Outlook Web App vs RoundCube

RoundCube is the more common of the two in our index: it runs on 9 websites against 7 for Outlook Web App. Counts come from real scans, not vendor claims.

Outlook Web App: 7
RoundCube: 9

Outlook Web App

Outlook on the web is an information manager web app. It includes a web-based email client, a calendar tool, a contact manager, and a task manager.

Indexed sites: 7
Share of Webmail: 0%

Well-known sites using it

live.com15.21.451.23
hotmail.com15.21.451.23
gap-rs.ru15.1.2507
outlook.de15.21.451.23
univh2c.ma15.2.1748
bingner.com15.1.2507

All 7 sites

RoundCube

RoundCube is free and open-source web-based IMAP email client.

Indexed sites: 9
Share of Webmail: 0%

Well-known sites using it

otenet.gr
beget.email
dhakacom.com
san.ru
serviciodecorreo.es
iol.ie

All 9 sites

Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.