Zen Browser vs Vivaldi: catalog facts
 Zen Browser |  Vivaldi |
|---|
|
Free Free and open source, funded by donations. |
Free Free, funded by default search engine and bookmark placement deals. |
|
Windows, macOS, Linux |
Windows, macOS, Linux, Android, iOS |
- Vertical tabs, workspaces and split view built in, no extensions needed
- Firefox engine, so Firefox extensions and containers work
|
- Tab stacking, tiling and vertical tabs without a single extension
- Built-in mail, calendar and feed reader in a side panel
|
- Young project; interface changes between releases and bugs surface
- A small team maintaining a Firefox fork is a real long-term risk
|
- Not open source; only the modified Chromium parts are published
- The sheer number of settings takes real time to work through
|
|
Downloadable app |
Downloadable app |
|
Open source |
Closed source |
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License: MPL-2.0 |
License not stated |
|
No account needed |
No account needed |
|
Needs internet |
Needs internet |
Checked September 21, 2026 | Checked September 21, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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