Econ Technologies today announced it has updated ChronoSync, its automated synchronization and backup application for Mac OS X, to version 3.1.1. This release improves the file archiving process by increasing speed and consuming less memory. A more meaningful error message is now generated if a safe-deletion fails. Better handling of files when running under the special Blind Sync mode, and several bug fixes, including a daylight savings time problem. ChronoSync is priced at US$30.00 and a free demo version is available.