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Head-to-head · File Sync Software

Seafile vs QNAP Qsync

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Seafile #1 in File Sync Software 9.3/10 Free plan Free plan✓ 0 of 2 features Visit Seafile
QNAP Qsync #7 in File Sync Software 8.6/10 Free plan Free plan✓ 1 of 2 features Visit QNAP

Seafile leads on 0 checks, QNAP Qsync on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSeafile · 9.3/10
  • Free planboth
  • Most featuresQNAP Qsync · 1 of 2

Seafile scores higher on our rubric for file sync software: 9.3 against 8.6 out of 10; our editors rank them #1 and #7.

Seafile is the better fit for teams wanting mature, open-source file sync. QNAP Qsync is the better fit for QNAP NAS users syncing linked devices.

  • Seafile fits best

    Teams wanting mature, open-source file sync

  • QNAP Qsync fits best

    QNAP NAS users syncing linked devices

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Side by side

Feature Seafile 9.3/10 Visit ↗ QNAP Qsync 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #1 in File Sync Software #7 in File Sync Software
Best for Teams wanting mature, open-source file sync QNAP NAS users syncing linked devices
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted, Desktop, Mobile Self-hosted, Desktop, Mobile, Cloud
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Email, Community, Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Seafile 0/2 · QNAP Qsync 1/2
Selective sync Not checked yet ✓ (best)
Encryption at rest Not checked yet Not checked yet
Specs
Sync method Not checked yet Cloud
Supported platforms Not checked yet Windows, macOS, Ubuntu, Android, iOS
Version history Not checked yet Not checked yet
Max file size Not checked yet Not checked yet
Our review
Pros
  • Sync files across Windows, macOS, Linux, iOS, and Android.
  • Virtual-drive access avoids syncing files locally.
  • Encrypted libraries, version restoration, and granular folder permissions.
  • Real-time, one-way, two-way, offline, selective, and space-saving sync
  • Version recovery, backup jobs, team folders, and permission-based sharing
  • Desktop and mobile support across Windows, macOS, Linux, iOS, and Android
Cons
  • Community Edition requires self-hosted deployment.
  • Client-side encryption does not cover filenames or other metadata.
  • Professional Edition pricing is annual for listed team-size tiers.
  • Requires a QNAP NAS running Qsync Central
  • Not a standalone hosted storage service
  • Support is provided through documentation channels
Our verdict

Seafile combines file hosting and synchronization with sharing, collaboration, and administrative features. Its Community Edition is free, open source, and self-hosted, making it a fit for individuals and teams that want control over…

Read the review →

QNAP Qsync is a file synchronization and backup service that turns a QNAP NAS into a private cloud. Qsync Central runs on the NAS, Qsync Client handles desktop synchronization, and Qsync Pro or Qfile Pro provides mobile access. It is…

Read the review →
  1. SeafileFile Sync Software 9.3Free plan
  2. QNAP QsyncFile Sync Software 8.6Free plan

Strengths and trade-offs

  • Seafile — where it wins

    • Sync files across Windows, macOS, Linux, iOS, and Android.
    • Virtual-drive access avoids syncing files locally.
    • Encrypted libraries, version restoration, and granular folder permissions.

    Where it doesn't

    • Community Edition requires self-hosted deployment.
    • Client-side encryption does not cover filenames or other metadata.
    • Professional Edition pricing is annual for listed team-size tiers.

  • QNAP Qsync — where it wins

    • Real-time, one-way, two-way, offline, selective, and space-saving sync
    • Version recovery, backup jobs, team folders, and permission-based sharing
    • Desktop and mobile support across Windows, macOS, Linux, iOS, and Android

    Where it doesn't

    • Requires a QNAP NAS running Qsync Central
    • Not a standalone hosted storage service
    • Support is provided through documentation channels
  • Seafile9.3/10 · Free plan

    A self-hosted sync platform with virtual-drive access, sharing controls, and encrypted libraries.

    Visit SeafileFull verdict →
  • QNAP Qsync8.6/10 · Free plan

    A free, QNAP-centered sync service with flexible modes, version recovery, and mobile access.

    Visit QNAPFull verdict →

More comparisons

All file sync software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update