Side by side
Checkly vs Site24x7 Synthetic Monitoring
Both stand on synthetic monitoring. 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 AndroidAPIExtension+6
Site24x7 Synthetic Monitoring combines browser transaction recording with diagnostics and global execution locations. The 20-step recording limit and add-on run pricing are worth considering for the workflows you plan to monitor.
Visit Site24x7 Synthetic MonitoringThe facts
| Checkly | Site24x7 Synthetic Monitoring | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Web | Android, API, Extension, iPhone, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Starter: $24 a month | Synthetic transactions (Professional add-on): $8 a month |
| Plans published | 4 | 2 |
| Maker | Not published | Not published |
| Website | checklyhq.com | site24x7.com |
| On synthetic monitoring | #3 of 39 | #8 of 39 |
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 Synthetic Monitoring: what it does well
- Records transactions without code.
- Runs recorded checks from more than 130 locations.
- Provides step timings, screenshots, and resource waterfalls.
- Intelligent Capture updates scripts when interactive page elements change.
- 30-day trial requires no credit card.
What to know first
- Recording is limited to 20 steps with an advanced license.
- Synthetic transaction add-ons are priced by monthly run allowance.
- A fully functional trial lasts 30 days.
Alternatives to Checkly Alternatives to Site24x7 Synthetic Monitoring The whole list