Amazon S3 vs Backblaze Personal Backup
A detailed comparison to help you choose between Amazon S3 and Backblaze Personal Backup.
Quick Verdict
4.2/5
Amazon S3
198 reviews
4.4/5
Backblaze Personal Backup
323 reviews
Backblaze Personal Backup is rated higher (4.4 vs 4.2). AWS S3 stores and retrieves unlimited amounts of data via a simple web interface. Built for developers, enterprises, and anyone needing reliable, durable cloud storage with pay-as-you-go pricing. Backblaze Personal Backup offers unlimited computer backup for $9/month. Backs up your Mac or PC continuously in the background. No file size limits, no throttling.
 Amazon S3 Scalable object storage for any data size or type | Backblaze Personal Backup Unlimited Mac/PC backup for $9/month | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (198 reviews) | 4.4 (323 reviews)✓ |
| Pricing model | freemium | paid |
| Starting price | Free tier available✓ | From €9/mo |
| Best for | Teams building on AWS who need reliable, scalable object storage for backups, data lakes, static content, or application data. | Mac and PC users wanting truly unlimited cloud backup at the lowest monthly price available |
| Tags | ||
| Tags | free tiers3 compatibleapi accessus datacentereu datacenterapac datacenterterraform provider | mobile app |
| Visit Amazon S3 → | Visit Backblaze Personal Backup → | |
Amazon S3
Pros
- + Store unlimited data with predictable per-GB pricing
- + Achieve 99.999999999% durability through automatic redundancy
- + Integrate directly with EC2, Lambda, RDS, and other AWS tools
- + Use lifecycle rules to automatically move data to cheaper storage tiers
- + Control access granularly with IAM policies and bucket policies
Cons
- - Data transfer out of AWS incurs egress charges that can add up quickly
- - API requests have per-1000-request pricing; high-frequency access patterns get costly
- - Requires AWS account setup and understanding of bucket configuration for security
Backblaze Personal Backup
Pros
- + Unlimited backup storage for $9/month
- + No file size limits
- + Continuous background backup
Cons
- - Personal computers only — not server backup
- - 30-day file version history
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