ContactSync - CardDAV and more

ContactSync - CardDAV and more

1,000 - 5,000 downloads

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ContactSync is an Android app which allows you to sync your Android contacts with CardDAV, FTP, HTTP, WebDAV servers or local files (stored on the device or e.g. as a mail attachment). There are also a lot of additional features available. All this can also be done independent from the Google services.

You can test the app and all its features without any limitations by installing this free special test version here:

•Using a self-created parser which supports complex and more features than other contact sync applications.
•Supporting vCards in all availbale versions (4.0, 3.0 and 2.1).
•Supporting much more android contact fields then other apps (IMPORT and EXPORT).
•Contact photos can also be automatically be loaded from the web!
•Importing contacts stored on the android device (.vcf or .vcard).
•Importing multiple .vcf files at once.
•The app will be associated to this files too.
•Importing contacts which have been attached to mails.
•Backup all the contacts and groups available on your device to .vcf files.
•Fingerfriedly user interface.
•Load, parse and sync contact infomration direct from the Internet from different sources.
•Supporting different ways of handling double contacts:Ignoring, Replacing, Merging
•Supporting groups (native groups in vCard 4.0 and mapping of categories in vCard 3.0 and 2.1)
•Automatic background sync
•Supporting network sources for contact information.
•Supporting CardDAV (supports syncing from and to a server (two way sync))
•Easy and simple configuration through automatic addressbook detection (CardDAV)
•Supporting HTTP/HTTPS (supports syncing from and to a server (two way sync))
•Supporting FTP/FTPS (supports syncing from and to a server (two way sync))
•Supporting WebDAV/WebDAVs (supports syncing from and to a server (two way sync))
•Supporting two way syncs to local files (useful if you e.g. use that in combination with a cloud data store)
•Supporting self signed certificates
•Multi-language: Currently English, German, French(Thx Yann).
If you are interested in translating the app in other languages please contact me and I will then send you an invitation to a translation project.

Interesting features for large-scale orders:
•Setup and configure your server connections through adb
•Licensing for large-scale orders

The app handles more contact/group data then other apps e.g.:
address, birthdays, anniversaries, custom events, categories, groups, notes, email, instant messages, name, nickname, organizations, photos (also high res), relations, phonetic names, websites, roles, titles, Apple specific extensions, Mime dir groups, Android specific extensions, self defined custom labels

The app has been sucessfully tested with more then 30 different CardDAV Servers like Apple iCloud or Owncloud. You can find a list here:

You can find detailed information to the permissions at my website.

If you mention any problems please contact me at If you add problems to to comments I can NOT help you because I need some information about your configuration and so on. I'm sure that I can help you to reach your goals and that I can provide the necessary support :)

Tags: file extension contactsync, carddav synology, contacts2vcf, contact, cvf in kontakt konvertieren, carddav sync geburtstage, 40 kontaktfelder, contact in vcard, sync contact cvf google, contact sync.

Recently changed in this version

If you mention any problems please contact me at I'm sure that I can help you to reach your goals and that I can provide the necessary support :)

enhanced handling of quoted printable encoded data
enhanced loading files from an external data storage
licence id can now easly be copied to the clipboard
you can now also test the connection at the professionel config mode (for HTTP(S), WebDAV, FTP(S), CardDAV and periodic sync with local files

Comments and ratings for ContactSync - CardDAV and more
  • (72 stars)

    by Tim Legg on 20/03/2014

    I researched for hours to try to get my google contacts into my galaxy s3. Then I came upon this app. Along with the work around app, it worked perfectly! Went to the vCard file on my phone, selected it to be opened with this app, and parsed the files. No

  • (72 stars)

    by Eir Apps on 02/03/2014

    I haven't found another app that does the sync properly. No flaws, so far.

  • (72 stars)

    by Hector G. on 10/02/2014

    It works great when it works but I lose my contacts on reboot.

  • (72 stars)

    by Morten Jakobsen on 20/01/2014

    I wanted to use this application with my current contact book (abook) on my Debian box. However when I imported the contacts, there were no info in the address book. I wrote to the developer, and got a reply a short while after. After some more emailing w

  • (72 stars)

    by Stamatis Zarifakis on 04/12/2013

    Had a problem after updating to KitKat. Got it solved with help from developer within a day. Without data loss! Now everything works again flawlessly. Great App. Great support.

  • (72 stars)

    by Mark Spencer on 01/12/2013

    Finally one vcf import tool that works!!! I was using mobilego which asked me $29/year just to keep the contacts! After uninstall of mobilego it erased my vcf data. This tool is one-time process and absolutely worth the price. It's very cheap. Support fro

  • (72 stars)

    by Simon Haywood on 06/11/2013

    Works as advertised, and great support from the developer. Thanks!