🆚 Outlook on the web vs. RainLoop
- 📈 Outlook on the web is four times more popular than RainLoop.
- 🌎 Outlook on the web is more popular in the United States, China, and Germany.
- 🌍 RainLoop is more popular in Hungary, Ukraine, and the Netherlands.
Statistics based on 3.3M+ analyzed websites. About this data
Outlook on the webType
Webmail software
Webmail software
About
Outlook on the web is a web-based app included in 
Microsoft 365 that allows users to access their email, calendar, and contacts.
RainLoop is an open-source, web-based email client that is no longer being maintained.
Headquarters
Redmond, Washington, United States
Pricing
Free ✔️Open source
Popularity
Determined by the number of sites using each technology.
The Outlook on the web webmail software is 4 times more popular than RainLoop.
Total websites
Market share
Webmail
Popularity by country
Determined by the number of sites detected from each country.
Outlook on the web is more popular in the United States, China, and Germany, while RainLoop is more popular in Hungary, Ukraine, and the Netherlands.
United States
China
Germany
France
Canada
Hong Kong
United Kingdom
Russia
Brazil
Sweden
Popularity by domain category
Determined by the number of sites in each category.
Outlook on the web is more popular than RainLoop in all market segments.
Business
Web Mail
Travel
Technical/Business Forums
Portal Sites
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Roundcube
SnappyMail🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.