Duplicati vs Backblaze B2
A detailed comparison to help you choose between Duplicati and Backblaze B2.
Duplicati Free open source backup to any cloud storage | Backblaze B2 S3-compatible storage at a quarter of AWS S3 pricing | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (323 reviews) | 4.5 (110 reviews)✓ |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | Home users and small businesses wanting free encrypted GUI backup to their existing cloud storage | Developers and startups who need S3-compatible storage at the lowest possible price and don't require EU data residency |
| Specifications (entry plan) | ||
| CPU cores | — | 0 vCPU |
| RAM | — | 0 GB |
| Storage | — | 0 GB |
| Bandwidth | — | 0 TB/mo |
| SLA uptime | — | 99.9% |
| Data-center count | — | 2 |
| Features | ||
| IPv6 | ||
| DDoS protection | ||
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ||
| Free tier | ✓ | |
| Data-center locations | ||
| Regions | — | United States |
| Tags | ||
| Tags | free tieropen source | free tiers3 compatibleus datacenterapi access |
| Visit Duplicati → | Visit Backblaze B2 → | |
Duplicati
Pros
- + Completely free with web UI
- + Supports 20+ cloud storage backends
- + Strong AES-256 encryption
Cons
- - Occasional reliability issues reported
- - Less active development recently
Backblaze B2
Pros
- + $6/TB/month — significantly cheaper than AWS S3
- + Free egress when paired with Cloudflare
- + S3-compatible API — drop-in replacement
Cons
- - US-only datacenters — no EU data residency option
- - No EU-based storage
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