Yes, both Cloudback and Backblaze offer a Free Trial.
Cloudback is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Backblaze is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Cloudback Starts at $10/Month whereas for Backblaze Starts at $7/Month.
Some top alternatives to Cloudback includes Carbonite, Backblaze, SimpleBackups, BackupVault Cloud Backup, StorageCraft Cloud Backup, Handy Backup, IBackup, BackHub, Bakup.io and AWS Backup.
Some top alternatives to Backblaze includes Carbonite, BackupVault Cloud Backup, CloudAlly Office 365 backup, IDrive Online, Livedrive, Jungle Disk Encrypted Cloud Backup, Data Deposit Box, CloudAlly G Suite Backup, IBackup and AWS Backup.