Bitrix24
105,087 websites

Bitrix24 offers both free and paid options

https://www.bitrix24.com/index.php

Bitrix24 is a suite of social collaboration, communication and management tools.

VS

Delta Projects
6,941 websites

Delta Projects costs money

http://www.deltaprojects.com/

Delta Projects AB provides digital marketing solutions for audience based campaigns, insights, and real-time adjusted bidding strategies.

Market Share by Top Websites

1 Bitrix24 is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Delta Projects is leading in Top 10K Sites.

Websites Categories

1 Bitrix24 has better usage coverage in more websites categories. Including Heavy Industry & Engineering, Vehicles, Computers Electronics & Technology, Home & Garden and 17 other categories.

2 Delta Projects is leading in Games, Gambling and Reference Materials.

Geography

1 Bitrix24 is leading in most countries, including Russia, Belarus, Ukraine, Kazakhstan and 90 other countries.

2 Delta Projects is leading in Japan, United States, Taiwan, Norway and 36 other countries.