Download of SynciOS Data Transfer 3.2.3 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within System Tools, more precisely Device Assistants. The actual developer of this Mac application is Anvsoft Inc. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
SynciOS Data Transfer is a program that helps you transfer almost all files, including contacts, video, SMS, photos, call logs, music, Ebook and apps between phone to phone.
To avoid losing important data, it is very necessary to backup all important files to your Mac so that you can easily get them back whenever you lost them.
You may want to check out more software for Mac, such as SynciOS Data Recovery for Mac, Backuptrans Android iPhone Data Transfer + for Mac or Backuptrans iPhone Data Transfer, which might be similar to SynciOS Data Transfer.
Backup & Restore
iPhone & iPad