Choose Duplicati if you need
- Integration with Amazon S3, Azure Blob Storage or Google Cloud. We haven't found them on Spanning's website.
- SSO. We haven't found it on Spanning's website.
At a glance
- Duplicati has a free plan. We haven't confirmed one for Spanning.
- Spanning offers a free trial (length not stated). We haven't confirmed one for Duplicati.
- Duplicati's lowest paid plan is Pro at $2 per machine per month, billed annually, as of November 14, 2026.
- They list no integrations in common.
- Only Duplicati lists SSO.
- Only Spanning lists SOC 2, ISO 27001, GDPR and HIPAA.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Spanning if you need
- Integration with Salesforce or Autotask. We haven't found them on Duplicati's website.
- SOC 2, ISO 27001, GDPR or HIPAA. We haven't found them on Duplicati's website.
Duplicati
Nobody has reviewed Duplicati yet. Its rating shows once it has 3 reviews.
Review Duplicati
Spanning
Nobody has reviewed Spanning yet. Its rating shows once it has 3 reviews.
Review SpanningThe facts
- What it does
- DuplicatiA free, open-source backup solution with zero-trust, fully encrypted backups for your data.
- SpanningCloud backup and recovery for Microsoft 365, Google Workspace and Salesforce data.
- Free plan
- DuplicatiYes
- SpanningNot confirmed
- Pricing
- DuplicatiPer machine, monthly (billed yearly)
- SpanningNot confirmed
- Paid plans from
What they share
From the platforms and integrations each website lists.
Integrations
BothNone in common
Only Duplicati
- Amazon S3
- Azure Blob Storage
- Google Cloud
- Dropbox
- OneDrive
- Backblaze
Only Spanning
- Salesforce
- Autotask
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Duplicati and Spanning yet.
Used either of them?
Your review makes this comparison better for the next person. Review Duplicati or review Spanning.