Side by side
Checkly vs Site24x7 Website Monitoring
Both stand on internet performance monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxWeb
Checkly combines uptime monitors, browser-based checks, and scheduled Playwright suites with a code-oriented workflow. The free Hobby plan has monthly run caps; paid plans start with Starter at $24 a month.
Visit Checkly Free plan AndroidAPIiPhone+3
Site24x7 combines availability checks with content monitoring, integrations, and additional monitoring types. Its free plan and Web Uptime plan have distinct resource, polling, and support limits.
Visit Site24x7 Website MonitoringThe facts
| Checkly | Site24x7 Website Monitoring | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Web | Android, API, iPhone, Linux, Web, Windows |
| Lowest paid plan | Starter: $24 a month | Web Uptime: $9 a month |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | checklyhq.com | site24x7.com |
| On internet performance monitoring software | #4 of 30 | #8 of 30 |
Checkly: what it does well
- Monitors eight listed uptime check types.
- Browser checks simulate user interactions.
- Runs full Playwright suites as scheduled monitors.
- CLI deploys monitors from a terminal.
- Free plan includes API and browser check runs.
What to know first
- Hobby caps API runs at 10,000 monthly.
- Hobby caps Browser Check runs at 1,000 monthly.
- Enterprise pricing is custom and not listed.
- Enterprise-only support includes 24x7 phone escalation.
Site24x7 Website Monitoring: what it does well
- Checks HTTP, HTTPS, IPv4, and IPv6 uptime.
- Rechecks across locations before alerting.
- Keyword checks flag missing or unexpected page content.
- No agent installation or code is required for setup.
- Free plan covers up to 50 resources.
What to know first
- Web Uptime polls at one-minute intervals.
- Web Uptime includes 25 websites.
- Web Uptime support is by email.
Alternatives to Checkly Alternatives to Site24x7 Website Monitoring The whole list