Quick answer: The strongest IDrive alternatives are Backblaze, Carbonite and Acronis True Image. Backblaze is the closest match for most users; the others trade off on price, features or focus. All 6 are compared below on pricing, strengths and best use case.
IDrive is a solid cloud backup tool — Backs up unlimited devices (PC, Mac, mobile, servers) into one account at a very low per-TB price, with disk-based courier recovery. But perhaps you've hit a limit, or simply want to compare before committing. Here are the strongest alternatives worth a look, with what sets each apart.
Each option below works in the same broad space as IDrive; the right swap depends on which trade-off matters most to you.
~$8.99/mo Backup unlimited (1 PC); Pro Suite ~$25/mo adds Briefcase + multi-device
unlimited-backup
The alternatives in detail
Backblaze Cloud Backup
Unlimited personal computer backup for one flat price, plus B2 object storage that undercuts AWS S3 on price and egress. Consider it if personal-backup is your priority.
Unlimited single-computer backup paired with the cheapest mainstream S3-compatible object storage.
Stands out for:
Unlimited Personal Backup for one computer at a flat price (incl. attached external drives)
B2 Cloud Storage S3-compatible object storage at ~$6/TB/month
Free egress on B2 up to 3x average monthly storage, then ~$0.01/GB
Pricing: Personal Backup ~$9/mo or ~$99/yr unlimited (1 computer); B2 ~$6/TB/mo · Best for: personal-backup, developers
Set-and-forget unlimited automatic backup for a single computer, a long-standing consumer/SMB backup brand (OpenText). A good swap when you care most about personal-backup.
Veteran set-and-forget unlimited backup for a single computer, now under OpenText.
Stands out for:
Automatic continuous backup with unlimited storage for one computer (personal)
Set-and-forget scheduling with encryption in transit and at rest
Courier recovery (physical disk) on the Prime tier
Pricing: ~$8.34/mo (~$99.99/yr) Safe Basic unlimited (1 computer); Plus/Prime and business tiers higher · Best for: personal-backup, set-and-forget
Full disk-image backup combined with built-in anti-malware/anti-ransomware in one consumer cyber-protection product. A good swap when you care most about disk-imaging.
Full disk-image backup fused with built-in anti-ransomware in one cyber-protection product.
Stands out for:
Full disk-image backup and cloning, not just file backup
Built-in anti-malware and anti-ransomware (Active Protection) on higher tiers
Cloud backup storage on Advanced (~250-500GB) and Premium (up to 10TB) tiers