Comet Backup vs Duplicati
Comet Backup
cometbackup.com
Duplicati
duplicati.comSide by side
| Figure | Comet Backup | Duplicati |
|---|---|---|
| Price from | $19/mo | $0.50/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 10 | 6 |
| Spec score · Backup software | 9.3 (#3) | 9.2 (#6) |
| Spec score · NAS Backup Software | 9.1 (#4) | 9.0 (#7) |
| Spec score · Cloud Backup Services | 9.1 (#5) | 8.9 (#8) |
| Backup scope | The feature comparison lists workstation, server, NAS, virtual-environment, SaaS, database, file-and-folder and system-state backup options. | mixed |
| Computer backup | Yes | Yes |
| Encryption | Comet says data is encrypted before storage, during transfer and at rest, using AES-256-CTR with Poly1305 authentication. | Encrypts data locally with AES-256 before it reaches the network or cloud. |
| Free plan | No | Yes |
| Supported platforms | web,windows,macos,linux,self_hosted | Windows,macOS,Linux |
| Ransomware protection | The official comparison includes ransomware protection with S3 Object Lock as a security feature. | Yes |
| Restore modes | mixed | mixed |
| Server backup | Yes | Yes |
| Paid from | 19 | 2 |
Plans
Comet Backup
- Starter$19 a month
- Growth$49 a month
- Professional$49 a month
- Advanced$99 a month
- EnterprisePrice not published
- Starter$19 a month
- Growth$49 a month
- Professional$49 a month
- Advanced$99 a month
- EnterprisePriced on request
Duplicati
- FreeFree
- Pro$2 a month
- Enterprise$3 a month
- Additional storage$0.60 a month
- Microsoft 365 backup$0.50 a month
- Google Workspace backup$0.50 a month
In their own words
Comet Backup
Comet Backup has no write-up on Specifiction yet; its figures are above.
Duplicati
Duplicati is backup software for Windows, macOS and Linux, covering computers and servers. It can back up desktops, laptops, local servers, NAS devices, Microsoft 365, Google Workspace and S3 buckets. Destinations include S3, WebDAV, SFTP and local hardware; cloud data can also be copied to an on-prem SAN or private S3 cluster. Data is encrypted locally with AES-256 before transfer, and only changed blocks are sent. Retention settings can remove older backups or keep a chosen number. Administrators can distribute backup configurations to clients, delegate local management to regional IT staff and isolate clients in sub-organizations. One subscription supports unlimited clients and endpoints. The free plan provides an insights dashboard, monitoring for up to two machines and access to the last 200 backups. Pro adds alerts, AI analysis, remote management, retention, storage and priority support. Enterprise adds organization management, configuration assistance, SSO with MFA, agent deployment and credential management. Pro is $2/mo billed annually; Enterprise is $3/mo billed yearly and requires at least 10 machines.