Kopia vs Duplicati
Side-by-side comparison of features, pricing, ratings, and alternatives.
Kopia is a fast and secure backup and versioning system for files and directories. It provides a simple and efficient way to manage backups and versions of your data. Kopia is designed to be highly scalable and can handle large amounts of data with ease.
Duplicati is a free, open-source backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. It works with standard protocols like FTP, SSH, WebDAV as well as popular services like Microsoft OneDrive, Amazon S3, Google Drive, box.com, Mega, hubiC and many others.
- Fast and efficient backup and versioning
- Secure encryption to protect data
- Highly scalable and can handle large amounts of data
- Cross-platform and open-source
- Free and open-source
- Supports a wide range of cloud storage services and remote file servers
- Encrypts backups to ensure data security and confidentiality
- Compresses backups to reduce storage space requirements
- Steep learning curve for beginners
- Limited user interface options
- May require additional setup and configuration
- Steep learning curve for beginners
- Limited user interface and user experience
- May require technical expertise for configuration and troubleshooting
More alternatives & similar tools
Alternatives to Kopia
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The Verdict
AI-generated from listing dataBoth tools are free and open‑source, but Kopia excels at raw performance, scalability, and API access, while Duplicati offers broader cloud storage integrations and built‑in compression.
Key differences
- •Kopia provides an API for automation; Duplicati does not.
- •Duplicati integrates natively with many cloud services (OneDrive, S3, Google Drive, etc.); Kopia has no listed cloud integrations.
- •Kopia stores backups locally or self‑hosted with high scalability; Duplicati focuses on remote/cloud storage with compression.
- •Kopia’s primary language is Go and runs via command line only; Duplicati is written in C# and also offers a GUI (implied by UI criticism).
- •Support: Kopia offers email and GitHub Issues; Duplicati relies on community support and documentation.
Pricing & value
Both are free, open‑source solutions with no licensing cost.
Ease of use / learning curve
Both have steep learning curves for beginners, per their cons.
Features & depth
Kopia offers fast incremental backups, versioning, encryption, and an API; Duplicati lacks an API.
Integrations & ecosystem
Duplicati lists native integrations with major cloud providers; Kopia has no specified integrations.
Scalability
Kopia is described as highly scalable and able to handle large data volumes.
Support
Kopia provides email support and GitHub Issues; Duplicati only offers community support.
Security & privacy
Both encrypt backups; Kopia emphasizes secure encryption, Duplicati also encrypts backups.
Choose Kopia if…
Developers or IT teams needing high performance, scalability, and API automation for self‑hosted backups.
Choose Duplicati if…
Admins who prioritize out‑of‑the‑box cloud storage options and built‑in compression.
Common questions
Is there any cost to use either tool?
Both Kopia and Duplicati are free and open‑source.
Can I automate backups via an API?
Kopia provides an API; Duplicati does not.
Which tool supports more cloud storage providers?
Duplicati lists integrations with OneDrive, Amazon S3, Google Drive, Box, Mega, and hubiC.