# Zen Browser vs Vivaldi

Published January 1, 2026 · Updated August 10, 2026

Zen Browser is the top pick for most Mac users looking at Browsers. It is free and installs in one Homebrew command. Vivaldi is the stronger choice if you are moving off Spark Premium. As of October 2026, both install with brew install --cask zen and brew install --cask vivaldi.

Vivaldi takes a narrow win as the more complete power suite for Mac users who want one Chromium browser that replaces several apps. Workspaces, tiling, Mail, Calendar, Feeds, auto-hide UI and Chrome Web Store support were refined steadily through the Vivaldi 7 line on Tahoe 26. Zen is the more open and lighter Arc style choice, with Workspaces, Compact Mode and Mods and no cost. For Arc refugees and Firefox extension users Zen remains the better daily driver.

## Head to head

| Factor | Zen Browser | Vivaldi |
| --- | --- | --- |
| Price | Free | Free |
| Open Source | No | No |
| Replaces | SigmaOS ($15/month) | Spark Premium ($10/month) |
| Best for | browser, privacy, open source | browser, chromium, customizable |
| Install | brew install --cask zen | brew install --cask vivaldi |
| Category | Web Browsers | Web Browsers |

## Zen Browser

Open-source, privacy-focused Firefox-based browser with a beautiful sidebar and tab management.

Install: `brew install --cask zen`

[Zen Browser on Bundl](https://bundl.run/apps/zen-browser)

## Vivaldi

Web browser with built-in email client focusing on customization and control

Install: `brew install --cask vivaldi`

[Vivaldi on Bundl](https://bundl.run/apps/vivaldi)

## Features

- **Engine & monoculture stance.** Choose Zen if avoiding Chromium matters to you. Choose Vivaldi if you need Chromium site fidelity and Chrome extensions.
- **Tab & workspace organisation.** Both handle workspaces well. Zen feels lighter. Vivaldi feels more adjustable.
- **Built-in productivity suite.** Vivaldi is the suite. Zen stays browser only by design.
- **Customisation.** Zen is quicker minimal custom work. Vivaldi goes deeper for tinkerers.
- **Extensions & compatibility.** Vivaldi for Chrome extension dependent work and web app testing.
- **Performance & battery on Mac.** Both run well on Tahoe 26 and Apple Silicon. Vivaldi 7.9 auto-hide and Zen compact mode reach similar focus in different ways.
- **AI assistance.** Neither leads on built-in AI. Decide on engine, suite and feel instead.
- **Privacy, price & openness.** Zen for purest openness and donation model. Vivaldi is free and independent without being donor funded.

## FAQ

### Is Zen Browser or Vivaldi more private?

Zen inherits Firefox privacy posture with open source builds and donor funded governance and no Chromium data surface. Vivaldi adds strong blocking and skips Google account requirements but still runs on Chromium. For pure non Chromium privacy Zen is stronger. For private browsing that stays on Chromium, Vivaldi is solid without extra extensions.

### Can I use Chrome extensions in Zen Browser?

No. Zen uses Firefox Add-ons. Most popular extensions have Firefox versions but Chrome only extensions need a Chromium browser such as Vivaldi or Brave. That is one reason many power users keep both engines installed.

### Does Vivaldi's built-in Mail and Calendar replace Apple Mail?

For many people yes. Vivaldi Mail handles IMAP, Calendar handles CalDAV and Feeds handles RSS inside the browser, so you consolidate clients. If you live in Apple Mail, Calendar or Gmail web views, Vivaldi can still cut app switching while Zen users keep their existing mail app.

### Which browser feels more like Arc?

Zen. Workspaces, vertical tabs, Compact Mode and Glance were built to bring Arc style calm to a Firefox base. Vivaldi is more maximal and adjustable, with deeper tiling and stacking but busier chrome until you turn on auto-hide.

### Are both browsers free?

Yes. Both are free on macOS Tahoe 26 with no premium browser tier. Zen runs on donations as open source. Vivaldi is funded through search deals and optional services. Neither puts Workspaces, vertical tabs or customisation behind payment.

### Do both support macOS Tahoe 26 and Apple Silicon?

Yes. Both ship native Apple Silicon and Intel builds notarised for Tahoe 26. Zen installs as zen-browser and Vivaldi as vivaldi through Homebrew or from the official disk images. Both ship regular security fixes.

### Which browser is better for heavy customisation?

Vivaldi if you enjoy controls for every panel, toolbar, gesture and command chain. Zen is good for quicker community Mods and Compact Mode but covers less total surface than Vivaldi settings.

### Is there any AI assistant in either browser?

Neither ships a dedicated assistant in the style of Brave Leo or Edge Copilot. Both keep the focus on browsing and on Vivaldi side the productivity suite. AI work goes through web tools or extensions when you need it.

### Should I install both?

Many power users do. Use Zen as the light, open source, non Chromium daily browser and keep Vivaldi as the Chromium suite for Chrome specific sites, built-in Mail and Calendar and extension coverage. Together they cover both Firefox and Chromium on Mac.

### How do I migrate between Zen and Vivaldi?

Export bookmarks, passwords, notes and for Vivaldi feeds. Install the other browser, rebuild Workspaces and vertical tabs, move extensions to the other store and reset gestures or Mods. Mail does not move automatically, you re-add IMAP accounts in Vivaldi if you use its suite.

## Sources

- [Zen Browser - Official site](https://zen-browser.app/)
- [Zen Browser 1.21.9b Ships With Firefox 153.0 and a 44-CVE Security Patch](https://www.linuxcompatible.org/story/zen-browser-1219b-ships-with-firefox-1530-and-a-44cve-security-patch/)
- [Zen Browser 1.21.10b Linux Release: Firefox 153.0.1 Fix Brings Workspace Polish](https://www.linuxcompatible.org/story/zen-browser-12110b-linux-release-firefox-15301-fix-brings-workspace-polish-and-performance-tweaks/)
- [Zen Browser - Desktop releases on GitHub](https://github.com/zen-browser/desktop/releases)
- [Vivaldi Browser - Official site](https://vivaldi.com/)
- [Vivaldi Browser - Features overview](https://vivaldi.com/features/)
- [Vivaldi 7.9 for Desktop Adds Auto-Hide UI for Distraction-Free Browsing](https://www.macrumors.com/2026/03/19/vivaldi-7-9-desktop-auto-hide-ui-browsing/)
- [Vivaldi Blog - Release notes](https://vivaldi.com/blog/)

## Related

- [Zen Browser vs Firefox](https://bundl.run/compare/zen-browser-vs-firefox)
- [Arc vs Zen Browser](https://bundl.run/compare/arc-vs-zen-browser)
- [Zen Browser vs Brave](https://bundl.run/compare/zen-browser-vs-brave-browser)
- [Vivaldi vs Opera](https://bundl.run/compare/vivaldi-vs-opera)
- [Vivaldi vs Firefox](https://bundl.run/compare/vivaldi-vs-firefox)
- [Arc vs Vivaldi](https://bundl.run/compare/arc-vs-vivaldi)
- [Brave vs Vivaldi](https://bundl.run/compare/brave-browser-vs-vivaldi)

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