HyperComments
3,002 websites

HyperComments offers both free and paid options

https://www.hypercomments.com/

Hypercomments allow realtime commenting on a word or selected text fragment.

VS

Opinary
374 websites

Opinary costs money

http://opinary.com/en/

Opinary makes content come alive. Its technology gives users orientation by intuitively visualizing opinions. For publishers and brands, Opinary creates unrivaled interaction, insight and conversions on top of relevant content.

Market Share by Top Websites

1 HyperComments is leading in Top 1M Sites and The Entire Web.

2 Opinary is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 HyperComments has better usage coverage in more websites categories. Including Computers Electronics & Technology, News & Media, Arts & Entertainment, Lifestyle and 19 other categories.

2 Opinary hasn't got a lead over HyperComments in any websites category.

Geography

1 HyperComments is leading in most countries, including Russia, Ukraine, United States, India and 89 other countries.

2 Opinary is leading in Germany, Switzerland and Ireland.