SourceTree: setup SmartSynchronize 3.3 as External Diff tool on OS X

SourceTree: Version (

OS X: 10.9 (Mavericks)

SmartSynchronize: 3.3

1. Download SmartSynchronize 3.3 (Download link), and install it.

2. In SourceTree, go to SourceTree > Preferences, and select the 'Diff' tab

3. Under 'External Diff / Merge' section type the following in the 'Diff Command' field (note: SmartSynchronize downloads with spaces in the app's version name, I removed them, just to be sure, as you can see below):


4. Next to it, under 'Arguments' type the following:


Hope this helps someone.

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I thought I'm just going to put it out here as it took me a great deal of time to figure this out, not finding anything precise about it.

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