Sync Folders Pro is ideal for backup to external media such as: USB, memory card, disk drives on remote computers in your network folder in the Cloud services (Dropbox, etc) It supports bi-directional synchronization!

Application for beginners.
* 2 Select a folder for synchronization.
* Set the sync mode or use the default mode. You do not need to worry about the other parameters, they are set to the recommended.
* Click the "Sync current task" and your folder will be synchronized!

Business applications.
Organize instant synchronization of documents between the staff of your organization by using the "Real Time Sync". Your employees will always have the latest versions of documents for work. This mode allows you to instantly synchronize documents in folders with many files. "Real Time Sync" runs on 10.8 and later.

9 synchronization modes.
* 4 file comparison mode allows you to synchronize media files to a different file systems (OS X, FAT32, etc.)
* You can turn the application into a handy file manager with powerful filters for files and folders, and writing your own script up.
* Synchronization over the network. Automatically mount network folders to sync.
* Automatic shutdown network folders after synchronization.
* Protection against unauthorized off drives (folders) during synchronization.
* Saving the last / all versions of files to delete. In this mode, you are insured against accidental deletion of files, and can always restore deleted files, even if you re-synchronize multiple times.
* Quick view of recent changes in synchronized folders and the Finder integration.
* Synchronize attributes subfolders.
* Writing your own copy files, for example:
* Copy all the files are not synchronized to the selected folder before copying.
* Checksum file before copying.
* Copying files using Unix commands: cp, rsync ...

The main difference from similar apps on App Store:
* You can try the free version before buying. We do not hide from you the quality, speed and stability of the application.
* Real bidirectional synchronization. Tracking deletions, additions, changes in synchronized folders.
* Faster synchronization for non-synchronized files larger than 50,000.
* "Real Time Sync" mode.
* 4 synchronization status in the "Menu Bar" (Auto Sync is enabled, the synchronization is performed, the number of synchronized tasks, synchronization has ended with errors or folders were not available).

What's new in version 3.2.5
* Starting Compare & Sync Folders (application with a powerful preview mode) from the Menu Bar.
* Improved compatibility with OS X El Capitan.
* Added Ukrainian localization.
* Improved Italian localization.

v.3.x:
* Confirm delete synchronization task.
* Improved mode "Recent Developments" (optimized for operation with a large number of elements).
* Added a mode of "prevention of sleep when the computer is enabled Auto-sync".
* Additional monitor the synchronization process.
* Added "Cancel Sync" in the Menu Bar.
* Improved synchronization process.
* The ability to cancel the synchronization process while reading the file structure.

OS - MacOSX 10.7 or Later