Yes, both BackupSheep and IBackup offer a Free Trial.
BackupSheep is designed for Freelancers, Medium Business and Small Business.
IBackup is designed for Large Enterprises, Medium Business and Small Business.
Pricing for BackupSheep Starts at $25/Month whereas for IBackup Starts at $9.95/Month.
Some top alternatives to BackupSheep includes Carbonite, Backblaze, SimpleBackups, BackupVault Cloud Backup, NovaBACKUP Cloud, Handy Backup, IBackup, BDRSuite, Bakup.io and AWS Backup.
Some top alternatives to IBackup includes BackupVault Cloud Backup, IDrive Online, Livedrive, NovaBACKUP Cloud, Jungle Disk Encrypted Cloud Backup, ADrive Enterprise, MyPCBackup, ZipCloud and BDRSuite.