Compare Free & Professional

Feature Free account Professional account
Monitoring interval 60 min 1 to 60 min (selectable)
Multiple monitoring locations Yes Yes
Server test Ping, HTTP (limited to port 80) Ping, HTTP, HTTPS, FTP, SSH, SMTP, DNS, POP3, IMAP, MySQL, any custom TCP ports.
Website test Yes (limited to HTTP port 80) Yes, supports HTTPS, custom port, query string, POST, authentication, required & excluded keywords
Email contact 1 Unlimited, configurable based on time-of-day & duration of downtime
SMS contact No Unlimited, per message fee of GBP £0.20 applies
Advanced notification options No Notification templates, and various advanced options
Maintenance scheduling No Yes
Uptime statistics & reports Yes Yes
Performance statistics retention 60 days Lifetime
Public report Yes, no customization, no RSS Yes, customizable, RSS available
Participate in Uptime Ranking No Yes
Recommended for Personal websites Business websites
Cost Free! Monitoring: from GBP £1.80/month
SMS notification: GBP £0.20/SMS

When you first sign up, you are automatically given 14-days free trial of Professional. At the end of the trial, your account will be downgraded to the Free version (features exclusive to Professional will be removed) or you may upgrade to Professional to enjoy uninterrupted monitoring.