ContactSync trial app icon

ContactSync trial

Syncs your contacts with files and servers - CardDAV, FTP, HTTP, WebDAV

Memotoo · com.vcard.android.free

Not rated yet 10K+ downloads v10.0 4.7 MB Android 2.2+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v10.0 (223)
Updated
Aug 28, 2025 (1 year ago)
APK size
4.7 MB
Requires
Android 2.2+ (API 8)
CPU support
Any (no native code)
Category
Productivity (app)
Listed since
Feb 16, 2021 (at least)
Permissions
28 (11 sensitive)
Website
ntbab.dyndns.org/apache2-default/seite/index.html
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

ContactSync trial is an app by Memotoo in the Productivity category, listed since at least February 2021. It has no native code, so it runs on any Android processor.

It asks for 28 permissions, 11 of them sensitive, including precise location, location in the background and read contacts.

Description

From the listing uploaded by “appupdater”.

ContactSync syncs your contacts. From and to contact files stored on your device but also with various servers using CardDAV, FTP, HTTP, and WebDAV. Including Cloudstorage, third party apps, and mail attachments. A quick overview of the most important features is given below. This is a free test version of the app. Use it to check out all its features for two weeks. To continue after the trial period you can get the full version here: https://play.google.com/store/apps/details?id=com.vcard.android You would like to access the next major update bringing a novel user interface, new features, and guidance/support system? Then check out the open beta test here: https://play.google.com/apps/testing/com.vcard.android.free The app has been successfully tested with more then 50 different CardDAV Servers like Nextcloud, iCloud, Synology, or Owncloud. You can find a list of tested systems here: http://ntbab.dyndns.org/apache2-default/seite/carddavproviderCE.html Overview of the most important features: ⊛Comprehensive support - Questions or suggestions? Simply write me a mail. ⊛Syncs with many different sources - CardDAV, WebDAV, FTP, HTTP, Cloudstorage, local files, mail attachments and many more (Of course, it also supports encryption and two-way sync) ⊛Complex configuration? No worries, the app guides you through all the steps ⊛Create backups or archive your contacts manually or automatically ⊛Flexibility - There are already contacts/groups stored on the device which should be pushed to the server? Do you need individual sync intervals for each of your contact data sources? No worries, this is possible! ⊛Designed for high speed and resilient address book synchronization ⊛Seamless integration with your device and your preferred contact apps ⊛Secure: All the sensitive information are encrypted before they are stored ⊛No secrets, you can - if you wish - always see what is happening and why ⊛Supports complex address books situations, servers and clients ⊛Supporting vCards (contacts/groups) in all available versions (4.0, 3.0, and 2.1) ⊛Supports self-signed certificates ⊛Can create calendar entries for birthdays, anniversaries and other events ⊛Unique solutions for a variety of common and rare tasks. Do you have special requirements? Then the app is likely your solution. ⊛New device? Switch from trial to full version? Simply export\backup your configuration and import it on the new device or the full version ⊛The app handles more contact/group data than other apps, an overview is given at http://ntbab.dyndns.org/apache2-default/seite/contactsync.html ⊛Multilingual: Supports English, German and partly French, Russian If you are interested in translating the app then simply send me a mail. Interesting features for large-scale orders: ⊛Setup and configure your server connections through adb ⊛Licensing for large-scale orders Permissions: You can find detailed information about the permissions on our website. If you struggle with the configuration or need some assistance please contact me at [email protected]. If you only add your questions to the comments I can hardly help you because I commonly need more 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 :)

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Aug 28, 2025.

Store checks and file details

  • Developer signature verified Aug 28, 2025
  • Validated against Google Play Aug 28, 2025
  • Signed byOU=NTBAB, L=Vienna, ST=Vienna, C=AT
  • Signing certificate (SHA-1)4F:ED:E5:A8:3D:83:0B:AD:D7:81:19:77:D0:8D:86:53:90:2D:60:AE
  • File MD59e1b8a3b0818078b75fe93af162c85f9
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (28)

ContactSync trial requests 28 permissions, 11 of them sensitive.

Required hardware & features

ContactSync trial APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the ContactSync trial APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 9e1b8a3b0818078b75fe93af162c85f9.

Tags

More Productivity apps