OneTimeSuite Blog · 2026

Carbonite Alternative That You Only Pay For Once: Syncvault

Carbonite is one of the better-known subscription tools in its space — and at $8/mo or $95.99/yr (Safe, 1 computer), one of the recurring line items people most often look to replace. If you're searching for a Carbonite alternative you pay for once and own forever, Syncvault is the OneTimeSuite answer: $29, one time.

Why people go looking for an alternative

Carbonite runs $8/mo or $95.99/yr (Safe, 1 computer), and like most SaaS the bill never stops — cancel and you typically lose access to your own history. That's roughly $288 over three years. Syncvault flips that model: Local backup agent that encrypts client-side and pushes to your own S3-compatible bucket or NAS.

What Syncvault covers

  • Client-side AES-256-GCM — Key is derived from your passphrase with scrypt, never uploaded and never stored in plaintext.
  • Content-addressed dedupe — Objects are keyed by SHA-256 of content, so identical or unchanged files upload exactly once.
  • Point-in-time versioning — Keep the last N versions of every file and browse the backed-up tree as of any point in time to restore.
  • BYO destinations — Any S3-compatible endpoint (AWS, B2, Wasabi, R2, MinIO) or a plain local/network folder, mixed per folder.
  • Per-folder scheduling — Manual, continuous, hourly or daily per folder, with deletion tombstones that track removed files without losing history.

The honest trade-off

Carbonite will keep shipping features, integrations and managed infrastructure that a pay-once tool won't chase — if that ecosystem is genuinely load-bearing for your workflow, staying is a fair call. For the core job, the math favors owning the tool: $29 once against $8/mo or $95.99/yr (Safe, 1 computer) forever. A 100 GB backup is $29 once plus ~$7/yr of storage versus $108/yr on Backblaze — it pays for itself in about four months, then it's just bytes.

Also worth reading

Syncvault's main head-to-head is with Backblaze Personal — see the detailed comparison or the product page for the full feature list, FAQ and demo video.

Try Syncvault — $29, once

Local backup agent that encrypts client-side and pushes to your own S3-compatible bucket or NAS.