Yes, both Pro Backup and BackBox offer a Free Trial.
Pro Backup is designed for Individuals, Freelancers, Medium Business and Small Business.
BackBox is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Pro Backup begins at $12/Month when Billed Yearly, while pricing details for BackBox are unavailable.
Some top alternatives to Pro Backup includes SimpleBackups, BackupVault Cloud Backup, CloudAlly Office 365 backup, StorageCraft Cloud Backup, NovaBACKUP Cloud, CloudAlly G Suite Backup, AvePoint Cloud Backup, AOMEI Backupper, AWS Backup and Rewind.
Some top alternatives to BackBox includes Veritas NetBackup, Ahsay Cloud Backup Suite, IBackup, Cloudomation, BackupSheep, Aaronis Cyberprotect Cloud, Automade, BDRSuite, AWS Backup and Panorama9.