🆚 Outlook on the web vs. Roundcube

Compare technologies based on real-world usage data *

Type

Webmail software solution
Webmail software solution

About

Outlook on the web is a web-based app included in Microsoft 365 that allows users to access their email, calendar, and contacts.

Roundcube webmail is a browser-based multilingual IMAP client.

Headquarters

Redmond, Washington, United States

Website

Pricing

Free version ✔️Open source
Roundcube for EnterprisesCustom

Categories

Webmail › Rank #2
Webmail › Rank #1

Popularity

Determined by the number of sites using each technology.

The Roundcube webmail software solution is 4 times more popular than Outlook on the web.
Total websites

Market share

Webmail

Popularity by country

Determined by the number of sites detected from each country.

Roundcube is more popular in Germany, Poland, and Russia, while Outlook on the web is more popular in the United States, Portugal, and Algeria.
United States
Germany
Poland
Russia
United Kingdom
Ukraine
China
Spain
Netherlands
Hungary

Awards

Popularity by domain category

Determined by the number of sites in each category.

Roundcube is more popular than Outlook on the web in all market segments.
Web Mail
Internet Services
Business
Travel
Technical/Business Forums
Marketing/Merchandising
Online Shopping
Public Information
Education/Reference
Health

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#75,393
View more ➝
Name
Rank
#19,964
#32,907
#42,375
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.