Market Share by Top Websites

1 CallRail is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Callback Killer is clearly lagging behind, losing to CallRail in all segments.

Websites Categories

1 CallRail has better usage coverage in more websites categories. Including Health, Vehicles, Business & Consumer Services, Heavy Industry & Engineering and 20 other categories.

2 Callback Killer hasn't got a lead over CallRail in any websites category.


1 CallRail is leading in most countries, including United States, Canada, India, United Kingdom and 140 other countries.

2 Callback Killer is leading in Russia, Belarus, Kazakhstan and Kyrgyzstan.