 3.4b2 | Updated the Email and SMS notifier plugin pages, and the test Filters page. |
| 2011-11-26 | 3.3b1 | Updated the Ping and Growl plugin pages. |
| 2011-02-26 | 3.0.2 | Added annotations for Simon Express and Simon Free (the Mac App Store editions). |
| 2010-11-20 | 3.0 | Altered the General preferences page to mention the Wi-Fi hotspot feature. |
| 2010-10-25 | 3.0b1 | Several updates for further changes in version 3.0. |
| 2010-10-14 | 3.0b1 | Converted from web pages to a help book, still with web pages. Major redesign to use a help book style, and a slightly different style on the web. Rearranged the pages into a hierarchy. Added filterfeatures. |
| 2009-01-21 | 2.5b1 | Several changes for the Webservice and notifier. |
| 2009-01-18 | 2.5b1 | Added the SMSnotifier. |
| 2008-10-20 | 1.0 | Version française initiale du Guide utilisateur Simon. |