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KopiaLens vs KopiaUI and Kopia CLI
See how KopiaLens compares with KopiaUI, the Kopia command line and other backup apps.
Run backups on a schedule
- KopiaLens
- KopiaUI
- kopia CLI
- With a kopia server
Run in the background, from the tray
- KopiaLens
- KopiaUI
- kopia CLI
- As a server
Browse, restore and mount snapshots
- KopiaLens
- KopiaUI
- kopia CLI
Edit policies, retention and exclusions
- KopiaLens
- KopiaUI
- kopia CLI
Alerts when a backup fails
- KopiaLens
- KopiaUI
- kopia CLI
Verify snapshots
- KopiaLens
- KopiaUI
- kopia CLI
Home Assistant add-on
- KopiaLens
- KopiaUI
- kopia CLI
AI agents, with your approval for removals
- KopiaLens
- KopiaUI
- kopia CLI
Task history and audit logs, kept for months
- KopiaLens
- KopiaUI
- kopia CLI
- Log files
Physical size of each folder after deduplication
- KopiaLens
- KopiaUI
- kopia CLI
Space freed by deleting a snapshot
- KopiaLens
- KopiaUI
- kopia CLI
Search files across every snapshot and repository
- KopiaLens
- KopiaUI
- kopia CLI
Churn: what changes every night
- KopiaLens
- KopiaUI
- kopia CLI
Simulate a retention policy
- KopiaLens
- KopiaUI
- kopia CLI
- Current policy only
Folders on your disks that no backup covers
- KopiaLens
- KopiaUI
- kopia CLI
Delete snapshots
- KopiaLens
- KopiaUI
- kopia CLI
Remove files from existing snapshots
- KopiaLens
- PROYes, with Pro
- KopiaUI
- kopia CLI
- Manual
Preview the space a removal frees
- KopiaLens
- KopiaUI
- kopia CLI
Price
- KopiaLens
- Free, Pro from $20
- KopiaUI
- Free
- kopia CLI
- Free
KopiaLens vs other backup apps
Thinking of switching? Here's how KopiaLens compares with the backup app you use now. Switching backup apps
| Feature | KopiaLens | BlinkDisk | Replicaro | Duplicati | UrBackup | Duplicacy | restic | Backrest | Borg | Arq | Hyper Backup |
|---|---|---|---|---|---|---|---|---|---|---|---|
| What it is | Backup app that shows what's inside | Simple Kopia-based app | Free app for restic and Kopia | Open-core backup app | Client/server backup system | Dedup backup engine | Backup command line | Web app for restic | Dedup archiver | Commercial desktop app | Synology's built-in backup |
| Backup format | Kopia, incl. BlinkDisk vaults | Kopia | restic or Kopia | Duplicati's own | UrBackup's own | Duplicacy's own | restic | restic | Borg | Arq's own | Hyper Backup's own |
| Platforms | Windows, macOS, Linux, Docker, NAS, Home Assistant | Windows, macOS, Linux | Windows, macOS, Linux, Docker | Windows, macOS, Linux, Docker | Windows, Linux, BSD | Windows, macOS, Linux, BSD | Windows, macOS, Linux, BSD | Windows, macOS, Linux, BSD, Docker | Linux, macOS | macOS, Windows | Synology NAS |
| How you use it | Desktop app or browser | Desktop app | Desktop app | Web interface | Web interface on a server | Web interface or command line | Command line | Web interface | Command line; Vorta and Borg UI add one | Desktop app | Synology's web interface |
| Scheduled backups | In the licensed Web Edition | With cron or a scheduler | With cron, systemd or a GUI | ||||||||
| Encrypted and deduplicated | Deduplicated; encrypted in transit | ||||||||||
| Cloud storage (S3, B2 and more) | Server's own disks | SSH and local drives | |||||||||
| Real folder sizes and the space you'd free | Whole-repository graphs | ||||||||||
| Remove files from old backups | Pro, with a preview | Whole snapshots only | purge command | Whole backups only | Whole revisions only | rewrite command | With restic's command line | recreate command | Whole backups only | Whole versions only | |
| Best for | Seeing inside your backups and cleaning them up | Simple setup, managed cloud option | One simple app for restic or Kopia | Imaging, Microsoft 365, the most storage types | Many machines from one server, disk images | Many machines backing up to one place at once | Mature, scriptable, big ecosystem | A headless web UI for restic | Long track record, append-only mode | Polished Mac app, vendor support | Zero-setup backup on a Synology |
| Price (November 2026) | Free; Pro $20/year or $50 lifetime at launch | Free; managed storage from $3/month | Free | Free core; paid imaging and console | Free | CLI free for personal use; GUI from $20 the first year | Free | Free | Free | $59.99 per computer; Premium $69.99/year | Free with DSM |
Facts and prices checked November 2026. Spotted something out of date? Email support@kopialens.com and we'll fix it.
Which should you pick?
KopiaLens vs KopiaUI
Pick KopiaLens for real folder sizes, search across every snapshot and cleaning junk out of old backups.
Pick KopiaUI for the official app from the Kopia project.
KopiaLens vs kopia command line
Pick KopiaLens for seeing your repository instead of reading raw stats, and cleanup with a preview.
Pick kopia command line for scripts, servers and every command Kopia has.
KopiaLens vs BlinkDisk
Pick KopiaLens for seeing what fills your backups and clearing it out, on any Kopia repository.
Pick BlinkDisk for the simplest setup, with managed cloud storage.
KopiaLens vs Replicaro
Pick KopiaLens for real folder sizes, search across every snapshot and guided cleanup, on the same Kopia engine.
Pick Replicaro for one simple app for restic or Kopia, with Dropbox and Google Drive built in.
KopiaLens vs Duplicati
Pick KopiaLens for seeing what fills your backups and clearing it out with a preview.
Pick Duplicati for Microsoft 365 backups and the most storage types.
KopiaLens vs UrBackup
Pick KopiaLens for one app on each machine, with real folder sizes and guided cleanup.
Pick UrBackup for backing up many machines from one server, plus whole-drive images.
KopiaLens vs Duplicacy
Pick KopiaLens for a free backup app with real folder sizes and guided cleanup.
Pick Duplicacy for many machines backing up to one place at the same time.
KopiaLens vs restic
Pick KopiaLens for a desktop app with real folder sizes and guided cleanup.
Pick restic for scripts and a large ecosystem of tools.
KopiaLens vs Backrest
Pick KopiaLens for real folder sizes, cleanup inside old backups and a desktop app.
Pick Backrest for a web interface for restic on a headless server.
KopiaLens vs Borg
Pick KopiaLens for Windows support, real folder sizes and cleanup with a preview.
Pick Borg for a long track record and append-only repositories.
KopiaLens vs Arq
Pick KopiaLens for a free backup app that shows what's inside and cleans it up.
Pick Arq for a polished Mac app with vendor support.
KopiaLens vs Synology Hyper Backup
Pick KopiaLens for one backup for your NAS and your computers, with a view inside it.
Pick Synology Hyper Backup for zero-setup backup built into your Synology.