ChronoSync 4.9.6, now available free to registered users from Econ Technologies (https://www.econtechnologies.com/index.html), improves macOS 10.15 (Catalina) compatibility and reliability. 

New in ChronoSync 4.9.6 is the ability to convert existing HFS+ Formatted backup volumes to the new APFS Volume Group required for Catalina Bootable Backups. Alongside the release of ChronoSync, the ChronoAgent 1.9.4 maintenance update is available for immediate download by registered users.

ChronoSync, the multipurpose Mac App for local and cloud backup, bootable backup and folder synchronizing is designed to work on macOS version 10.11 and newer. Full working trial licenses are available or purchase ChronoSync for $49.99. 

ChronoAgent 1.9.3, the companion app to ChronoSync, allows any Mac to accept direct, secure, high performance connections from any ChronoSync Mac or any InterConneX iOS device to access or transfer data for $14.99. Full working trial licenses are available for either App. InterConneX is the file storage, file management, and file sharing iOS app for the iPhone and iPad.