Yes, both Fidelius and Backblaze offer a Free Trial.
Fidelius is designed for Large Enterprises, Medium Business and Small Business.
Backblaze is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Fidelius Starts at $4.58/Month when Billed Yearly whereas for Backblaze Starts at $7/Month.
Some top alternatives to Fidelius includes SmartVault, BlueTie Vault, Carbonite, Backblaze, GoodSync, BackupVault Cloud Backup, Dropvault, Azure Key Vault, Posterity Passwords and LawSafe.
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.