Sentry provides real-time crash reporting for your web apps, mobile apps, and games.
CanJS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Sentry is clearly lagging behind, losing to CanJS in all segments.
CanJS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Travel & Tourism, Science & Education, News & Media and 20 other categories.
Sentry hasn't got a lead over CanJS in any websites category.
CanJS is leading in most countries, including Italy, United States, China, Germany and 128 other countries.
Sentry is leading in Poland, Slovakia, Croatia and Senegal.