Compare
Kort vs Waterfox
Waterfox is an independent Firefox fork from the UK. It has a built-in ad blocker on the desktop and says it has no AI.
Kort adds 8 things
you don't get in Waterfox.
Apple's WebKit engineYesNo
- Kort:
- WebKit, Apple's engine (the same as Safari)
- Waterfox:
- Gecko (Firefox) Source, 2026-11-01
Ad blocker, built in and onYesYes
- Kort:
- Built in and on by default. Blocked inside WebKit before the request is sent. No extension needed
- Waterfox:
- Built-in ad blocker on the desktop, on by default Source, 2026-11-01
Cookie pop-ups answeredYesNot confirmed
- Kort:
- Answered for you: "Reject all" or "Only necessary", or hidden
- Waterfox:
- Not confirmed. Last seen: Not confirmed Source, 2026-11-01
No usage data sentYesYes
- Kort:
- None. Crash reports only if you choose to e-mail them
- Waterfox:
- No data collection, per its site Source, 2026-11-01
No account neededYesNot confirmed
- Kort:
- None. No sign-in
- Waterfox:
- Not confirmed. Last seen: Not required Source, 2026-11-01
No AI in the browserYesYes
- Kort:
- No AI. Google's AI Overviews hidden by default
- Waterfox:
- No AI Source, 2025-12-18
Vertical tabs and SpacesYesNot confirmed
- Kort:
- Vertical sidebar, Spaces, split view with up to four pages on Mac
- Waterfox:
- Not confirmed. Last seen: Firefox vertical tabs Source, 2026-11-01
iPhone and iPad appComingNo
- Kort:
- Mac. iPhone and iPad coming to the App Store
- Waterfox:
- Mac, Windows, Linux, Android Source, 2026-11-01
Made in the EUYesNo
- Kort:
- Made in the EU
- Waterfox:
- BrowserWorks Ltd, United Kingdom Source, 2026-11-01
- Yes
- Partly or opt-in
- No
- Not confirmed
- Coming
What Kort adds
- YesApple's WebKit, the engine in Safari
- YesNative Mac app, written in Swift
- YesVertical tabs and colored Spaces
- YesCookie pop-ups answered for you
- YesAI Overviews hidden in search
- YesSplit View, up to four pages
- YesPay once, no subscription
- YesImport from Waterfox in one step
- ComingiPhone and iPad appComing
Both Kort and Waterfox
- Built-in ad blocker
- No usage data
- No AI
- A European maker
Kort
5 €$5£4.99CHF 559 kr59 kr39 kr22,99 zł129 Kč2 490 Ft
Once. No subscription, no ads.
Waterfox
Free
Search partnerships, optional private search subscription
Switching from Waterfox
One step brings over your bookmarks, history and open tabs.
Questions
Waterfox also has no AI. What differs?
Waterfox is a Firefox fork for many platforms. Kort is built on WebKit for Mac, iPhone and iPad, with a sidebar and Spaces.
Every fact, word for wordChecked 2026-11-01
| Kort | Waterfox | |
|---|---|---|
| Engine on Mac | WebKit, Apple's engine (the same as Safari) | Gecko (Firefox) |
| Platforms | Mac. iPhone and iPad coming to the App Store | Mac, Windows, Linux, Android |
| Made by | Made in the EU | BrowserWorks Ltd, United Kingdom |
| Price and business model | 5 €$5£4.99CHF 559 kr59 kr39 kr22,99 zł129 Kč2 490 Ft once, no subscription. One license per iCloud account. | Free. Search partnerships, optional private search subscription |
| Ad and tracker blocking | Built in and on by default. Blocked inside WebKit before the request is sent. No extension needed | Built-in ad blocker on the desktop, on by default |
| Cookie pop-ups | Answered for you: "Reject all" or "Only necessary", or hidden | Not confirmed. Last seen: Not confirmed |
| Usage data | None. Crash reports only if you choose to e-mail them | No data collection, per its site |
| Account | None. No sign-in | Not confirmed. Last seen: Not required |
| AI features | No AI. Google's AI Overviews hidden by default | No AI |
| Vertical tabs and spaces | Vertical sidebar, Spaces, split view with up to four pages on Mac | Not confirmed. Last seen: Firefox vertical tabs |
Facts about Waterfox checked on 2026-11-01.
Sources2 links
- waterfox.comas of 2026-11-01
- theregister.com/2025/12/18/firefox_no_ai_alternative_waterfoxas of 2025-12-18
We describe other browsers from their own pages, help centers, app store listings and press coverage. Products change. If something here is out of date, write to us and we will fix it.
Other comparisons
Try Kort on your Mac
5 €$5£4.99CHF 559 kr59 kr39 kr22,99 zł129 Kč2 490 Ft, once. No subscription. macOS 15.4 or later. iPhone and iPad: coming to the app store.
Direct file: /download/Kort.dmg