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BusySync allows multiple users to share and edit iCal calendars on a local area network and sync iCal with Google Calendar. BusySync is a Mac OS X System Preference Pane that runs in the background and adds calendar sharing capabilities to iCal. Leveraging Apple Sync Services and Bonjour, calendar events created in iCal are instantly synchronized with other iCal users on the network and with Google Calendar.

  • Google Calendar Synchronization -- Sync iCal with Google Calendar for online read-write access to your calendars from any computer, anywhere.
  • Bonjour networking -- BusySync automatically more...

What's New

Version 2.3.1:
  • Supports OS X 10.8 Mountain Lion Gatekeeper
  • Fixes bug that would cause conflicts to occur when syncing with Google


Mac OS X 10.4 or later

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BusySync User Discussion

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Xanteen Member IconReview+4

Still a great way to connect iCal to Google and iOS devices. Been using it for a few years and had my first issue yesterday. Emailed the logs to the dev and got a reply in minutes that helped me solve my problem.

Reply0 replies
Version 2.3.1
Nick Collingridge Member IconReview+142
Nick Collingridge

Great product. Works extremely well. One of those rare products where these comments are pretty much all that's needed. The only other thing to say is that I wish this product also did the same job for the Address Book.

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Version 2.3
Robertcoogan Member IconReview+107

Definitely a must-have for those who need a quality scheduling app. Had a few very minor bugs on release, the devs have been awesome about addressing them. Well worth the price.

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Version 2.3
Monty Member IconComment+109

Anybody know what happened to busymac? I tried all day to log on to their site but "server not found" is all I get. Did they go out of business?

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Version 2.2.3
Eval Member IconComment+5

Site seems to be down yesterday and today. Weird.

This is the simplest and most reliable way to sync calendars among users on a network. It is expensive relative to the competition though.

Reply2 replies
Version 2.2.3

True more expensive but feature list is much longer than competitors. Depending on your needs you can go with a good free sync app or get busycal and have an all in one ical. Like the dev says it's ical on steroids. Personally I think it is worth the money, especially since it is a one and done cal app which suites my needs. It is fully functional shareware for 30 days though so you get a chance to see if it is worth the $30 they are asking. Remember this is still in beta! Can only get better, unless circumstances the dev can't control prevent further development but I don't think that is the case. I like the app, I like it in conjunction with ideskcal, calendar apps are a hard thing to choose and pay for, each app has it's ups and downs but this seems to have more up's than down's... Good post though man. Definitely points out the big issue of price. +1 from me.


Site is back up. They had some provider trouble, I guess. The URL http://www.busysync.com/ works if your DNS hasn't updated to the new provider.

wintersmith Member IconComment+8

The product itself works well. It fills a puzzling feature gap in iCal, and gets the job done.


The price is nuts. More politely put, it's both deceptive and out of touch. First, it's not actually $25-it's $50, and that's if you're content to sync calendars on a measly TWO machines. I think 3 or 4 machines combined at home and work is pretty average for users most likely to be interested in this utility, but that takes the price up to $75-$100. And no, there's no discount until the 5-licenses mark. 10% off if you spend $125 to $225 for a shareware utility. Gee, thanks dad!

When you consider that $90 will get you Adobe Photoshop Elements and $80 will buy a new 4GB iPod Shuffle, it's difficult to understand why BusyMac would insist on a price like this.

Reply2 replies
Version 2.1.9

I have an iMac, and Air and an iPhone. I have BusySync installed on the iMac and use MobileMe to keep all my iCal's in step. Hence i only need one BusySync license.

True, i needed MobileMe to do this (at ~$99/year), but there are a number of cheap or free ways to sync iCal calendars to give the same effect. The beauty of BusySync is that it syncs between **Google Calendar and iCal**, something that's much harder to do without grief.

And BusySync has done this seamlessly, for me at least. I'm very happy to have purchased it, and i highly recommend it.


weird, my ical and google calendar sync fine. There are instructions on google on how to set it up and its not hard.

AndrewM Member IconComment+13

$25 per computer??? For syncing utility, regardless how good, is simply unacceptable. I use 4 different macs at home and buying 4 licenses for $100 is not what I will do. $25 per home network would be a different story and fully justifiable.

All those "OH's" and "AH's" here with 3 to 5 star ratings smell fishy to me too.

Reply0 replies
Version 2.1.9
ehd Member IconComment+86

Do we still need this with Google's new FREE application called Calabration, downloaded from here:

Can someone tell me why we need to pay for a third party utility? Thanks.

Reply2 replies
Version 2.1.9

:) I know you meant to post this URL:




BusySync put up that comparison. I actually don't use BusySync yet but I plan to download the demo now. I was very hyped up about Google's iCal support, then I realized it only pulls your gCal down to iCal. Personally, I use iCal and would like those calendars to be pushed up to gCal. I'd basically have to delete and recreate all my calendars for this to work.

Not to mention for some reason all the calendars are broken up under their each "folder". For example my appointments calendar is under Google:Appointments.. why? Call me OCD but I find it annoying.

ivanovitch Member IconReview+52

Works like a charm, especially now that the repeating items bug is sorted out. It's worth every cent, even for a group of users. Whilst there are free alternatives available, this offers a more comprehensive suite of tools in a better interface, and the ability to retrieve backups is a deal-maker.

The developers are responsive, and helpful - making the app even more useful and understandable (setup is a bit confusing because there are numerous options).

All in all, great value, and a 'set-and-forget' app that does what it promises.

Reply0 replies
Version 2.1.8
ARCTOS Member IconReview+3

I used the trial version, and it was nice & handy. Now, spending a bit of time w/google calendar & the iCal > Preferences > accounts > add account (+), I'm not sure where I see the value in this app at $25.00 US per computer.

Yes, the google calendars mean that you have to have a new account for each sub-calendar in google, but, I've saved myself $50.00, I still have security (my google calendars are not public). Hence the shorter stars. Yes, we all need to make a living, but, there are other options out there for those willing to spend the time.

I suppose I'd consider buying it if I didn't need a license for every computer - I need to pay bills too!

Get it for free -


Reply2 replies
Version 2.1.7

You don't get it. BusySync makes possible over-the-air syncing of Google calendars AND subscribed calendars via MobileMe to the iPhone. It isn't possible otherwise.


Google Calendars synced to iCal are Read Only when you sync them to the iPhone which means you can not enter / change anything using your iPhone.

So in case you use an iPhone and want to use the free google calender instead of a terribly expensive mobile me subscription to get a Mac/iphone and Web based calendar solution, BusySync will pay of after just 3 months (compared to subscribing to mobile me).

So it makes perfect sense to me, at least as long as Apple does'nt provide a way to make google calender items writable on the iPhone.


user icon+2
Version 2.3
user icon+
Version 2.3
> 5 18


Current Version (2.x)


Downloads 19,114
Version Downloads 2,597
License Demo
Date 24 Jul 2012
Platform Intel 64 / OS X / PPC 32 / Intel 32 / PPC 64
Price $39.00
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