Compare Firefox Focus browser to Mercury browser

Firefox Focus Mercury
Development Status Active Discontinued
Operating Systems Android, iOS
Android, iOS
Year Started 2015 2012
Year Ended 2015
Manufacturer Mozilla Foundation iLegendSoft
Rendering Engine Gecko Unknown
AdBlock Native Unknown Unknown
Extensions support Unknown Unknown
Built-in VPN?
License Currently unknown Currently unknown
Wikipedia Page Firefox Focus on Wikipedia Mercury on Wikipedia
Device Platforms Mobile Mobile
Public Source Code? No No
Website www.mozilla.org/en-US/firefox/browsers/mobile/focus/ web.archive.org/web/20190214215837/mercury-browser.com