Sailthru Horizon
316 websites

Sailthru Horizon is free to use

http://getstarted.sailthru.com/

Third, enter your full Horizon subdomain, i.e. horizon.yourdomain.com, under the "Horizon Subdomain" field in your Sailthru account settings.

VS

Vertical Leap
0 websites

Vertical Leap offers both free and paid options

http://www.verticalleap.co.uk/

We’re passionate about delivering great results for our customers. The company was founded in 2001 on the principles of effective, transparent and honest services delivered for a fair, fixed price. We’re happy to report this hasn’t changed!...

Market Share by Top Websites

2 Sailthru Horizon is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Sailthru Horizon has better usage coverage in more websites categories. Including News & Media, Food & Drink, Arts & Entertainment, Travel & Tourism and 20 other categories.

2 Vertical Leap hasn't got a lead over Sailthru Horizon in any websites category.

Geography

1 Sailthru Horizon is leading in most countries, including United States, United Kingdom, Canada, Hungary and 29 other countries.

2 Vertical Leap hasn't got a lead over Sailthru Horizon in any country.