Head-to-Head Comparison · Alternative to Backblaze Personal Backup · 💾 cloud storage
Backblaze Personal Backup vs Kopia
Encrypted snapshots to storage you choose; the cloud bill and restore drills are still yours. Here is how Kopia ($0/mo open source) stacks up against Backblaze Personal Backup ($9/mo) across cost, hosting, data privacy, and real-world trade-offs.
Backblaze Personal Backup vs Kopia Specification Matrix
facts verified 2026-08-14
| Dimension | Backblaze Personal Backup (Paid) | Kopia (Replacement) |
|---|---|---|
| Monthly Price | $9 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $108 / yr | $0 / yr (Save $108) |
| 1-Year Cost (5 seats) | $540 / yr | $0 / yr (Save $540) |
| 1-Year Cost (10 seats) | $1,080 / yr | $0 / yr (Save $1,080) |
| Source & License | Proprietary SaaS | open source Apache-2.0 |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopclione-click install |
| GitHub Stars | — | ★ 14k (active aug 2026) |
Deep Dive: Switching from Backblaze Personal Backup to Kopia
Trade-offs, installation & data architecture
What you trade away
Its snapshots are excellent, but the storage account, capacity, billing, scheduling, monitoring, and restore drills are all your responsibility rather than Backblaze's.
How to deploy Kopia
Install KopiaUI or the CLI from native Windows/macOS/Linux packages, then create or connect to a repository
What it takes to run
You must provision and pay for the storage target, enter its credentials, and safeguard the repository password, Kopia cannot recover data if that password is lost.
Where your data lives
Snapshots live in an encrypted, deduplicated, content-addressed Kopia repository on local/NAS, SFTP, WebDAV, object storage, rclone, or supported cloud targets; small blocks are packed into opaque blobs.
Why fork Kopia instead of vibe-coding a Backblaze Personal Backup clone?
A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Backblaze Personal Backup, continuously back up a selected computer to user-owned object storage and test restores. The hard boundary is unlimited backup economics, client reliability, restore logistics, support, and durable infrastructure, plus reliability, durability, and cross-device sync.
Backblaze Personal Backup vs Kopia FAQ
Is Kopia a good free alternative to Backblaze Personal Backup?+
Yes. Kopia is a verified open-source (Apache-2.0) replacement for Backblaze Personal Backup. Encrypted snapshots to storage you choose; the cloud bill and restore drills are still yours.
What is the catch when switching from Backblaze Personal Backup to Kopia?+
Its snapshots are excellent, but the storage account, capacity, billing, scheduling, monitoring, and restore drills are all your responsibility rather than Backblaze's.
How much do you save switching from Backblaze Personal Backup to Kopia?+
Backblaze Personal Backup costs $9/mo ($108/yr) per seat, whereas Kopia is $0/mo. Switching saves $108/yr for a solo user, $540/yr for a 5-person team, and $1,080/yr for a 10-person team.
How do I install or self-host Kopia instead of Backblaze Personal Backup?+
Install: Install KopiaUI or the CLI from native Windows/macOS/Linux packages, then create or connect to a repository. Setup: You must provision and pay for the storage target, enter its credentials, and safeguard the repository password, Kopia cannot recover data if that password is lost.
