SmoothSync for Cloud Calendar

SmoothSync for Cloud Calendar

50,000 - 100,000 downloads

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SmoothSync for Cloud Calendar syncs your iCloud calendars and reminders. Due to its implementation as sync adapter it integrates seamlessly with the native calendar app and widgets and operates invisible in the background.

Also, check out SmoothSync for Cloud Contacts to sync your iCloud contacts!

Important note for Android 4.1 and Samsung users: To prevent the removal of your accounts on reboot install this app (before you install SmoothSync):

Please note that there is a new issue in Android 4.4:
It causes accounts to be removed when an app is updated. Installing the workaround app should help.

Get support and news via email or via Twitter at

The app is designed to be as user friendly as possible. So, just enter your account data, select your calendar and SmoothSync will keep your calendars in sync.

This app will create new calendars on your device (one for each calendar in your iCloud account). It will not sync calendars of other account (like Google) to iCloud.

Please, if you find a bug send me an email. Without detailed error description I often can't do anything especially when I can't reproduce it.

Important! If your phone removes the accounts on reboot, move the App back from SD card to the phone. Some phones (if not all) can't handle sync adapters on SD Card properly.

The last screen shot shows the calendar selection dialog of the event editor of the stock calendar app.

Thanks to the guys at for their support!!

* two-way-sync
* supports multiple accounts
* supports subscribed calendars
* initial support for attachments (Android 4.1 or newer, doesn't work with all calendars apps)
* supports reminders if this app is installed:
* multiple calendars per account
* automatic calendar discovery
* automatic sync of calendar colors and names
* syncs multiple alarms
* time zone support
* customizable sync interval (default: 4h, local changes will be synced almost immediately)
* synchronizes entire calendar
* encrypts passwords

known limitations:
* no "push" support (yet)

iCloud and Apple are trademarks of Apple Inc., registered in the U.S. and other countries. The author of this app is not related to Apple in any way.

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Recently changed in this version

Please install the workaround app before you upgrade if you're using Android 4.4 (see the app description). Also, please contact us if something doesn't work as expected.

new in 1.8.2:

improve authentication
improve compatibility with webcal servers that don't behave nicely
improve color picker

Comments and ratings for SmoothSync for Cloud Calendar
  • (75 stars)

    by Paul Ratazzi on 04/04/2014

    This app allows our family of different smartphones to keep our calendars in sync. We designated one iCloud account as the 'family master' and the Android devices sync with that using this app. I can choose whether to add to the synced calendar or keep th

  • (75 stars)

    by Andrea Padoan on 02/04/2014

    It works as specified. Now my iPhone Mac contacts are shared with my android tablet.

  • (75 stars)

    by Alan Berridge on 02/04/2014

    Does the impossible and gets iCloud and gmail calendars to play nice. Use with Cal and your able add appointments to iCloud.

  • (75 stars)

    by Lino Gottardo on 01/04/2014

    I looked for something that let me use both my macbook and Android phone. This product syncs them with any issues

  • (75 stars)

    by Richard Shim on 01/04/2014

    Wasted my $3 on this pos. All settings quadruple checked, and no icloud events are synced in my Google calendar. Complete waste of money, I'd like a refund.

  • (75 stars)

    by Aiden Condron on 31/03/2014

    Really Good!

  • (75 stars)

    by Danielle Sedlacek on 30/03/2014

    I reluctantly switched from iphone to android and surprisingly fell in love with it. However, was still missing the ability to sync my calendar. This app made me do some snooping for my icloud email but wow. One touch of a button and its a done deal. Than